Re: PSK 31 question


From: John R Kirby (
Date: Fri Sep 21 2001 - 06:08:29 CDT

disable ALL radio "speech" processing (VOX, CLIPPER and etc).

There is a "half power " (the antenna tuner meter will work), "two tone"
(data vs no data) test that comes with most PSK31 software that must be
The two tone half power test provides a SSB technique for data (audio)
level adjustment from the PC sound card to the radio input port.
At the radio voice input there may be two choices for input, 1) the MIK
port and 2) the LINE port . . .
I suggest, use the LINE port else an external attenuator (also shown in
the PSK software HELP file) is required if the MIK port is used else the
radio may be overdriven.

I run PSK31 with NO interface between the radio and PC,
I use LINE ports on both the radio and PC.

I will be glad to answer any 'other' specific questions . . .

PSK31 is an O U T S T A N D I N G QRP (weak signal) mode.

Enjoy . . .

FM 19 xa

On Thu, 20 Sep 2001 16:03:13 -0400 "Charles Mabbott"
<> writes:
>Have a friend of mine who said when he is running PSK31
>that he cannot run full power. Must dial the rig back to
>10 watts or less.
>If he runs full power is burns up rig. Not sure what
>PSK device he is using
>Rig and antenna system work fine without PSK in between.
>Any ideas? I will pass information along to him.
>Thanks in advance,
>Chuck Mabbott
>42 19' 52" N 83 28' 32" W
>Grid Square EN82gh
>Home Page:
>FP-113 MI-QRP#1212 Firebirds #2117 SOC #445

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