Welland Valley Amateur Radio Society Direction Finding Introduction By Colin Lowe (G1IVG) www.wvars.com.

Slides:

Advertisements

Similar presentations

ESTeem RF Design Tools SECTION 4 - RF System Design.

Advertisements

Amateur Radio Technician Class Element 2 Course Presentation ELEMENT 2 SUBELEMENTS T1 - FCC Rules, station license responsibilities T2 - Control operator.

Automatic Position Reporting System. What is APRS all about? (Humans communicating INFO with Humans) Immediate local digital and graphical information.

Using advanced motor driven direction finder and sophisticated software. Just for information, not intended to scare hams as simple homebrew equipment.

SPARC Fox Hunt Background Why do a fox hunt? Some IARU Rules… SPARC Event June 5, 2013.

Electromagnetic interference A number of digital hearing aid users have reported occasional loud noises when using their fm system Occurrences were unpredictable.

Localization with RSSI Method at Wireless Sensor Networks Osman Ceylan Electronics Engineering PhD Student, Istanbul Technical University, Turkiye

Amateur Radio Direction Finding

Simple VHF Direction Finding Gary Wilson, K2GW. Requirements Knowledge of VHF Propagation Methodical, Patient Approach Simple Land Navigation Skills Simple.

Lecture 1 Television Antenna. Parts of antenna.

A Tour of the Ham Bands DC to Daylight. VLF Bands NOT available in U.S. 73 Khz Khz Khz. 500 Khz. All limited to very low power – generally.

Doppler A change in frequency of an RF signal caused by the relative motion between the source and the observer Doppler is a natural phenomenon.

Summary of Path Loss in Propagation

Intro to Tech - Radio 1 Radio Transmission Moving information from place to place using Electro Magnetic Radiation.

Radio Direction Finding Scott Honaker N7SS. Scott Honaker - N7SS2 Why do we need these skills? ► Locating Harmful Interference  Jammers  Stuck transmitters.

Radio Direction Finding FUNDAMENTALS Part 1

1 Chelmsford Amateur Radio Society M3 Foundation Licence Course Murray Niman G6JYBSlide Set 7 (7) EMC Chelmsford Amateur Radio Society M3 Foundation Course.

Introduction to VHF Direction Finding

CHAPTER 5 WAVE, WAVELENGTHS, FREQUENCIES.

D Star Digital Data (DD) Buddy Morgan WB4OMG Trustee KJ4ACN D Star Repeater, Lakeland, FL

Hidden Transmitter Hunts

Hand Held Transceivers ARRL Book Section 3.4. The HT Some people call them walkie talkies –Most amateur radio operators consider that a word for a toy.

OKALOOSA COUNTY ARES®/RACES Red Cross Shelter Special Care Facility Hospital Radio Operators Guide EOC Updated August 13, 2010 Bob Walker, N4CU 2010 Hurricane.

Technology Overview Global Positioning System. Global Positioning System:  developed by the US Dept. of Defense  satellite-based  designed to provide.

DIRECTION FINDING An Introduction. Agenda Why do we do it? Getting Started More developed techniques What we do in WADARC Rules Summary.

$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300.

$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300.

Airborne Reception Analysis of 406 Emergency Locator Beacon.

Radio links Seminary 7. Problem 7.1 Free space (one way / line-of-site) propagation a) Calculate the section attenuation of a 10 km long radio link operating.

Parallel Lines Construction Parallel Line through a Point A Parallel Line from a Point ‘B’

DO THE CELEBRITIES AFFECT THE SYSTEM. Effect The celebrities, whether they are sports figures, politicians, actors/actress, make good effect on society.

FCARC Technician Class January 2012 Session 1, Part 2: Repeaters.

Introduction to Waves Contents: Pulses/continuous waves

Introduction to Velocity Notes: Velocity Assignment: Velocity Challenge Wrapping Up… – Why is there a compass on this page? – How is velocity different.

