[CQ-Contest] Webinar - Waller Flag RX Antenna 101 - How to Construct a WF

Ken Claerbout k4zw at verizon.net
Sat Jan 28 15:39:29 EST 2017

Join us for a webinar on Feb 16, 2017 at 9:00 PM EST
Register now! -

JC N4IS covers the concepts and decisions to build your own WF low band high
performance receive antenna. Topics include:

1- What is a Waller Flag
2- Horizontal or vertical poles.
3- Common node noise, and detuning towers or TX antennas
4- Phasing lines and transformers
5- Feed lines and chokes
6- Preamplifiers, filter and R/T switches
7- How to measure pattern (polar plot)
8- How to test and evaluate results.

Ken K4ZW 

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