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APRS is a registered trademark Bob Bruninga, WB4APR 1 APRS.org APRS Summary May 2011 Jan 2011 Maps – Mobiles - Users Human to human info exchange!APRStt.

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Presentation on theme: "APRS is a registered trademark Bob Bruninga, WB4APR 1 APRS.org APRS Summary May 2011 Jan 2011 Maps – Mobiles - Users Human to human info exchange!APRStt."— Presentation transcript:

1 APRS is a registered trademark Bob Bruninga, WB4APR 1 APRS.org APRS Summary May 2011 Jan 2011 Maps – Mobiles - Users Human to human info exchange!APRStt !!! Appalachian Trail Golden Packet Event

2 APRS is a registered trademark Bob Bruninga, WB4APR 2 APRS Jan 2011 Human to human info exchange! Single channel info-resource! Universal Ham Radio Text Messaging Initiative aprs.org/aprs-messaging.html National Trail Golden Packet Event (24 July 2011) aprs.org/at-golden-packet.html APRStt (Touchtone for any HT) !!! aprs.org/aprstt.html APRS-RFID! aprs.org/aprs-rfid.html A-Star Nodes! (universal voice network) aprs.org/avrs.html

3 APRS is a registered trademark Bob Bruninga, WB4APR 3 Universal Ham Radio Text Messaging Initiative 2010 DTMF APRS wireless cell 26 separate systems! Send/RX anytime, anywhere, any device by callsign

4 APRS is a registered trademark Bob Bruninga, WB4APR 4 Universal Texting – New Radios! 2011 TH-D72A VX-8R & VX-8DR All now come with GPS BUILT-IN! VX-8GR FTM-350R

5 APRS is a registered trademark Bob Bruninga, WB4APR 5 OLPC -One Laptop Per Child $100 laptop per 3rd world kid $100 laptop per 3rd world kid Low power, no moving parts Low power, no moving parts High power WI-FI and MESH net High power WI-FI and MESH net Runs Linux Runs Linux Sound Card to DC, volts, Oscope Sound Card to DC, volts, Oscope Jack, KG4GJYs APRS app: Jack, KG4GJYs APRS app: APRS for ALL Portable Terminals!

6 APRS is a registered trademark Bob Bruninga, WB4APR 6 National Trail Golden Packet Event 26 July July Miles 15 Stations Two HOP7-7 paths Golden Packets end-to-end Omni Antennas aprs.org/at-golden-packet.html Others can Monitor!

7 APRS is a registered trademark Bob Bruninga, WB4APR 7 Appalachian Trail Golden Packet

8 APRS is a registered trademark Bob Bruninga, WB4APR 8 Appalachian Trail Golden Packet

9 APRS is a registered trademark Bob Bruninga, WB4APR 9 Using Google Earth for Links 50,000 miles of national linear trails!

10 APRS is a registered trademark Bob Bruninga, WB4APR 10 Appalachian Trail Golden Packet KX4O John Huggins Complete RF Link Analysis!

11 APRS is a registered trademark Bob Bruninga, WB4APR 11 Hike Across Maryland (40 miles) Case Study in proper use of APRS and All data/info on MHz. All participants TX on & RX on

12 APRS is a registered trademark Bob Bruninga, WB4APR 12 30% of TX packets captured 97% of packets captured Triple the Performance using +600 On the digi input only hears the 20 event participants On a digi input hears over 300 users in 5 states (10 times the QRM).

13 APRS is a registered trademark Bob Bruninga, WB4APR 13 Hike Across Maryland (40 miles) Location/time of over 100 runners reported by APRS messages. Hams (youth < 23) agreed it was as easy as Texting or Tweeting.

14 APRS is a registered trademark Bob Bruninga, WB4APR 14 What is APRS? But others want COMMUNICATIONS! But others want COMMUNICATIONS! Not just GPS Vehicle Tracking! Not just GPS Vehicle Tracking! Some think it is for GPS Some think it is for GPS Some want the best Maps! Some want the best Maps! Can you see APRS Stations? No! Can you see APRS network? No!

15 APRS is a registered trademark Bob Bruninga, WB4APR 15 What is APRS? APRS = Automatic Packet Reporting System (not position tracking!) APRS = Automatic Packet Reporting System (not position tracking!) APRS since late 1980's was for local tactical digital communications, situational awareness and TWO-WAY information exchange APRS since late 1980's was for local tactical digital communications, situational awareness and TWO-WAY information exchange Messages + maps for OBJECTS – everyone sees the same situation and Network Connectivity Messages + maps for OBJECTS – everyone sees the same situation and Network Connectivity A single Reference Resource for all HAM activities A single Reference Resource for all HAM activities Not just GPS Vehicle Tracking! Not just GPS Vehicle Tracking!

