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Re: LF: OP8 on 478.477 kHz

from [Markus Vester] [Permanent Link][Original]
To: <[email protected]>
Subject: Re: LF: OP8 on 478.477 kHz
From: "Markus Vester" <[email protected]>
Date: Fri, 14 Nov 2014 02:20:46 +0100
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20140625; t=1415928055; bh=dqwKXvonibp8S4SXam0zFQKOyOprrUyt7hr5IZLvpRg=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=ZldU5Y9nG4aeNl++orpN/4pRI8Kms3YMhn9THCIrjHFaJ/aP/0vJo8JXnJpWMrpze vpQTclhyU9IloAzIG1Qy5DZDsN3u4SGRhjBbDnZ/94J3w2NFLC4xwtKOnGJ/9/bN96 3M8Ipjv8baQhGXmCW6Bbzs6/MW/E02y168vpwb10=
Importance: Normal
References: <2798AC58C0E648CFA0FB96187FCCD7CD@AGB>, <C9A203DC79C943E7A2D55EE2395023D4@AGB>, <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
Also running both opds-8 and wspr-2 monitors tonight...
 
DF6NM JN59NJ   Opds-8 correlation  478.45 - 478.55 kHz

2014-11-14 01:11:56 VO1NA   4563km 478477.012Hz   6mHz -43.5dBOp  99% 16.0dB
2014-11-14 01:04:04 G3XDV    843km 478540.184Hz 464mHz -32.0dBOp  98% 20.1dB
2014-11-14 00:28:30 G3XDV    843km 478540.281Hz 532mHz -17.2dBOp  92% 20.0dB
2014-11-14 00:06:22 G8HUH   1019km 478545.093Hz  19mHz -30.6dBOp  94% 20.3dB
 
Best 73,
Markus (DF6NM)

Sent: Wednesday, November 12, 2014 12:43 PM
Subject: Re: LF: OP8 on 478.477 kHz

Joe,

If you want a frequency check, the OPDS systems of GW0EZY and SV8RV
are within 1Hz. See below:

https://dl.dropboxusercontent.com/u/10326787/GW0EZY-opds8-477kHz.txt

https://www.dropbox.com/s/j6384u1eopldiot/detected8.txt?dl=0

As Graham says, stability and frequency accuracy is unimportant for
Op, but if you want to take advantage of the extra few dB SNR of OPDS
receivers you will need to have high stability.

73 de Mike, G3XDV
...
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