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Re: LF: 3 mode Beacon 503.00 502.700 503.2 1800 gmt > later

To: [email protected]
Subject: Re: LF: 3 mode Beacon 503.00 502.700 503.2 1800 gmt > later
From: Rik Strobbe <[email protected]>
Date: Sun, 10 May 2009 23:23:11 +0200
In-reply-to: <2149FAD3D3B349DA8DD2D9B692522EEE@AGB>
References: <006e01c9d0e4$d6af66b0$6401a8c0@asus><5086F7980B3E4BB0AF60D8620D735B5E@JimPC><008901c9d0ea$1dc16cb0$6401a8c0@asus><61ECB87CADD94B23BE3BBFF76DBCE7C3@AGB><4C4336FD5157446E84F89E666407F64C@AGB><1FD7913FE62A449BA85637178BF518B1@AGB> <[email protected]> <2149FAD3D3B349DA8DD2D9B692522EEE@AGB>
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Gary,

despite that there is no copy in MFSK4 this signal sound much stronger than the Throbx2 and psk31 signals.
Idem on the G3YXM grabber: MFSK4 look brighter than the other 2.
Looks as if the power is not the same.

73, Rik  ON7YD - OR7T

Quoting Graham <[email protected]>:

Ok Rik,

Well see what prints with this beacon, Im running   Fldigi  x 3 times
on the same pc , Gary is running the  same for  rx and reports all is
ok with the system ...

tnx- G ..


--------------------------------------------------
From: "Rik Strobbe" <[email protected]>
Sent: Sunday, May 10, 2009 8:40 PM
To: <[email protected]>
Subject: Re: LF: 3   mode Beacon 503.00 502.700  503.2    1800 gmt  > later


Hello Graham,

thanks for the QSO's last night.
Under current conditions (lot of QRN and QSB) ThrobX2 seemes a bit better than
PSK31. MFSK4 wouldn't print last night.
The night before it was the same until all the sudden I had a perfect print.
Maybe tuning / synchronisation is rather critical for MFSK4.
The bandwidth of MFSK4 seems about 150Hz, so i will not use it for transmit.
PSK31 and ThrobX2 are well below 100Hz.

I will try to decode the signals starting 21:00 UTC.

73, Rik  ON7YD - OR7T

Quoting Graham <[email protected]>:

Final set up  , power ~ 30 watts per stream
same text , 60 sec repeat ..


PSK31    Cent audio    2200 Hz    =      503.20k     cent  rf

MFSK4    Cent Audio    2000  Hz    =    503,00k     cent  rf

ThrobX2 Cent Audio    1700   Hz    =    502.70 k   cent rf


Thanks for  reports via email, throb, is showing well as it  has 'no'
lock up  time ?

Graham

--------------------------------------------------
From: "Graham" <[email protected]>
Sent: Sunday, May 10, 2009 7:40 PM
To: <[email protected]>
Subject: LF: 3   mode Beacon 503.00 502.700  503.2    1800 gmt  > later


All,

Just added  psk31  on  2200 hz audio

G ..

--------------------------------------------------
From: "Graham" <[email protected]>
Sent: Sunday, May 10, 2009 7:18 PM
To: <[email protected]>
Subject: LF: Dual mode Beacon 503.00 502.700  1800 gmt  > later


All

Running  MFSK 4  and ThrobX2

Tx set

Dial        501.000
mode    usb

FLDIGI  software

PSK31    Cent audio    2200 Hz

MFSK4    Cent Audio    2000  Hz

ThrobX2 Cent Audio    1700   Hz

Power 40 watts per stream
Running  loop  at 60 seconds repeat

No rx due to  drive below vox/alc level

Reports welcome

Graham

G0NBD / IO83LK









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