[Skimmertalk] My QS1R died during CQ WW CW
Pete Smith N4ZR
n4zr at contesting.com
Tue Dec 2 16:29:11 EST 2014
I noticed something similar here, but thought I was just having antenna
problems. I don't recall that things were particularly busy at that
time, though, so maybe it was just my antenna.
73, Pete N4ZR
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On 12/2/2014 3:42 PM, W3OA wrote:
> Hi Bob -
> I also had a problem with SkimServer/QS1R during CQWW. Don't know if
> it's related to your problem.
> I was running 192 Khz on the six contest bands and I noticed that
> periodically the number of decoders shown would drop drastically to
> practically zero. Some times that number would go back up to normal
> values but other times it didn't. I tried restarting SkimServ and
> cycling the QS1R power but neither prevented the problem from
> recurring. I finally cured the problem by dropping to just five
> bands, still at 192 Khz.
> I suspect this may be a power problem. I do have the bigger power
> supply Phil sells for use with SkimServ. Maybe there were so many
> signals on the bands that our QS1Rs worked harder than ever before.
> 73 - Dick, W3OA
> [Skimmertalk] My QS1R died during CQ WW CW.eml
> [Skimmertalk] My QS1R died during CQ WW CW
> "Bob Wilson, N6TV" <n6tv at arrl.net>
> 12/2/2014 11:21 AM
> SkimmerTalk Reflector <skimmertalk at contesting.com>
> It appears that my QS1R had a hardware failure just after 0947z November
> 30th (during CQ WW CW), after it ran Skimmer Server continuously for a
> couple of days.
> Rebooting Windows and power cycling the SDR makes no difference.
> Skimmer Server reports an error and repeats "Reloading FPGA." CW
> reports "FpgaCommand/usb_control_msg failed." HDSDR reports "Cannot read
> from SDR".
> The red PWR LED on the QS1R is lit, and the USB device is detected OK by
> the Windows device manager (under "libusb-win32 devices/QS1R Direct
> Sampling Receiver", so I suppose the power supply is OK (it's the 2A
> Maybe it overheated? Time for a new QS1R board? It's an older one,
> not of
> recent generation. Has anyone else on this list experienced a similar
> Bob, N6TV
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