Re: LF: RE: VLF Transmissions

[Chris Osborn <g3xiz@yahoo.co.uk>]

Hello Rik,

Thanks for the advice.

I'll set the DFCW for 60 or even 120 second elements.
Will that do ?

73
Chris G3XIZ

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From: Rik Strobbe <Rik.Strobbe@fys.kuleuven.be>
To: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
Sent: Mon, 22 November, 2010 18:28:39
Subject: LF: RE: VLF Transmissions

Hello Chris,

 

DFCW10 at 0.05Hz shift might be difficult to decode as the "natural bandwidth" of a 10 sec. dot sequence is 0.1Hz.

 

73, Rik ON7YD - OR7T

 

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Van: owner-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.org] namens Chris Osborn [g3xiz@yahoo.co.uk]
Verzonden: maandag 22 november 2010 16:13
Aan: LF Group
Onderwerp: LF: VLF Transmissions

LF,

I have permission to transmit VLF this evening and details are as follows:-

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DETAILS OF TESTS

 

Loc:         Biggleswade   IO 92 UB 

Time:       Monday 22nd November 2010   20.00 - 22.00 GMT

Freq:        8.9719 kHz

Mode:      QRSS - 10 second dot length / DFCW with 0.05 Hz shift / CW identifier at 5 wpm

Power:     Limited to 20 watts RF output (ERP unknown)

Aer:         40m inverted 'L' at 10 m above ground.


Any reports or comments are welcome.I

Regards,

 

Chris

G3XIZ