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HermesIntf.dll should be saved to the SkimSrv program directory. e.g. C:\Program Files (x86)\Afreet\SkimSrv (see http://www.dxatlas.com/skimserver/) The Interface will attach to the SDR that responds first to the Discovery Packet. However, it's possible to "lock" the DLL to a particular MAC or IP address. To do that HermesIntf.dll should be renamed as follows: HermesIntf_<sdr ip addres>.dll e.g. HermesIntf_192.168.111.222.dll -or- HermesIntf_<last 2 bytes of the MAC>.dll eg. HermesIntf_693c.dll, HermesIntf_0B63.dll etc This is useful if you have multiple boards. Note CWSL_Tee.dll works only with the MAC address filters. You can save multiple copies of the DLL in the skimserver directory for connecting to different SDRs. They will appear as separate entries in the Receiver dropdown list Supported sample rates/receivers: 48/96/192 Khz Hermes: - Firmware version 1.8 - 7 receivers - Firmware version 2.4,2.5 - 5 receivers - Firmware version 2.9 - 4 receivers - Other revisions: defaults to 4 receivers Hermes Lite: - 8 receivers with BeMicro CV A9 and N1GP firmware Red Pitaya - 6 receivers with http://pavel-demin.github.io/red-pitaya-notes/sdr-receiver-hpsdr/ Angelia: - 7 receivers Griffin: - 2 receivers Metis: - 2 receivers N1GP RTL dongle in HPSDR emulation mode: - up to 8 receivers, depending on the number of connected dongles Afedri single and dual channel (firmware 228e and up), HPSDR emulation mode: - 1 or 2 receivers The ADC overload is managed using the following algorithm: In case of an ADC overflow the step attenuator is incremented by one db every 100ms until the overload goes away or we run out of the attenuation range. In the absence of overload the attenuator is decreased 1db every 10s, until it's back to zero or the overflow bit re-appears. In a high power environment the ATT will "teeter" +/-1db every 10s... PTT bit: Samples with the PTT bit ON are not sent the skimmer and the ADC overflow is ignored. This prevents the skimmer from starting too many threads and trying to decode junk. also keeps CPU and memory consumption under control. If you TX on another radio while the skimmer server is running, you can tie its PTT-out to pin 26 on the Hermes J16 connector. Not yet implemented: - a small GUI window with status info - warning on packet loss or ADC overload With the RBN aggregattor software you can monitor the quality of your spots by telnetting to: telnet arcluster.reversebeacon.net 7000 Set cluster filter to: set/dx/filter spotter=yourcall See this link for more details: http://dayton.contesting.com/pipermail/skimmertalk/2013-August/001215.html Merucry/Angelia support - should work but I no reports yet Please send feedback to gokoyev+k3it@gmail.com 73 K3IT ========================================== CHANGES ========================================== 16.6.27 - add support for Red Pitaya 16.3.5 - remove slave mode 15.7.9 - 8 channel Hermes Lite support https://groups.google.com/d/msg/hermes-lite/N130G9MEJwE/wfg05AgXrrUJ 14.8.13 - Support for more hardware and firmware combinations, improved logging 13.9.3 - added filtering by MAC or IP address (see above) 13.8.24 - fixed sample format conversion error(!) 13.8.23 - Hermes/Angelia - adjust 31db step attenuator(s) in response to ADC overload. 100ms/10s/db timing 13.8.22 - Do not send samples to skimmer when PTT bit is ON (pin 26 J16) 13.8.21 - improved AutoDiscovery on "multi-homed" PCs 13.8.19 - initial version Code snippets TNX to: Peter Parýzek (USRP code for skim server), VE3NEA, W7AY, openHPSDR list, Wireshark plugin: NH6Z ... ... too many to list :)
Source: readme.txt, updated 2016-06-27

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