16 APRS is a registered trademark Bob Bruninga, WB4APR 16 Aa The APRS Network Information exchange between everyone Multiple Hops And to the Internet Gateway Digipeaters

17 APRS is a registered trademark Bob Bruninga, WB4APR 17 Global Mobile/HT Position and Texting Connectivity

18 APRS is a registered trademark Bob Bruninga, WB4APR 18 Seeing the Network (PHG data shows relative station performance) 50 mi

19 APRS is a registered trademark Bob Bruninga, WB4APR 19 Seeing the Situation (Symbol Atributes)

20 APRS is a registered trademark Bob Bruninga, WB4APR 20 Symbol Atributes The original Overlayable Symbols Since April 2007, all alternate symbols may now have overlays Note, some popular aprs programs do not display ANY of these 11 attributes on any map! They show meaningless ICONS instead

21 APRS is a registered trademark Bob Bruninga, WB4APR 21 Findu.com Internet Interface Internet tracking developed by Steve Demise – K4HG and Sproul Brothers Also: APRS-fi.com OpenAPRS.net

22 APRS is a registered trademark Bob Bruninga, WB4APR 22 APRS-Internet (APRS-IS) Google for USNA Buoy Select USNA-1 This data is LIVE Pcsat.aprs.org & situational awareness

23 APRS is a registered trademark Bob Bruninga, WB4APR 23 APRS-IS (FINDU – Near) Google for USNA Buoy Select USNA-1 * Click to see all stations on map

24 APRS is a registered trademark Bob Bruninga, WB4APR 24 FINDU.COM ( click to see all stations on map ) Google for USNA Buoy Select USNA-1 40 miles Also: APRS.fi OAPRS.net Etc…

25 APRS is a registered trademark Bob Bruninga, WB4APR 25 APRS-FI (anyone can see APRS) Google for USNA Buoy Select USNA-1

26 APRS is a registered trademark Bob Bruninga, WB4APR 26 APRS-IS (FINDU - Messages) Google for USNA Buoy Select USNA-1 Also: APRS.fi OAPRS.net Etc…

27 APRS is a registered trademark Bob Bruninga, WB4APR 27 Findu.com Weather Data Temperature & Dew Point Rainfall Rates

28 APRS is a registered trademark Bob Bruninga, WB4APR 28 What is APRS all about? (Humans communicating INFO with Humans) Immediate local digital and graphical information exchange between all participants in a local area or event. This includes: Immediate local digital and graphical information exchange between all participants in a local area or event. This includes: Positions of all stations and objects Positions of all stations and objects Status of all stations Status of all stations Messages, Bulletins and Announcements Messages, Bulletins and Announcements Weather data and telemetry Weather data and telemetry DF bearings and signal strengths for quick transmitter hunting DF bearings and signal strengths for quick transmitter hunting RF Connectivity plots of all stations RF Connectivity plots of all stations Local OBJECTS on a common map display for all users Local OBJECTS on a common map display for all users Local Freqs, IRLP, ECHOlink, Winlink, Nets, Meetings, events, Hamfests Local Freqs, IRLP, ECHOlink, Winlink, Nets, Meetings, events, Hamfests Typical applications are: Typical applications are: Routine local awareness of all ham radio events and assets around you Routine local awareness of all ham radio events and assets around you Marathons, races, events and public service Marathons, races, events and public service Search and rescue Search and rescue Family communications and tracking and one-line s Family communications and tracking and one-line s Mobile-to-mobile global text messaging Mobile-to-mobile global text messaging Weather data exchange and display Weather data exchange and display Efficient multi-user Satellite communications Efficient multi-user Satellite communications

29 APRS is a registered trademark Bob Bruninga, WB4APR 29 Scope of APRS Over 40,000 users worldwide. Over 40,000 users worldwide. RELAYS every mi called digipeaters. RELAYS every mi called digipeaters. All linked by home station Igates All linked by home station Igates Global links by Amateur Satellites Global links by Amateur Satellites Thousands of Weather stations Thousands of Weather stations Telemetry and data everywhere Telemetry and data everywhere But, only 2% of local ham radio users… (a side show)…

