[hfsig] 20M WSPR Raspi Board issue

N7QNM n7qnm-lists at nwlink.com
Mon Jul 11 10:40:16 CDT 2016


Just tried the board with a better antenna and it seems to be working fine – I can decode locally with no issues and the signal sounds/looks (on my P3) a lot better.

 

I put the PI/TAPR Board and a POE adaptor in a waterproof Gantex box, with a 20M dipole made of fence wire.   This afternoon, it’s going up on the pergola above our deck, with the dipole in a bit of a Vee (10 degrees or so off 10 degrees) and we’ll see how it gets out.    I have a solar powered weather station on a mast in the back yard – thinking about deploying it there as an inverted V – there’s plenty of power.

 

Clay

N7QNM



 

From: hfsig [mailto:hfsig-bounces at tapr.org] On Behalf Of Yahoo
Sent: Friday, July 8, 2016 1:48 PM
To: TAPR HF Modes SIG Mailing List <hfsig at tapr.org>
Subject: Re: [hfsig] 20M WSPR Raspi Board issue

 

I will add my two cents in... My board worked fine and is now live on 20. 

Did you tune around 14.071 freq a couple of kc's to see if you hear a tone but off a bit?

Tom ka8huz

Sent from my iPad


On Jul 8, 2016, at 3:59 PM, N7QNM <n7qnm-lists at nwlink.com <mailto:n7qnm-lists at nwlink.com> > wrote:

Hi, Mike – I’m having a similar issue – when I transmit; I see broadband noise (freq +/-  5Khz) and hear no tones, buts a really raspy buzz.  At first, I thought it was a power supply (POE), so I tried using a 12V battery supply with an in-line regulator,  still the same.   I’m guessing that I’m hearing the “raw” GPIO output; but wondering why.

 

Thanks in advance!

 

Clay

N7QNM

 

 

From: hfsig [mailto:hfsig-bounces at tapr.org] On Behalf Of Mike Myers
Sent: Friday, July 8, 2016 11:27 AM
To: hfsig at tapr.org <mailto:hfsig at tapr.org> 
Subject: [hfsig] 20M WSPR Raspi Board issue

 

Good afternoon everyone,

 

   I recently purchased the Raspi 20M WSPR board and over the past weekend put it on a raspi.  I followed the instructions on the tapr website for installation and put on Wsprrypi following the guide.  When I run the command line in the document, it says it is transmitting but listening on the frequency I hear nothing.  I tried putting a power meter in 5 watt mode to see if the needle would even move and no luck.

 

I am not quite sure how to debug and wondering if anyone can point me in the correct directions.

 

Thank you!


 

-- 

 

 

Mike Myers

netnutmike at gmail.com <mailto:netnutmike at gmail.com> 

K3DO

 

http://mikemyers.me

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