Re: LF: More EbNaut 137.777

[jcraig@mun.ca]

Thank-you Paul,

It seems the uno shut down after 0130.  I was wondering why until
realising it was only doing what it was told.  It is now
starting the 2nd sequence and should run all night.

A RasPi is here, ready to assist.

Cheers
Joe


On Fri, 27 Nov 2015, Paul Nicholson wrote:

> Todmorden reception of VO1NA 2015-11-26/27, 5 chars 8K19A
> 2 second symbols.
>
> 22:00  7.4 dB    +1.9
> 22:30  1.8 dB    +2.3  rank 18999
> 23:00  6.3 dB    +2.5
> 23:30 10.0 dB    +2.8
> 00:00  3.2 dB    +3.0
> 00:30 11.1 dB    +3.2
> 01:00  8.6 dB    +3.5
> 01:30  1.2 dB    +3.8
> 02:00  no decode
> 02:30  no decode
>
> Wolf wrote:
>
> > not too strong 'carrier like' signal in the vincinity of
> > 137 kHz, to get a rough estimate of the local QRM level
> Are the loran sidebands any use?  Here they provide a regular
> array of markers across the band.
>
> > also not a trace of Joe's signal in a high-res spectrogram,
> > I have my doubts..
> You won't see the message signals but the carrier should be
> clear.
>
> Tomorrow I'll make a keyer program for PC and RPi.  Easy then
> to send the bits at the right time and do repeats.
>
> RX here still going, expected a flat battery by now.
>
> --
> Paul Nicholson
> --