30 APRS is a registered trademark Bob Bruninga, WB4APR 30 APRS, Maps, Events and Objects! Dayton Hamvention

31 APRS is a registered trademark Bob Bruninga, WB4APR 31 Various APRS Stations (two-way) APRS is a Network intended for real-time Tactical INFORMATION exchange. This means TWO-WAY. now APRStt

32 APRS is a registered trademark Bob Bruninga, WB4APR 32 TRACKERS (should be two-way) Trackers have no APRS data display. So the receiver should be tuned to a beaconed Voice frequency so the operator can be involved in the Net! One-way trackers are good for non-manned assets at large movement events.. Not as the only APRS asset for a ham. Trackers may be his 2 nd, 3 rd or 4 th unit for APRS support… not his 1 st ! One-way APRS is not normally recommended. APRS is a Network. We want good 2-way communications among all participants for maximum utility.

33 APRS is a registered trademark Bob Bruninga, WB4APR 33 TRACKERS (Now are two-way!) TT4 with $34 display and AVMAP G5 GPS

34 APRS is a registered trademark Bob Bruninga, WB4APR 34 Kenwood TM-D700A Built-in APRS Displays and messaging. Built-in APRS Displays and messaging. Other APRS stations show on attached GPS map Other APRS stations show on attached GPS map Dual band 144/440 MHz 50/35 Watts Dual band 144/440 MHz 50/35 Watts Built-in 1200/9600 bps TNC including digipeater Built-in 1200/9600 bps TNC including digipeater Kenwood D7 Yaesu VX8R TM-D710 Mobile/Portable APRS Terminals Adds operation Freq to every posit ! Adds operation Freq to every posit ! Auto tunes to others with Freq! Auto tunes to others with Freq! Shows local Voice Repeaters ! Shows local Voice Repeaters !

35 APRS is a registered trademark Bob Bruninga, WB4APR 35 APRS on ANY radio! (using the RC-D710) On IC-2820 DSTAR Jeff KB2M RC-D710 DISPLAY APRS channel DSTAR channel Plug-n-play Audio Connection

36 APRS is a registered trademark Bob Bruninga, WB4APR 36 APRS on ANY radio! (using the RC-D710) Attached to an ALINCO HT Simple SPKR/Mic connections NiCd Battery Pack

37 APRS is a registered trademark Bob Bruninga, WB4APR 37 Other APRS radios Alinco DR-135T/EJ-41U Alinco DR-135T/EJ-41U 2 M Radio with optional TNC. 2 M Radio with optional TNC. N1VG Scott makes an OT tracker module N1VG Scott makes an OT tracker module No messaging/data display No messaging/data display But OT adds GPS map display But OT adds GPS map display VX8R available since Dec 08. VX8R available since Dec 08. Has GPS built-into speaker mic Has GPS built-into speaker mic Or HAMHUD on any radio! Or HAMHUD on any radio!

38 APRS is a registered trademark Bob Bruninga, WB4APR 38 APRS MisConceptions! That APRS is just Vehicle Tracking instead of a Real-Time Information Distribution System. That APRS is just Vehicle Tracking instead of a Real-Time Information Distribution System. That APRS is dependent on GPS for its value (GPS is not needed. See Objects). That APRS is dependent on GPS for its value (GPS is not needed. See Objects). Failure to use the APRS built-in Mile-Marks for tracking all other non-APRS mobiles. Failure to use the APRS built-in Mile-Marks for tracking all other non-APRS mobiles. Using APRS clients that only do maps and ignored too many of the APRS fundamentals. Using APRS clients that only do maps and ignored too many of the APRS fundamentals. Ignored the fundamental Decay Algorithm to accelerate new data, and decay old data! Ignored the fundamental Decay Algorithm to accelerate new data, and decay old data! Failure to understand the importance of OBJECTS:. See Objects 101 and Operations Failure to understand the importance of OBJECTS:. See Objects 101 and Operations Failure to use real-time messaging:. See Messages 101 and Message Operations Failure to use real-time messaging:. See Messages 101 and Message Operations Failure to implement the original APRS Centralized Common Bulletin Board concept. Failure to implement the original APRS Centralized Common Bulletin Board concept. Not understanding the APRS operators role as a Data Input (Objects, Bulletins and Messages) Not understanding the APRS operators role as a Data Input (Objects, Bulletins and Messages) Not using the D7 and D700 as data entry and clipboard display units at field events. Not using the D7 and D700 as data entry and clipboard display units at field events. Too much focus on Large Screen Displays –vs- Individual Operator displays for events. Too much focus on Large Screen Displays –vs- Individual Operator displays for events. Failure to display APRS symbols with all their attributes and colors without clicking them Failure to display APRS symbols with all their attributes and colors without clicking them Failure to manage the network by adjusting the local digipeater for the situation at hand. Failure to manage the network by adjusting the local digipeater for the situation at hand. Not realizing the importance of Voice Operating frequencies in APRS. Not realizing the importance of Voice Operating frequencies in APRS. See APRS-tactical.html