Calculating Wave Speed

1 Chelmsford Amateur Radio Society Advanced Licence Course Clive Ward G1EUC Slide Set 20: v1.2, 20-Oct-2013 (8) Operating Practices Chelmsford Amateur.

Simple VHF Direction Finding Gary Wilson, K2GW. Requirements Knowledge of VHF Propagation Methodical, Patient Approach Simple Land Navigation Skills Simple.

EQUIPMENT. Radio Transceiver (and Amplifier) Transceiver Block Diagram.

Introduction The uses of a DME DME Equipment How DME work? Advantages of DME Disadvantages of DME.

Technician License Class presented by the Wabash Valley Amateur Radio Association, Inc.

Clint Miller KCØJUO and Paul Cowley KB7VML Story County ARES January 16 th, 2016.

W2UC: Union College RF Repeater for Amateur Use

1ELTDF..PPT LAST REVISED: 9 JULY 2008 Citizens Serving Communities Distress Beacon Frequencies Primary: –121.5 MHz, and its harmonics (243 MHz) –243 MHz,

Doc.: IEEE /522r2 Submission July 2003 N.Kita, Y.Inoue, NTTSlide 1 Multipath Delay Profiles in a 5GHz band Naoki Kita and Yasuhiko Inoue NTT

Standard Grade Prelim Revision The topics we will be revising are: 1. Wednesday 17 th November – Pythagoras 2. Monday 22 nd November – Statistics 3. Tuesday.

Discover radio with us! Wednesdays at 7:00 PM in 911 Old Chemistry (Top of North East stairwell).ORG.

An introduction to GPS technology. Thank you to the University of New Hampshire Cooperative Extension Program for providing these materials!

1 Global Positioning System Much of this presentation is taken from a geocaching PowerPoint presentation made by the Wisconsin Geocaching Association.

Hala Esawi Hana Masri Shorouq Abu Assab Supervised by: Dr.Yousef Dama

Calvert Amateur Radio Association March 1, 2012

Hire Toyota Innova in Delhi for Outstation Tour

Phone: + 40 (728) | +40 (733)

FOX HUNTING 101 RADIO DIRECTION FINDING TECHNIQUES SAFETY FIRST!

Technician Licensing Class

Chapter 7 Transmission Media

FCARC Technician Class

Introduction to Radio Direction Finding

What we will do today: Carry out calculations involving the relationship between speed, wavelength and frequency for waves.

Technician Licensing Class

CHAPTER 5 WAVES, WAVELENGTHS, FREQUENCIES.

Mobile Fox Hunting in Northern Germany by Peter, DK5BD

Packet Radio Equipment required:

Mutipath Delay Profiles in a 5GHz band

10 GHz … Northwest Style Pacific Northwest VHF Society 2005 Conference, Seaside Oregon Mike Reed KD7TS and Bob Larkin W7PUA 10 GHz...NW Style KD7TS &

Mutipath Delay Profiles in a 5GHz band

Packet Radio Equipment required:

Presentation transcript:

Welland Valley Amateur Radio Society Direction Finding Introduction By Colin Lowe (G1IVG)

Directional Finding “The WVARS Way” To use your radio and map reading skills to try to locate a hidden transmitter. Use of homebrew aerials, attenuators etc. Summer outdoor activity. Social Event. No Speed Involved

Equipment Receiver Attenuator Aerial Map Compass, Rule & Pencil

Receiver Rx Signal Meter. Ear phones. Easy to handle. Good Battery. Aerial adaptor (SMA to BNC etc) MHz FM. 2 nd Harmonic = MHz.

Attenuator

Aerial 70cm HB9CV. Homebrew (G7PZB). Buy.

Map Ordinance Survey Map. (£7)

Compass, Rule & Pencil

Example of taking Bearings

Bearing 1

Bearing 2

Bearing 3

Calculated Location

DF Fox Hunt 18 th July pm Meet at Prince Rupert’s View Point. An open invite to KDARS to join us. 70cms ( FM). Fox Located no more than 5 miles away.

Prince Rupert’s View Point

Prince Rupert’s View Point

Hope to see you all on