[amsat-bb] Re: Operating linear transponders - Newbie.
Anthony Monteiro
aa2tx at comcast.net
Tue Dec 31 14:21:54 PST 2013
Hi Peter,
Dave is correct; tune the higher frequency.
See this link for a more detailed explanation:
http://www.amsat.org/amsat/features/one_true_rule.html
73 and best DX,
Tony AA2TX
---
On 12/31/2013 1:25 AM, David Johnson wrote:
> Hi Peter.
>
> If you don't have computer control, always tune the higher frequency. Ie
> the one with the most doppler. For ao73 keep the rx fixed and adjust the
> uplink as the doppler changes.
>
> 73
>
> Dave g4dpz
> On 30 Dec 2013 23:39, "Peter Wilson"<protest at virginmedia.com> wrote:
>
>>
>>
>> Hi all,
>>
>>
>>
>> I have just tried working through AO73, with limited success. I need some
>> very basic help with satellite operation.
>>
>>
>>
>> I have an IC-9100, I set the uplink and downlink to mid-range (435.140Mhz
>> and 145.960Mhz), then call CQ until I hear my own signal
>>
>> which has worked every time, then I get problems.
>>
>>
>>
>> When someone calls me back I panic, what do I do when the doppler kicks in,
>> do I move both TX and Rx, or do I just move my Rx to follow the other guy.
>>
>> I haven't managed to get SatPC32 controlling my rig yet, also, I want to
>> learn the hard way - manually.
>>
>>
>>
>> Can someone point me to an article that explains in detail how to operate.
>>
>>
>>
>> I know this is a very basic question, but we all have to start somewhere. I
>> have managed tow contacts so far. First was AO73 and tonight with FO29.
>>
>> Not sure how I did it, but thanks to ON5NY and EM5SR.
>>
>>
>>
>> Happy New Year
>>
>>
>>
>> Peter
>>
>> G8KEK
>>
>> _______________________________________________
>> 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
>>
> _______________________________________________
> 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