39 APRS is a registered trademark Bob Bruninga, WB4APR 39 APRS Growth Opportunities! Global Done! (WU2Z) - Now Universal Text Messaging (any device) Global Done! (WU2Z) - Now Universal Text Messaging (any device) CQSRVR (Global APRS CQs) Done! (AE5PL) CQSRVR (Global APRS CQs) Done! (AE5PL) APRStt (APRS touchtone) – APRS for Every Radio Done! (W4PC of CSSI) APRStt (APRS touchtone) – APRS for Every Radio Done! (W4PC of CSSI) Simple DTMF memory for your Callsign – One Button Send Simple DTMF memory for your Callsign – One Button Send APRStt receiver converts to APRS Position, Time, Frequency and Status! APRStt receiver converts to APRS Position, Time, Frequency and Status! On IRLP nodes, Echolink nodes, some repeaters, anywhere on On IRLP nodes, Echolink nodes, some repeaters, anywhere on AVRS (Automatic Voice Relay System) Global Callsign-to-callsign VOIP AVRS (Automatic Voice Relay System) Global Callsign-to-callsign VOIP Uses APRS message to set up call – APRS knows where you and callee are Uses APRS message to set up call – APRS knows where you and callee are Automatically links to Echolink or IRLP for nearest node and sends to APRS Automatically links to Echolink or IRLP for nearest node and sends to APRS APRS Radio auto-QSYs to make link (= Ham Radio Cell phone from Mobile) (90% D710) APRS Radio auto-QSYs to make link (= Ham Radio Cell phone from Mobile) (90% D710) AI-FI (APRS WIFI) in every laptop AI-FI (APRS WIFI) in every laptop OLPC message client (APRS-XO) and XASTIR (50% …) OLPC message client (APRS-XO) and XASTIR (50% …) Other Systems (View on OpenAPRS, APRS-fi, FINDU) Other Systems (View on OpenAPRS, APRS-fi, FINDU) APRS RFID for ARRL name tags (event locating) APRS RFID for ARRL name tags (event locating)

40 APRS is a registered trademark Bob Bruninga, WB4APR 40 Global Mobile/HT VOICE Connectivity AVRS (www.aprs.org/avrs.html) We can do this now with a little software and some incentive by a good author!

41 APRS is a registered trademark Bob Bruninga, WB4APR 41 Global APRS ! APRS Global Text Messaging since 1993; from HTs since 1998! APRS Global Text Messaging since 1993; from HTs since 1998! Send from any APRS radio anywhere to anyone on the planet, anywhere LIVE. Send from any APRS radio anywhere to anyone on the planet, anywhere LIVE. WU2Z Engine on the APRS-IS gates it to Internet WU2Z Engine on the APRS-IS gates it to Internet Great Demos. Send an to a Blackberry in the audience. Great Demos. Send an to a Blackberry in the audience. To: MSG: ET call New Initiative! New Initiative! Universal Amateur Radio Text Messaging

42 APRS is a registered trademark Bob Bruninga, WB4APR 42 APRS Msgs/ Send/Receive messages or Anywhere on the planet via APRS satellite MSG menu Confirmation of Relay =>

