[amsat-bb] L band gear

Zach Metzinger zmetzing at pobox.com
Thu May 14 18:45:52 UTC 2020


On 05/14/20 13:41, Greg D wrote:
> You'll also need an antenna.  Surprised that's not been mentioned in
> this drift into homebrewing...
> 
> Before I got my 30 element Beam at a swap meet, I was using a homemade
> 17 turn Helix.  It was easy to make, and worked quite well.  I would not
> say that the beam was any better, especially since the helix is
> circularly polarized.  I still have it, and may swap it back into
> service some day.

Yep! Plenty of designs out there, should one want to build vs buy:

https://vk1sotaon23cm.wordpress.com/23-cm-antennas/

One of these cheap, perhaps-not-perfect-but-good-enough VNAs would help 
tune it up:

https://www.tindie.com/products/hcxqsgroup/nanovna-v2/

(I have the v1, which is good up to ~900 MHz, and have been pleased with 
it.)

--- Zach
N0ZGO


More information about the AMSAT-BB mailing list