[amsat-bb] Re: antenna help

Nick Pugh K5QXJ quadpugh at bellsouth.net
Sat Jan 11 08:55:50 PST 2014

Hi Bob

By comparing the hot sun to cold sky you can figure out the Ratio of antenna
gain to system noise. My system noise is undetermined I suspect that my
antenna are under performing by about 5 db and I would like to compare it to
somebody else antenna. The solar flux numbers are available at both UHF and





From: Robert Bruninga [mailto:bruninga at usna.edu] 
Sent: Saturday, January 11, 2014 8:10 AM
To: Nick Pugh K5QXJ
Subject: Re: [amsat-bb] antenna help


Is it not possible to simply point at the sun and observe the sun noise as a
way to baseline your station performance?

I dont remember if this can work on VHF or UHF, but it works for microwave.
Maybe some experts know the answer...
bob, wb4apr


On Sat, Jan 11, 2014 at 5:12 AM, Nick Pugh K5QXJ <quadpugh at bellsouth.net>

I am trying to check out my antennas. I am looking for someone on the list
that has the ability to measure the incoming receive level of signal on a
high gain antenna at UHF/VHF . If you have that ability like a flex 5000 uv
or similar please contact me off list



Office   337 593 8700 <tel:337%20593%208700> 

Cell      337 258 2527 <tel:337%20258%202527> 

Helping UL become a world Class Engineering  and Educational School

Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb


More information about the AMSAT-BB mailing list