43 APRS is a registered trademark Bob Bruninga, WB4APR 43 APRS Global CQs We needed a CQ System for SCOUTS, JOTA, SATERN, IOTA, SCR and Field Day! We needed a CQ System for SCOUTS, JOTA, SATERN, IOTA, SCR and Field Day! AE5PL responded with CQSRVR AE5PL responded with CQSRVR Allows anyone to send a global message to everyone involved in an XXXXX activity Allows anyone to send a global message to everyone involved in an XXXXX activity Just send a message to CQSRVR starting with CQ XXXX CQ XXXX message Just send a message to CQSRVR starting with CQ XXXX CQ XXXX message Everyone who has sent a similar CQ XXXX message to CQSRVR will get your CQ Everyone who has sent a similar CQ XXXX message to CQSRVR will get your CQ From then on, once you see callsigns, you message normally point-to-point From then on, once you see callsigns, you message normally point-to-point To limit load, only one CQSRVR message per 30 minutes is forwarded. To limit load, only one CQSRVR message per 30 minutes is forwarded. Can also be used any day, any time, anywhere! CQ CQ CQ CQ anyone around? Can also be used any day, any time, anywhere! CQ CQ CQ CQ anyone around? Can also be used for global GROUP comms if 30 minute timer is changed. Can also be used for global GROUP comms if 30 minute timer is changed.

44 APRS is a registered trademark Bob Bruninga, WB4APR 44 For WB4APR, the DTMF Sends:For WB4APR, the DTMF Sends: A9A2B42A7A7C79# This is converted to an APRS packet on the APRS channel as:This is converted to an APRS packet on the APRS channel as: WB4APR-12>APRStt,WIDE1-1:!DDM_.__N/DDDM_.__W$146.58MHz HAMvention Puts you on global map near Hara Arena, with your immediate calling frequency, your Tone and your Echolink node number and that a Hamfest is going on. That is everything you need to be known to the Global APRS system! That is everything you need to be known to the Global APRS system! Exists since 2001 (in DOS w DTMF chip). Now we have a Windows Version! By W4PC Exists since 2001 (in DOS w DTMF chip). Now we have a Windows Version! By W4PC Also Needed in Echolink, IRLP, and some repeater controllers with a serial port! Also Needed in Echolink, IRLP, and some repeater controllers with a serial port! APRStt and therefore 100% situational awareness of any Ham mobile or HT then APRS will always be a side show only used by 10% of any club or organization. APRStt and therefore 100% situational awareness of any Ham mobile or HT then APRS will always be a side show only used by 10% of any club or organization. Other Positions: Other Positions: #B95*234*1D => Milemark #234 on Route 95, northbound See aprs.org/aprstt.html APRStt (Touchtone) (every radio!)

45 APRS is a registered trademark Bob Bruninga, WB4APR 45 Simple DTMF memory - One button puts you in APRS ( Position, Frequency and Status )! Simple DTMF memory - One button puts you in APRS ( Position, Frequency and Status )! DTMF on voice freq translated to packet on APRS channel (or direct to APRS-IS) DTMF on voice freq translated to packet on APRS channel (or direct to APRS-IS) Position is.1 mile LIST on map display adjacent to repeater or FREQ object Position is.1 mile LIST on map display adjacent to repeater or FREQ object Frequency used is inserted in packet (for return contact) Frequency used is inserted in packet (for return contact) If Echolink, IRLP or Autopatch, APRS packet includes node or Phone number! If Echolink, IRLP or Autopatch, APRS packet includes node or Phone number! All responses in Voice All responses in Voice APRStt (special event) (every radio!) See aprstt.html

46 APRS is a registered trademark Bob Bruninga, WB4APR 46 DTMF Report shows on APRS! DTMF Report shows on APRS! CALLSIGN with date and time CALLSIGN with date and time Position LIST in vicinity of repeater or APRStt entry point Position LIST in vicinity of repeater or APRStt entry point Voice Operating Frequency, Tone and local other info Voice Operating Frequency, Tone and local other info Node number if Echolink or IRLP, or reverse patch number if Repeater Node number if Echolink or IRLP, or reverse patch number if Repeater DTMF users show on map See aprstt.html MHz T107 R30m

47 APRS is a registered trademark Bob Bruninga, WB4APR 47 APRStt ( Hamvention ) (Doug Quagliana) See aprstt.html

48 APRS is a registered trademark Bob Bruninga, WB4APR 48 APRStt! Dayton Hamvention

49 APRS is a registered trademark Bob Bruninga, WB4APR 49 APRStt ( Simple Gateways ) See aprstt.html As simple as adding a DTMF chip to a Micro-Trak Or adding a DTMF chip to an OT and HT for use in the field at a special event

50 APRS is a registered trademark Bob Bruninga, WB4APR 50 APRStt ( Freq Display ) See aprstt.html For events, put one on each operating frequency and set posits along unused edge of map. See who is operating where, on what frequency and when

51 APRS is a registered trademark Bob Bruninga, WB4APR 51 APRStt (DTMF messaging) See aprstt.html For events, put one on each operating frequency and set posits along unused edge of map. See who is operating where, on what frequency and when 300,000 TH-78 and FT-51Rs have DTMF Messaging APRStt sends APRS info to TH-78 and FT-51R Displays APRStt receives APRS info from TH-78 and FT-51R users

52 APRS is a registered trademark Bob Bruninga, WB4APR 52 APRS Event Data Entry How to use APRS HTs for keypad entry of Troop data at camporees. 20 stations, 40 troops, 800 scores all day long. Use keypads!

