[Skimmertalk] "Dongle Server" image available

N4ZR n4zr at comcast.net
Thu Feb 1 21:34:40 EST 2018


To clarify, rate = x in the ini file sets the bandwidth to be covered 
(rate = sampling rate).  0=48 KHz, 1=96, and 2=192.

73, Pete N4ZR
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On 2/1/2018 6:37 PM, tim04 at swandhams.com wrote:
> Hi Bob,
> It needs a bit more work to confirm what's happening, but I've just 
> got the CW SkimSrv locked to the RTP_HPSDR .
> I changed the line in the [Skimmer] section from "Rate=0" to 
> "Rate=2".  Not sure what the value of 0 means.
> The error message "Too many receivers selected" (which has been there 
> for many weeks) finally makes sense.
> When I selected only one band to scan in the GUI, it was fine - two 
> check-marks at the bottom of the window !
> RTTY Server isn't quite as obliging and failed to work, but it seems 
> to be very similar in parameters, although the GUI is not the same.
> It's too late here to continue tonight - more work tomorrow.
> Many thanks for the help.
> 73
> Tim  G4FJK
>
> PS - Thanks John, as well.  Yes, I'm starting to understand all you 
> say, and will tail the log file tomorrow.
> 73
>
>
>
> On 2018-02-01 21:55, Bob Wilson, N6TV wrote:
>> Tim,
>>
>> On Windows, did you edit
>>
>>> %APPDATA%\AFREET\PRODUCTS\SKIMSRV\SKIMSRV.INI
>>
>> before starting the program?  Lines in that file define how many
>> receivers are expected to be accessed and available in the HPSDR
>> emulation.  Start with just two receivers selected.
>>
>> For example, on HF with eight receivers, I have these critical lines
>> (in addition to all the others in the file):
>>
>> [Skimmer]
>> Rate=2
>>
>> CenterFreqs192=1891000,3591000,7091000,10191000,14091000,18159000,21091000,24981000,28091000,50091000 
>>
>> SegmentSel192=0011111111
>>
>> 73,
>> Bob, N6TV
>> On Thu, Feb 1, 2018 at 1:24 PM, <tim04 at swandhams.com> wrote:
>>
>>> Hi John,
>>> Many thanks for uploading that image of the RTL_HPSDR server.
>>>
>>> My first RPi arrived yesterday and booted OK, and after some
>>> inevitable messing-about, I've got the RTL_HPSDR s/w running OK,
>>> with WiFi (not Ethernet) and a LAN address from my DHCP server on
>>> the ADSL router.
>>>
>>> I have CW Skimmer Server and RTTY Skimmer Server on a PC also
>>> networked via WiFi, and on that PC when either running the CW or the
>>> RTTY server looking for a Hermes RX, I get similar entries in the
>>> RTL_HPSDR log file.
>>> Both RTTY and CW skimmers report "SDR Failure: Too many receivers
>>> selected"
>>> (Sorry that I can't cut/paste from RPi to this PC.)
>>>
>>> Excerpt from RTL_HPSDR log file on the RPi -
>>> "Revealing myself as a Hermes version 2.6 rcvr. -- Skimmer Mode
>>> My IP Address: 192.168.0.115
>>> ..............
>>> Was discovered by 192.168.0.76
>>> Sent discovery acknowledgement
>>> ..............
>>> Received Stop command
>>> Received Stop command
>>> "
>>> And then it restarts and goes round again .....
>>>
>>> In CW Skimmer Server, in the Skimmer tab selected Receiver dropdown,
>>> the options shows as
>>> "01 RTLdngl v26 99:b0"
>>> where "99:b0" just happens to be the last four digits of the WiFi
>>> Mac address on the RPi.
>>>
>>> So can anyone offer any advice ... I feel I'm almost there, but
>>> restarting either piece of s/w hasn't come up with a connection yet.
>>>
>>> Thanks in advance.
>>>
>>> 73
>>> Tim Hugill
>>> G4FJK
>>>
>>>
>> _______________________________________________________________________________ 
>>
>>>
>>> [Skimmertalk] "Dongle Server" image available
>>> John Ackermann N8UR jra at febo.com [1]
>>> Fri Jan 26 16:13:00 EST 2018
>>> •Previous message (by thread): [Skimmertalk] VHF RBN Update
>>> •Next message (by thread): [Skimmertalk] Red Pitaya 14:1 HF
>>> transformers finally available again
>>> • Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
>>>
>>> If anyone would like a (fairly) painless way to play with N1GP's
>>> rtl_hpsdr software that makes a bunch of RTL-SDR dongles look like
>>> an
>>> HPSDR Hermes with up to 8 receivers, I've uploaded a plug-and-play
>>> image
>>> file to http://febo.com/pages/os_images/ [2]
>>>
>>> You should be able to unzip it, load to a 2GB SD card, stick in a
>>> Raspberry Pi 3, and go to town.  No warranties express or implied...
>>>
>>> (I also uploaded to the same folder an image file for an RPi 2 with
>>> GPS
>>> working as an NTP time server, if anyone's interested in that.  And
>>> soon
>>> to come is a P25 scanner that also runs on an RPi using an RTL-SDR
>>> dongle.)
>>>
>>> 73,
>>> John
>>>
>>> _______________________________________________
>>> Skimmertalk mailing list
>>> Skimmertalk at contesting.com
>>> http://dayton.contesting.com/mailman/listinfo/skimmertalk [3]
>>
>>
>>
>> Links:
>> ------
>> [1] http://febo.com
>> [2] http://febo.com/pages/os_images/
>> [3] http://dayton.contesting.com/mailman/listinfo/skimmertalk
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