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From: "Graham" <g8fzk@g8fzk.fsnet.co.uk>
To: <rsgb_lf_group@blacksheep.org>
References: <BLU180-W3599B1565E284475140856AC880@phx.gbl> <FDFA7A9AB6214889B399AB2581E1A9E1@White>,<09CBF6F5A30645C89573F58EC61B6748@AGB> <BLU180-W228FE46A8DAB464DBC2C66AC880@phx.gbl> <5318F935.6040608@gmail.com> <011801cf3997$10703df0$3150b9d0$@comcast.net>
In-Reply-To: <011801cf3997$10703df0$3150b9d0$@comcast.net>
Date: Fri, 7 Mar 2014 00:01:13 -0000
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Subject: Re: LF: New OPERA OP/OPDS 2H tonight on 27.945 Dial Freq... ?
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includes  frequency modulation ??

Only  if  the  vfo  drifts  hihi

Opera is a  single  tone  ON-OFF  keyed  signal - true  data  mode , the 
only  one that  can be  sent  via  a CW
tx

Decoder  has  AFC , so  Tx/Rx are  able to  drift  , within limits

Good Luck  - 73 - G,

--------------------------------------------------
From: "hvanesce" <hvanesce@comcast.net>
Sent: Thursday, March 06, 2014 11:51 PM
To: <rsgb_lf_group@blacksheep.org>
Subject: RE: LF: New OPERA OP/OPDS 2H tonight on 27.945 Dial Freq... ?

> Bob,
>
> Rob Moore at the University of Florida has a wide network of VLF receivers
> in continuous operation. He would like to look for your signal tonight. I
> told him you'd be on 29499.0,  is that correct? I think I see your signal 
> in
> Paul's grabber (at 29499.0), but I'm not clear on whether OPDS 2H includes
> frequency modulation, and it would be helpful for Rob to know that.
>
> 73,   Jim AA5BW
>
> -----Original Message-----
> From: owner-rsgb_lf_group@blacksheep.org
> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Dexter McIntyre
> W4DEX
> Sent: Thursday, March 6, 2014 3:40 PM
> To: rsgb_lf_group@blacksheep.org
> Subject: Re: LF: New OPERA OP/OPDS 2H tonight on 27.945 Dial Freq... ?
>
> Bob Raide wrote:
>> Markus;
>> If I transmit on 29.520 leave dial at 27.945 put dex at 29.525 should
>> be good???
> Bob,
>
> I wont be on tonight.  Antenna is still tuned on 33.9, it's 0 deg C and
> drizzling rain.  Hamfest tomorrow and Saturday so it may be Sunday before
> I'm back on.  I'll be watching your Opera reports.  I'm sure there will be
> many.  GL
>
> Dex
>
>