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Author Topic: PSK 31  (Read 565 times)
ZD8KW
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Posts: 16


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« on: November 03, 2000, 07:32:07 PM »

I NEED TOO TX ON PSK I HAD A BOARD MADE FOR ME IT DOS NT WORK PLEASE GIVE ME SOME HELP HERE I AM ON ZD8 ASCENSION ISLAND
I HAVE MADE A FEW CONTACTS BUT MY VOX KEEPS TRIPING OUT AS IF THE GAIN IS TO HIGH ON THE INPUT
ANYONE WHO COULD ADVICE ME I HAVE THE SOFTWARE ALREADY
THANKS JOHNNY zd8kw@qsl.net
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AA4PB
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Posts: 12893




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« Reply #1 on: November 03, 2000, 09:17:37 PM »

Many transceivers have a problem using VOX with PSK31. It is best to use a keying circuit connected to the computer serial port.
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K9CF
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Posts: 33




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« Reply #2 on: November 04, 2000, 12:31:11 PM »

Vox is also the culprit responsible for transmitting the 'Microsoft Sound' on 14070KHz when the odd computer boots up.
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VE3SRD
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Posts: 11




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« Reply #3 on: November 06, 2000, 11:47:38 AM »

Hi Johnny,

Give me some more details and I will try to help. What kind of board were you trying to use? What kind of software are you using for psk 31? What radio are you using?

Some things to think about?

If you want to key with VOX, can you adjust the level at which VOX keys the transmitter to make it key at a lower level. and therefore be more reliable?

Can you key your transmitter manually with MOX? Many transmitters can be keyed manually from the front panel. This method works quite well.

Is the software configured to actually key the proper serial port to which the board is connected? Did it ever work?

Will look forward to hearing from you.

Bob, VE3SRD
VE3SRD@rac.ca
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