rtl_udp is a copy of rtl_fm with a special feature: It opens a udp control port (currently fixed to 6020) which takes commands like changing the frequency or mode. No need to restart :)

Credits & original code by Olgierd Pilarczyk

##Usage:

python script udpclient.py for easy operation included.

possible commands:

• freq (./udpclient.py freq 101900000)
• mode (./udpclient.py mode 0 (for fm))
  • 0 = FM
  • 1 = AM
  • 2 = USB
  • 3 = LSB
• squelch (./udpclient.py squelch 0)
  • 0 = OFF
  • n = Value
• gain (./udpclient.py gain auto)
  • auto = Automatic
  • n = Gainvalue; 195 = 19.5db
• agc (./udpclient.py agc 1)
  • 0 = OFF
  • 1 = ON

##Todo:

• configureable address & port
• UDP streaming for PCM data

##Original RTL-SDR Source:

For more information see: http://sdr.osmocom.org/trac/wiki/rtl-sdr