Re: LF: OP8 on 478.477 kHz

[jcraig@mun.ca]

Hi Markus,

Thanks for this.  I'll be watching tonight!

73
Joe

On Fri, 14 Nov 2014, Markus Vester wrote:

> 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
>
> https://dl.dropboxusercontent.com/u/26404526/opds.htm
>
> Best 73,
> Markus (DF6NM)
>
>
> From: Mike Dennison
> Sent: Wednesday, November 12, 2014 12:43 PM
> To: rsgb_lf_group@blacksheep.org
> 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
> ...