53 APRS is a registered trademark Bob Bruninga, WB4APR 53 APRS Event Data Entry Typical APRS map display of positions But this is only HALF of the APRS function!

54 APRS is a registered trademark Bob Bruninga, WB4APR 54 APRS Event Data Entry Score Message Sent Score Data Received

55 APRS is a registered trademark Bob Bruninga, WB4APR 55 Event Data Entry (DTMF) Using ANY Radio with a DTMF keypad Troop Number and Score received at Net Control

56 APRS is a registered trademark Bob Bruninga, WB4APR 56 More INFO Display radios! TH78 and FT51,41,11 Display text messages TH78 and FT51,41,11 Display text messages Can also display local APRS! Can also display local APRS! Travelers Freqs Travelers Freqs IRLP or Echolink freqs IRLP or Echolink freqs Messages Messages FTM-10R uses DCS texting FTM-10R uses DCS texting See See ANY RADIO WITH DTMF! (see APRStt) ANY RADIO WITH DTMF! (see APRStt)

57 APRS is a registered trademark Bob Bruninga, WB4APR 57 APRS DTMF Gateway! See See Gates all Local APRS traffic to the DTMF radio! Gates all Local APRS traffic to the DTMF radio! APRS Packets gated to DTMF channel!

58 APRS is a registered trademark Bob Bruninga, WB4APR 58 APRS DTMF Gateway! See See Simple PIC processor added to any Radio/TNC APRS Packets gated to DTMF channel!

59 APRS is a registered trademark Bob Bruninga, WB4APR 59 APRS (RFID) See aprs-rfid.html For big events, put one at each checkpoint or venue. Every clubhouse/EOC door See who is operating where, on what frequency and when Hot Spot

60 APRS is a registered trademark Bob Bruninga, WB4APR 60 APRS (RFID) See aprs-rfid.html Hot Spot

61 APRS is a registered trademark Bob Bruninga, WB4APR 61 APRS Voice Alert! * Voice Alert is effectively 3 rd Radio channel for the D7 and D700 APRS radios Voice Alert is effectively 3 rd Radio channel for the D7 and D700 APRS radios By setting the APRS Band A to CTSS-100, By setting the APRS Band A to CTSS-100, but keeping the volume turned up: You wont hear any packets on * You wont hear any packets on * But you will hear a voice call using PL-100 on But you will hear a voice call using PL-100 on And you will hear* an occasional Ping packet if another D700 comes in line-of-site to you, like a proximity radar alerting you to local presence. And you will hear* an occasional Ping packet if another D700 comes in line-of-site to you, like a proximity radar alerting you to local presence. Great for long haul traveling and meeting other APRS users. Great for long haul traveling and meeting other APRS users. (For all mobiles!)

62 APRS is a registered trademark Bob Bruninga, WB4APR 62 APRS – IS - Local Info! Last 100 stations! Direction & Distance Frequency and Tone

63 APRS is a registered trademark Bob Bruninga, WB4APR 63 The New-N Paradigm 2005 APRS Generic Paths evolved over 13 years and the presence of many old legacy formats and procedures were really bogging down the network making it saturated and unreliable in busy areas. In 2005 all old paths were declared obsolete (RELAY & WIDE) and the entire APRS system in the US was then focused only on the WIDEn- N type of generic paths with small values of N. WIDEn-N goes N hops outward in all directions. N=2 in most areas colored on next slide Factor of 3 to 5 improvement!

