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Re: LF: ROS 503.600kHz beacon

from [Gary - G4WGT] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: ROS 503.600kHz beacon
From: Gary - G4WGT <[email protected]>
Date: Sun, 2 May 2010 10:29:37 +0100
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Hi All,

Thanks for the reports & QSO attempt.

Michel - F5WK
Nicolas - F4DTL
Rik - OR7T/ON7YD
Gerhard - DK6NI
and
Jim - M0BMU for QSO attempt which produced 2 full frames on my ROS display, sorry Jim but I had just left the shack & gone downstairs & missed your call :-

TX1: <21:10 UTC> G4WGT TEST IO83QO  <STOP>
RX1: <21:12 UTC> <43.9 Hz> G4WGT DE M0BMU HW? KKK <STOP> <-18 dB>
RX1: <21:18 UTC> <43.9 Hz> G4WGT DE M0BMU HW? K <STOP> <-18 dB>

Perhaps tonight Jim.

73

Gary - G4WGT


On 2 May 2010 00:12, Michel F5WK <[email protected]> wrote:
Hello Gary,

Good conditions tonight:

RX1: <20:15 UTC> <-344,7 Hz> G4WGT TEST IO83QO  <STOP> <-29 dB>
RX1: <20:20 UTC> <-344,2 Hz> G4WGT TEST IO83QO  <STOP> <-25 dB>
RX1: <20:25 UTC> <-344,2 Hz> G4WGT TEST IO83QO  <STOP> <-30 dB>
RX1: <20:30 UTC> <-344,2 Hz> G4WGT TEST IO83QO  <STOP> <-15 dB>
RX1: <20:35 UTC> <-344,2 Hz> G4WGT TEST IO83QO  <STOP> <-19 dB>
RX1: <20:40 UTC> <-344,2 Hz> G4WGT TEST IO83QO  <STOP> <-18 dB>
RX1: <20:45 UTC> <-343,8 Hz> G4WGT TEST IO83QO  <STOP> <-21 dB>
RX1: <20:50 UTC> <-343,8 Hz> G4WGT TEST IO83QO  <STOP> <-17 dB>
RX1: <20:55 UTC> <-343,8 Hz> G4WGT TEST IO83QO  <STOP> <-26 dB>
RX1: <21:00 UTC> <-343,8 Hz> G4WGT TEST IO83QO  <STOP> <-19 dB>
RX1: <21:05 UTC> <-343,8 Hz> G4WGT TEST IO83QO  <STOP> <-18 dB>
RX1: <21:10 UTC> <-343,3 Hz> G4WGT TEST IO83QO  <STOP> <-16 dB>
RX1: <21:12 UTC> <-111,8 Hz> 5? Z%A%EJ4$T9_*>>LS1^8TIB <CANCEL> <-36 dB>
RX1: <21:18 UTC> <-299,3 Hz> G4WGT DE M0BMU HW? K <STOP> <-12 dB>

ROS didn't decode the first transmission of M0BMU at 21:12 UTC which was
really strong at that time (S5 with an average S1 noise level)
It looks like ROS synchronized on another transmission instead (G0NBD ?)
and once locked, cannot decode another simultaneous transmissions.

73

Michel - f5wk

> Hi LF,

> Again running ROS v3.5.1 data mode beacon in EME mode with a little more power.

> Tx frequency 503.600 kHz
> Dial 502.050 kHz USB
> Tx power 10 watts
> ERP estimated 50 mW
> 5 minute increments

> Reports & QSO attempts welcome.

> 73

> Gary  - G4WGT



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