Hermes

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Thanks to Andrea for providing the Hermes backend for ghpsdr3-alex. Here is how you start the server from the command line.

$ hpsdr-server --samplerate 48000 --hermes 16 --interface eth2

Note:

  • you can use 48000, 96000, 192000, or 384000 for the --samplerate parameter.
  • the --hermes parameter is how much power Hermes will put out on transmit. The values go from 0 to 255.
  • the --interface parameter is the network interface that is connected to the same local area network that Hermes is connected to. It may be eth1, eth2, etc. or wlan1, wlan2, etc. You can figure out what it is by using the ifconfig command at the terminal as follows:
$ ifconfig
eth9      Link encap:Ethernet  HWaddr 5c:26:0a:45:28:7b  
         inet addr:192.168.2.157  Bcast:192.168.2.255  Mask:255.255.255.0
         inet6 addr: fe80::5e26:aff:fe45:287b/64 Scope:Link
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:1877498 errors:0 dropped:0 overruns:0 frame:0
         TX packets:2572794 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000 
         RX bytes:881124281 (881.1 MB)  TX bytes:3414696100 (3.4 GB)
         Interrupt:20 Memory:f6900000-f6920000 
lo        Link encap:Local Loopback  
         inet addr:127.0.0.1  Mask:255.0.0.0
         inet6 addr: ::1/128 Scope:Host
         UP LOOPBACK RUNNING  MTU:65536  Metric:1
         RX packets:7758949 errors:0 dropped:0 overruns:0 frame:0
         TX packets:7758949 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0 
         RX bytes:4143306543 (4.1 GB)  TX bytes:4143306543 (4.1 GB)
wlan2     Link encap:Ethernet  HWaddr 18:3d:a2:10:95:80  
         inet addr:192.168.2.250  Bcast:192.168.2.255  Mask:255.255.255.0
         inet6 addr: fe80::1a3d:a2ff:fe10:9580/64 Scope:Link
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:3622385 errors:0 dropped:2 overruns:0 frame:0
         TX packets:1970372 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000 
         RX bytes:4139564914 (4.1 GB)  TX bytes:1254030073 (1.2 GB)

In this case either eth9 or wlan2 could be used because my Hermes is on the 192.168.2.x network. The eth9 is an ethernet connection and wlan2 is a wireless connection.