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Re: LF: 500 kHz WSJT JT4A

from [Gary - G4WGT] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: 500 kHz WSJT JT4A
From: Gary - G4WGT <[email protected]>
Date: Tue, 19 Jan 2010 21:55:10 +0000
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Hi Ko,

You wrote :-
"""Not sure were the line with wrong mode came from but here's some more.

202000 27   -8  0.0 -477 31 *      TEST G4WGT IO             1   0
202200  9  -15 -0.1 -468 23 *      ***WRONG MODE?***         0   0"""

I have just had that message & it was caused by a WSPR signal in the JT4A Rx pass band.

It will probably be best to set the Tol to 200 (+/- 200Hz from centre frequency) & tick freeze so the decoder will only decode in that 400 Hz slot.

73

Gary - G4WGT.

2010/1/19 Ko Versteeg <[email protected]>
Gary - G4WGT wrote:
Hi Ko,

Thanks for the decode, not bad a -10 db at one point.

There must be a character limit on the Tx text box (Tx1) I have used as there is more than you have decoded. I will try placing the same text into the Tx6 box & see if it sends more or all.

73

Gary - G4WGT.

Hi Gary
Not sure were the line with wrong mode came from but here's some more.

202000 27   -8  0.0 -477 31 *      TEST G4WGT IO             1   0

202200  9  -15 -0.1 -468 23 *      ***WRONG MODE?***         0   0

202400 27   -5 -0.1 -477 31 *      TEST G4WGT IO             1   0

202600 18   -7 -0.2 -477 33 *      TEST G4WGT IO             1   0

202800 20  -11  0.0 -477 33 *      TEST G4WGT IO             1   0

203000 22   -7 -0.1 -477 33 *      TEST G4WGT IO             1   0

203200 22   -9 -0.1 -477 33 *      TEST G4WGT IO             1   0

203400 19   -9  0.2 -477 32 *      TEST G4WGT IO             1   0

I hope the jpg is not to big.

73 Ko

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