[amsat-bb] When exactly is a non-conductive mast necessary?

[Zach Metzinger]

On 2019-12-31 05:54, Zach Metzinger via AMSAT-BB wrote:
> A prototypical LNA for 20 EUR ($22 USD) at http://lna4all.blogspot.com/,  > and a determined amateur can construct one for less.

Following up on this a bit, PA3CSG's web page has a 70cm antenna switch 
built with cheap relays you might find in consumer electronics:

https://pa3csg.nl/?page_id=1114

This design could easily be combined with the LNA4ALL design into an 
inexpensive, DC-switched system capable of handling significant power.

--- Zach
N0ZGO