[amsat-bb] Re: HO-68 Linear Transponder - Newbie Questions

Pedro A. Perez eb4dka at teleline.es
Tue Dec 29 14:00:49 PST 2009

Hi Mike, when I work satellites from mobile (mode J-V/U) I only compensate 
the doppler on the receiver (also a SSB handheld receiver). You can see what 
I'm talking about in this video working the FO-29 (similar to the HO-68):


Best 73 and good luck!

Pedro EB4DKA

----- Original Message ----- 
From: "Mike Benonis" <mailinglists at benonis.net>
To: "BB" <amsat-bb at amsat.org>
Sent: Tuesday, December 29, 2009 8:41 PM
Subject: [amsat-bb] HO-68 Linear Transponder - Newbie Questions

> I'm a relative satellite newbie, and hence I don't have a base station set 
> up.  I do have a 2m SSB rig and an HT capable of SSB reception up at 435 
> MHz, as well as an Arrow antenna.  With that in mind, does anyone have any 
> tips for making contacts via the linear transponder on HO-68?  Other than 
> keeping my antenna pointed in the direction of the bird/rotated to avoid 
> fades, how much do I need to compensate for doppler on the transmit and 
> receive rigs?    If I only tweak the RX rig, is that acceptable?  Also, 
> how much power should I use?  Thanks for any advice this list might have!
> 73's de Mike KI4RIX
> Best regards,
> Mike Benonis
> mike at benonis.net
> _______________________________________________
> 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