Archive of TechNets

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 Interesting Links:

• North East Weak Signal
• WA1MBA (Tom Williams)
• Antenna Basics
• Yagi Demo by Diana Eng
• More to come

 Charts and Graphs:

• U.S. Radio Frequency Allocation Chart.
• Electromagnetic Spectrum Chart, Modern.
• Electromagnetic Spectrum Chart from 1944 Popular Science.
• RF Propagation Chart (don’t stare at the sun, look here instead).
• Propagation Chart for 144 Mhz (zoom in and out to change range)
• More to come

Don’t miss the...

The Space Report

With WS2N, Paul.

CLICK HERE FOR

THE SPACE PAGE

If you have a question or comment for Paul, you can reach him at:

spacenetreport@gmail.com

Old A6F Photo circa 1988

 TechNet Discussion

 Article from K2RIW:

• Dipole RF Bubble Article

also called “Antenna Scattering Area”

• Photo from K2RIW’s Tower
• K2RIW QSL CARD

1. Front Side of Card
2. Back Side of Card

 Links to Other Recent   TechNet Related Info:

• A “T” Match Tuning Peculiarity by K2RIW  (Perfect Yagi)
• Related Follow-up Article by KD2BD
• Impedance Matching Network Design Tool (Berkeley Univ)

 Latest Articles From

K2RIW:

• Directional Couplers           10.368 feed tuning.
• Maximum Dish Efficiency.

 K2RIW 19 Element Yagi   Article and Construction Info:

• UHF Antenna Ratiometry
• “RF” Yagi Construction
• Photo of K2RIW 19 El Yagi

Link to N.E.W.S.

Picnic 2014

 John Kraus Books:

• “Antennas” - Free download
• “Radio Astronomy” - purchase
• “Big Ear II” - purchase
• More to come

STANDING UP FOR STANDING WAVES

This is a YouTube video from

Amateur Radio Video News

on Standing Waves