(Araucaria) FW: Topband: Webinar - Waller Flag RX Antenna 101 - How to Construct a WF

[JC]

Vem ai mais um Webnair divulgue,  depois podemos fazer um em português se
necessário

-----Original Message-----
From: Topband [mailto:topband-bounces em contesting.com] On Behalf Of Ken
Claerbout
Sent: Saturday, January 28, 2017 3:51 PM
To: TOPBAND em contesting.com
Subject: Topband: Webinar - Waller Flag RX Antenna 101 - How to Construct a
WF

Join us for a webinar on Feb 16, 2017 at 9:00 PM EST Register now! -
https://attendee.gotowebinar.com/register/7735767269616129539

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.

73
Ken K4ZW 

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