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LF: [500] : Olivia 8 x 250 / psk31 / MFSK 8 503 CENTER BEACON - RUNNIN

To: <[email protected]>
Subject: LF: [500] : Olivia 8 x 250 / psk31 / MFSK 8 503 CENTER BEACON - RUNNING NOW - 1615 HRS
From: "Dave G3WCB" <[email protected]>
Date: Sat, 3 Jan 2009 19:54:45 -0000
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Graham,

Copied this just now. MultiPSK Olivia 8-250 mode

73, Dave G3WCB IO91RM nr Windsor, S.E. England

 CQ CQ CQ DE...gnbd  g0nbd  g0nbd
 CQ CQ CQ DE...g0nbd  g0nbd  g0nbd
 CQ CQ CQ DE...g0nbd  g0nbd  g0nbd  kk



-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Graham
Sent: 03 January 2009 16:25
To: [email protected]
Subject: LF: Olivia 8 x 250 / psk31 / MFSK 8 503 CENTER BEACON - RUNNING
NOW - 1615 HRS


Follow on from last night , As the olivia system transmits tones in parallel
it requires a linear system,   however , MFSK is a single tone phase
continuous  system , I am using   three applications of  multipsk running on
the same pc in beacon mode

8 tones are selected on the two modes  psk31 is added as a reference signal
and is not expected to  print as reliably

All  3 modes are the same peak power level , set at the agc threshold ..
about 10 watts per system at the moment . there may be a small change in
level as each mode starts and stops , the differing beacon lengths' are
resulting in the tx windows slowly shuffling.

Note , the station is in continuous  TX due to  vox audio  drive levels
producing alc preventing the power levels to  be normalised

Running  3 mode beacon

Dial set   502 khz usb

1000 hz  center   olivia  8 x 250 hz

1250 hz   psk31

1500 hz  MFSK  8

Reports  welcome

Graham

G0NBD

Io83LK





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