64 APRS is a registered trademark Bob Bruninga, WB4APR 64

65 APRS is a registered trademark Bob Bruninga, WB4APR 65 APRS (Range Circles)

66 APRS is a registered trademark Bob Bruninga, WB4APR 66 APRS (ALOHA circle and digipeater hops) [Your ALOHA circle is your 100% saturated channel range]

67 APRS is a registered trademark Bob Bruninga, WB4APR 67 APRS Range circles and Path tracing

68 APRS is a registered trademark Bob Bruninga, WB4APR 68 APRS ( DFing by signal strength )

69 APRS is a registered trademark Bob Bruninga, WB4APR 69 APRS ( Solo DF Fade Circle Technique )

70 APRS is a registered trademark Bob Bruninga, WB4APR 70 APRS ( Solo DF Fade Circle Technique )

71 APRS is a registered trademark Bob Bruninga, WB4APR 71 APRS Balloons Very Simple APRS transmitter GPS

72 APRS is a registered trademark Bob Bruninga, WB4APR 72 APRS ( Solo DF Fade Circle Technique )

73 APRS is a registered trademark Bob Bruninga, WB4APR 73 APRS ( Solo DF Fade Circle Technique )

74 APRS is a registered trademark Bob Bruninga, WB4APR 74 APRS ( Solo DF Fade Circle Technique )

75 APRS is a registered trademark Bob Bruninga, WB4APR 75 APRS 3D views for Balloon tracking

76 APRS is a registered trademark Bob Bruninga, WB4APR 76 APRS Tracking with Milemarks

77 APRS is a registered trademark Bob Bruninga, WB4APR 77 APRS – Traffic Speed Posts Shows speed of traffic past special points

78 APRS is a registered trademark Bob Bruninga, WB4APR 78 APRS IGates (Global APRS!) An IGATE is a local APRS station that utilizes the APRS-Internet network to pass all packets heard on their local RF back to the Internet. (Gives global views to local activity. An IGATE is a local APRS station that utilizes the APRS-Internet network to pass all packets heard on their local RF back to the Internet. (Gives global views to local activity. Also act as two-way gateways for ALL APRS MESSAGES worldwide (Internet RF). Also act as two-way gateways for ALL APRS MESSAGES worldwide (Internet RF).

79 APRS is a registered trademark Bob Bruninga, WB4APR 79 APRS for Special Uses Bicycle rallies, races Bicycle rallies, races Walk-a-thons, Parades Walk-a-thons, Parades Skywarn Skywarn Weather Nets Weather Nets Crime prevention patrols Crime prevention patrols Damage assessment Damage assessment Direction Finding – Foxhunts Direction Finding – Foxhunts Voice for communications, APRS for visual mapping Voice for communications, APRS for visual mapping Now integrating into APRN (Automatic Picture Relay Network) Now integrating into APRN (Automatic Picture Relay Network)

80 APRS is a registered trademark Bob Bruninga, WB4APR 80 Sensor Buoy Prototype Piggrem See Buoy Location and Telemetry at

81 APRS is a registered trademark Bob Bruninga, WB4APR 81 Findu.com Telemetry Plots Google for USNA Buoy Select USNA-1

82 APRS is a registered trademark Bob Bruninga, WB4APR 82 APRS via Space APRS space frequency is MHz APRS space frequency is MHz Also via GO-32 on downlink, MHz up Also via GO-32 on downlink, MHz up

83 APRS is a registered trademark Bob Bruninga, WB4APR 83 APRS in Space 2001 PCSAT-1 Prototype Comms PCSAT-1 Prototype Comms PCSAT2 on ISS 2006 PCSAT2 on ISS 2007 ANDE 2007 ANDE 2008 RAFT 2008 RAFT APRS space frequency is published as APRS space frequency is published as See live downlink on

84 APRS is a registered trademark Bob Bruninga, WB4APR 84 Psat 2009? Xponder Xponder 4.5 watts avg pwr 4.5 watts avg pwr Other Payloads Other Payloads Two-per Launch! Two-per Launch! See live downlink on

85 APRS is a registered trademark Bob Bruninga, WB4APR 85 Now GO-32 TECHSAT-1b GO-32 now supports APRS on its / packet system. GO-32 now supports APRS on its / packet system. APRS up on (PCs and messages) APRS up on (PCs and messages) Mic-E up on (D7 and D700s) Mic-E up on (D7 and D700s) See live downlink on Baud!

86 APRS is a registered trademark Bob Bruninga, WB4APR 86 GO32 -EZ - MOBILE Satellite Prediction and Tracking No computer needed No computer needed Two or more solid TX/RX passes every day Two or more solid TX/RX passes every day Two additional TX passes 100m before and after! Two additional TX passes 100m before and after! Fri 26 Oct is day8

87 APRS is a registered trademark Bob Bruninga, WB4APR 87 Tracking ECHO (AO51) too! No computer needed No computer needed Two or more solid passes every day Two or more solid passes every day Friday 26 Sep is here!

