Interesting Antenna Stuff Ray Sokola K9RS

Just some stuff to think about G0KSC LFA,OWL etc 4 - 40 meter antennas in phase N6BT new stuff C3S Moxon by K9RS HEX FG-01 a nice present!

G0KSC OWA Optimized Wideband Array http://www.g0ksc.co.uk/ OWA Optimized Wideband Array OWL Optimized Wideband Low impedance LFA Loop Fed Array OP-DES Opposing Phase Driven Element System

G0KSC Loop Fed Antenna

2 EL 10M LFA between 2 5 EL 6M LFA’s

The OP-DES Yagi Opposing Phase Driven Element System Reduces side lobes and helps provide a much wider band antenna with constant performance characteristics

2 element 28MHz OP-DES Yagi another development of Justin Johnson, G0KSC

Available from http://store.rlham.com

fact lower than most people think 40 M stacks The bottom antenna can be pretty low, in fact lower than most people think

A nice system for 40M @NN1N “…spaced 2 of my Rohn 45s 100 feet apart broadside to about 60 degrees az.  Put 402CDs at about 100/50 on each tower.  Good for about 12.25 db on signals at 22 degrees elevation.  It is showing that gain pretty consistently.  Usually EU sigs are about 5 to 10 db above the 2 el rotatable (much higher on another tower on top of the hill) by itself…”

Whatever happened to Tom Schiller, N6BT, from Force 12 ?

Founder of Force12 Team Vertical

This is a Must Read !

others make comparisons. N6BT makes the best antennas; others make comparisons.  • New 5-band Yagi and Rotary dipole for HF   • Bravo Series Vertical Dipoles for HF     • Bravo Series 5 & 7 band for fixed, portable, expedition       • Bravo Series single band and 2-element SBVAarrays               • 160 DXpedition vertical used to set QRP and LP Records • 3 element 20 and 2 element 40    

Q52 Relay-switched 20-17-15-12-10 meter Yagi

Q52 5-band Remote Switched 2el Yagi 20-17-15-12-10 meters 3' sections, Integrated Balun 16' long elements, 9' boom, 9' rotating radius <2sqft windload, 17 pounds, KW Minimum 85% efficient 100 mph survival Gain: >3.2dBd all bands, min 8-10dB F/B all bands Intro price of only $549

20 meter 2 element Bravo mounted at 6' with remote switching on the parasitic element to change direction

K9RS C3S Moxon What do you do when the movers bend the ends of your 20M elements to fit in the moving van? You make it into a pseudo moxon

meter elements shortened by folding in using wire I use a C3S with the 20 meter elements shortened by folding in using wire and nylon line

Hex Beams They work pretty well

DX Engineering HEXX

JY7P

HEX This is what it Looks like if the Center post Breaks!

For Hex beams the center Support is critical

The original with two ‘W’ shapped elements

New style HEX with ‘U’ shaped reflector

http://hizantennas.com

Hi-Z 4-8PRO Eight Element Tri-Band Array System I'm sitting here listening to TX7M on 1831.7. Conditions are not good this morning and he's peaking about S5/S6 on the TX four square but takes long, deep fades down to S0, occasionally not even copyable. Other than an occasional static crash of S7, my S meter on the FT1000MP is sitting on S0. . .no bars even lit. The TX7 will fade down to where I can just barely tell he's there on the TX four square. When I switch to the 8 circle he's Q5 copy with an S4 meter reading! So not only does the 8 circle hearing him with a better SNR, but it's actually hearing him with greater absolute signal strength. It's totally amazing. I sit here and keep switching back and forth between the TX and RX arrays, thinking I'm doing something wrong or overlooking something. Now I know the TX four square hears very, very well. But the degree that the 8 circle is hearing better, both SNR and absolute signal level, is phenomenal. It's enough to make me almost think maybe I need to check out the TX four square when it gets to be daylight. You have absolutely hit the mark with the Plus6 amp. 73. . . Dave W0FLS

Hi-Z 4-8PRO Eight Element Tri-Band Array System The 4-8PRO can be scaled to fit in a smaller footprint for more space restricted locations with only a very minimal decrease in 160 meter performance. The smallest area that can be accomplished is a 42.5 foot radius or 85 foot diameter circle.

RDF RDF is the difference between the  maximum forward gain in the direction of interest and the average gain in all directions of an antenna. http://www.k7tjr.com/rx1comparison.htm

FG-01 Antenna Analyzer $249 TEN-TEC is proud to announce that we are the exclusive distributor in the US for YouKits brand products.

FG-01 specs Power consumption: About 400 mA Frequency Range: 1-60 MHz Output: 15 dbm Center Frequency Step: 1K, 10K, 100K, 1MHz Scan Width of Display: 10K, 20K, 50K, 100K, 200K, 500K, 1M, 2M, 5M, 10M, 20M, 50M Operating Power: 10-12.8VDC @500 ma Dimensions: 3.8" X 2.3" X 1.5" Weight: 13.5 oz with battery

Comet CAA-500 CAA-500 Commercial Grade SWR/Impedance Analyzer Range: 1.8 - 500MHz (including 222MHz band) $439.00 @ CheapHam.com

http://www.ltaprojects.com/ 33 ft Inflatable Tower for Amateur Radio Starting at $1139 http://www.ltaprojects.com/

http://www.youtube.com/watch?feature=player_embedded&v=6yP5ZzTbZf8 http://www.youtube.com/watch?v=alsUtjxKIOQ&feature=related