[Lowfer] TAG PSK02 185.800

Sat, 24 Jan 2004 10:16:24 -0500

John

No luck here in 02. Moved the fRX in .01 Hz steps but still no joy. I
know the RX is dead on (well, as good as GPS) and sampling rate should
be very close.

Jay

----- Original Message ----- 
From: "John Andrews" <[email protected]>
To: <[email protected]>
Sent: Saturday, January 24, 2004 9:13 AM
Subject: [Lowfer] TAG PSK02 185.800

> TAG will be transmitting PSK02 on 185.800 kHz during the day today.
There
> may be some interruption in the late afternoon. Use the Digimode
terminal in
> Spectrum Lab to decode it.
>
> The transmit frequency should be accurate within 10 milliHertz.
Receiver
> accuracy and stability is essential, or you may just get some
occasional
> characters. I would suggest calibrating the 11025 Hz sampling rate in
> SpecLab, and using the "fRx" cal box in the Digimode terminal to do
any fine
> tuning. Note that you are NOT limited to one decimal place in that
box.
>
> I am presently using the phasing exciter to do this, taking the audio
from
> the sound card. I will switch over to direct PSK of the exciter later
today,
> and eliminate the sound card as a source of frequency error.
>
> Text moves a LOT slower than PSK31!
>
> John Andrews, W1TAG
> TAG Status: http://webpages.charter.net/w1tag/
>
>
> _______________________________________________
> From the Lowfer mailing list
> Send messages to: [email protected]
> To sub/unsub visit: http://mailman.qth.net/mailman/listinfo/lowfer