88 APRS is a registered trademark Bob Bruninga, WB4APR 88 LEO Pass Geometry Bottom line: 10 dB gain Horizon-to-horizon 98% of all in-view times Using $75 TV rotator only

89 APRS is a registered trademark Bob Bruninga, WB4APR 89 Omni Antenna Gain 7 dBi ! 1% 70% 30% SATgate!

90 APRS is a registered trademark Bob Bruninga, WB4APR 90 Omni SatGates

91 APRS is a registered trademark Bob Bruninga, WB4APR 91 Omni SatGates

92 APRS is a registered trademark Bob Bruninga, WB4APR 92 Omni SatGates (Alogger)

93 APRS is a registered trademark Bob Bruninga, WB4APR 93 APRS Emergency Comms Google for USNA Buoy Select USNA-1 Satellite-Simulated Emergency Test – SSET - Send an emergency via Satelilite Meteor-Scatter Monitoring Network (6 meters) - Dozens of Igates monitoring MHz - Message Throughput in minutes - Using surplus 110 Watt 6m radios - Simple 100 long wire gain antennas

94 APRS is a registered trademark Bob Bruninga, WB4APR 94 APRS Emergency Power 200W Solar Power - Continuous 10 kW gas Generator 220 VDC - Auto-runs as needed - lightweight wires Low Cost $1 Universal Power Connector

95 APRS is a registered trademark Bob Bruninga, WB4APR 95 APRS Home Power Solar Power.. It aint what it used to be! 40% drop in price this year 1% what it cost in % efficient now (no batteries (70%)) 50% total cost Government Rebates! $500-$3000 annual rebates FREE Electricity for LIFE Low Cost $1 Universal Power Connector

96 APRS is a registered trademark Bob Bruninga, WB4APR Solar Power Now! Down to $3/watt installed (1$/W deals) My 8,000 Watt system (shown)

97 APRS is a registered trademark Bob Bruninga, WB4APR 97 Off - Grid... !!! NOT !!! Forget your HAM Radio lifetime of experience…. There is NOTHING economical about battery storage !!!

98 APRS is a registered trademark Bob Bruninga, WB4APR 98 * High initial and maintenance costs * They cannot save up the 2X or 3X summer excess for winter * They lose 30% of all energy in charge/discharge losses * Battery Maintenance and replacement problems for life Battery storage has four very major shortcomings:

99 APRS is a registered trademark Bob Bruninga, WB4APR 99 GRID-TIE is what makes Solar Economical There is no buying and selling of electricity. * Grid Tie simply works by pushing your meter backwards when sunny * And letting it run forwards when you use power. * Unlimited storage capacity,* unlimited time*, 100% efficient storage * (on annual solar cycle)

100 APRS is a registered trademark Bob Bruninga, WB4APR When the Grid Goes Down? Whole House Off Grid System $50,000 Cost per KwH during outages $ / KWH With Battery $ cents/ KWH On Grid 15 cents/ KWH OR! Backup =

101 APRS is a registered trademark Bob Bruninga, WB4APR Solar Power = Emergency Power COMPLETELY DIVORCE any thoughts of emergency power from Economical power. COMPLETELY DIVORCE any thoughts of emergency power from Economical power. Solar power is for ECONOMICAL POWER Solar power is for ECONOMICAL POWER Emergency power has nothing to do with it whatsoever. (Solve that problem separately) Emergency power has nothing to do with it whatsoever. (Solve that problem separately) 101

102 APRS is a registered trademark Bob Bruninga, WB4APR 102 Solar Power *is* Economical Look at it this way: Keep $24,000 in a bank at 1%. Continue to pay $200/m for Electricity * After 10 years, you have paid $24,000 with NOTHING to show for it * And every year you have uncertainty in ever rising prices Buy a $48,000 solar system now, ( With incentives, Pay only $24,000) * Have maintenance free electricity for LIFE * It is generating $2400/year return on investment (10%) for LIFE * OWN this $48,000 energy system and all its equity for life * After 20 years it is still producing 80% of todays power! (and will continue)

103 APRS is a registered trademark Bob Bruninga, WB4APR 103 APRS is INFO. not just tracking! Voice Alert? AVRS (Ham Radio Mobile Cell via APRS=>VOIP)? Signal Finding? Nets? Meetings? APRStt? Frequency? Field Data? Traffic? RF Range? Tracker-Voice? Milemarks?


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