[Skimmertalk] Multiple Red Pitaya on network: -- now will not work

Wes Cosand wes.cosand at gmail.com
Sat Sep 8 19:55:45 EDT 2018


Thanks, Bob.

 I appreciate your help a great deal.

 I had tried most of that diagnostic methodology but with no success.  I'll
sleep on it and start again Monday.  My most successful thinking occurs in
the shower... chuckle...

I wish I had a network diagnostic tool better than Task Manager.

Wes WZ7I

On Sat, Sep 8, 2018 at 7:48 PM Bob Wilson, N6TV <n6tv at arrl.net> wrote:

> Sounds like Ethernet overload, or they're being connected to your Ethernet
> switch 100 Mbps instead of 1 Gbps.  Check the status lights.  Perhaps
> lightning damaged the switch?
>
> Try running just one RP, all the others powered down.  Start with CWSL_Tee
> and CW Skimmer (no RTTY Skimmer), just a few bands at 48 kHz skimming.  If
> that works, check the network traffic load using Windows Task Manager.
> Then gradually increase the number of skimmers and bandwidths.
>
> If you can't even get one CW Skimmer running with two bands on 48 kHz, it
> must be something else.
>
> Note that the write-up explains how to start the skimmers running the RPs
> automatically, with no need to use a browser to start them.
>
> http://hamsci.org/n6tv-red-pitaya-combine-cw-rtty-skimmer-hdsdr
>
> Look for rc.local.
>
> 73,
> Bob, N6TV
>
> On Sat, Sep 8, 2018 at 2:13 PM, Wes Cosand <wes.cosand at gmail.com> wrote:
>
>> Before taking a couple of months off, I had three Red Pitaya units, each
>> on
>> a dedicated PC, running Skim Server, RTTY Skimmer, and WSJT.  All the
>> radios were off during my absence, disconnected from the antennas and
>> power.
>> The router remained running and after returning from vacation the dynamic
>> IP addresses had changed.
>>
>> Now things have failed.  I would start Skimmer Server (which includes the
>> MAC address in the ini file) and I would get an error message – something
>> about too many receivers.  I can ping the units.  Initially I could
>> access
>> the units with  a browser, keep it open and start skim server and this ran
>> successfully on all three machines overnight the next morning the units
>> failed.  Now the behavior is different.  If I reboot the computer and the
>> RP and then start skim server I get the message “Can’t locate HPSDR
>> device”.  If I access the unit with a browser and then start skim server I
>> get “SDR failure – Timed out waiting for UDP data”.
>>
>> What is weird is that often it is clear the receiver and Skim Server is
>> working for several seconds, reporting appropriate numbers of decoders,
>> then the Skim Server dialogue box will get a red check and throw the
>> “timed
>> out” error message for a few seconds, and then return to receiving.
>>
>> All three units demonstrate similar behavior.  I don’t think I could have
>> messed up configuration files on three machines simultaneously.  All three
>> of the RP are on an Ethernet switch along with two of the three PCs.  The
>> computers are a mixture of Windows 7 and 10.
>>
>> I may be too senile to successfully run this hardware and am just doing
>> something totally stupid.  Pretty frustrated at the moment.
>>
>>
>> Wes, WZ7I
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>
>

-- 
Wes Cosand
6299 Route 413
PO Box 349
Pipersville, PA 18947


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