Good morning all, One thing that I have noticed with trying to tune in a qso or even tune myself so that I can even find myself on the downlink is not easy some days. If I use the rit then sometimes I loose the other party on there or they can not tune up to me very well. One thing that I have noticed thinking about this if I turn the rit on and use that then turn the RIT off and then try to tune the xmit freq I see that the XIT is also changed to the same amount as the RIT control. So having found this and trying to work with SatPC32 trying to tune using the cat control section I am not having very good luck somedays getting things tuned up. I don't try to do these at the same time, I work with one or the other, just have not found a good happy medium yet for tuning in the different ones. Now I am thinking that I might want to reset all back to square one with the radio again and see what happens with the RIT and XIT if they track together or not if I do a full reset of the radio. The rig is the TS2000X, it took sometime getting it to work with Satpc32 and now I know where I made the mistake on the basic setup so that I can get things to a working point with the software for tracking again. Just seeing that the RIT control and the XIT track together even thou they are not on together that I know of when I try to work things. This I only found this week. So any thoughts on this?
Thank you.
Jim
On Wed, Feb 6, 2019 at 11:36 PM Mike Sprenger mikesprenger@gmail.com wrote:
Great job
Im going to contradict myself. Don’t use the RIT...(then maybe use the RIT)
Hopefully your RIT is off when you adjust your uplink in Satpc32 to line up and match the pitch of your voice.
If I find that I have tuned to someone calling CQ or in QSO - when i call them ——> if they move, yet I can understand, I will accept the pitch difference and NOT touch the main tuning dial for that round of the QSO so things stay constant for the other station
If we go another QSO round and things are still about the same amount of frequency offset, I’ll just compensate slightly with my RIT.
If you’re within 300hz I’d say you’re doing well, and touching up with RIT is well within reason.
Like drew suggests- carry on.
Thanks, Mike
Sent from my iPhone
On Feb 6, 2019, at 2:01 PM, Andrew Glasbrenner <
glasbrenner@mindspring.com> wrote:
So just diddle the RIT a little and carry on?
73, Drew KO4MA
-----Original Message----- From: AMSAT-BB amsat-bb-bounces@amsat.org On Behalf Of Stephen E.
Belter
Sent: Wednesday, February 06, 2019 1:43 PM To: k6vug@sbcglobal.net Cc: AMSAT BB amsat-bb@amsat.org; Paul Stoetzer n8hm@arrl.net Subject: Re: [amsat-bb] Operating SSB sats
Just my guess: If you’re tuning so that you sound good to yourself, you
may sound a little high (or low) to someone else. Also, since most people you’re operating don’t know what you sound like in person (James Earle Jones or Pee Wee Hermon).
You can check your tuning by sending a tone and zero-bearing with the
received tone.
Or experiment with adjusting your received signal so that you’re a
little low (or high) with what sounds best to you. Then see if you’re still chasing each other up (or down) the band.
73, Steve N9IP
Steve Belter, seb@wintek.com
On Feb 6, 2019, at 1:31 PM, "k6vug@sbcglobal.net" k6vug@sbcglobal.net
wrote:
That is exactly right, with the fully computer controlled setup I can
move the downlink (RX) up and down the pass band looking for callers and not have to touch the TX frequency as it is managed by the software and can hear my own voice with a steady tone quite well.
Umesh
On Wednesday, February 6, 2019, 9:44:56 AM PST, Paul Stoetzer <
n8hm@arrl.net> wrote:
Umesh, If you can tune around and always hear your own downlink on the correct
frequency, then you are doing everything right.
73, Paul, N8HM On Wed, Feb 6, 2019 at 12:42 PM k6vug@sbcglobal.net <
k6vug@sbcglobal.net> wrote:
Good Morning All, I'd like to understand something that seems to be happening with SSB
birds.
I realize that they are two kinds of operators - one that has a computer controlled station and one that tunes manually, and I respect both types. The following observation is about two computer controlled stations working via a SSB satellite -
(a) My station is computer controlled (SatPC32 or HRD) and can hear
myself on the downlink throughout the pass. I can also go up or down the pass band and still hear myself without needing to retune the uplink. It is pretty rock solid, almost like HF operation.
(b) Sometimes I hear a station calling CQ and it remains on the same
frequency during successive CQs, so I'm guessing their station is also computer controlled. I can tune in and stay on their calling frequency.
(c) However, when I can respond, it seems they have to tune their
downlink a bit to hear me well. So when they come back to my response, they are a bit off-frequency (about 300Hz) and sound like Mickey Mouse, until I retune the downlink to hear them well again. This keeps happening throughout the QSO.
(d) This "drifting" happens only with some stations calling CQ and not
everyone.
Considering both stations are computer controlled at each end, I'm
trying to understand if I'm doing anything wrong/incorrect. Learning to operate SSB sats has been humbling as well as exciting, I'd appreciate any pointers for this situation. Thanks in advance.
73! Umesh k6vug
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AMSAT-NA.
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Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb