[hfsig] Sidebands on Raspberry Pi WSPR carrier

Zoltan Doczi zoltan.doczi at gmail.com
Sun Sep 4 14:09:09 CDT 2016


A quick test to use WiFi connection to RPi instead of ethernet cable.

73,
Zoltan

On Sun, Sep 4, 2016 at 8:34 PM, Orrin Winton <orrin.winton at gmail.com> wrote:

> Using my Pi2B with the "shield" board, as i say i hear what i'm calling
> "grunge" across the room in another receiver. I then monitored with wsjt-x
> set to wspr-2. There are lines in the waterfall every 60 Hz, both sides of
> the main signal, with stronger ones every 120 Hz (especially on the upper
> side of the main one), but they are all down at least 15dB. A total of
> three (including the main one) were decoded.
>
> Again, this is monitoring the Pi output from 20 feet away with no antenna
> on the monitor.
>
> Later today i will try to get a screenshot.
>
> Orrin WN1Z
>
>
>
> On Sun, Sep 4, 2016 at 11:18 AM, Brad Farr <taprsig at unsupported.org>
> wrote:
>
>>
>> On Sep 4, 2016, at 11:00 AM, Ron Ott wrote:
>>
>> Is you RPi in a separate box, away from the monitor?
>>
>>
>> It isn't in a box, nor is it connected to a monitor. But it is on top of
>> other computer equipment.
>> How much physical separation from other electronic equipment would I need
>> to make a difference?
>>
>> Thanks,
>> Brad
>>
>>
>>
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>>
>
>
> --
> "Montanyas kon montanyas no se aserkan; solo personas kon personas."
> --Ladino proverb
>
>
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