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public:radio:radio_database:ic-r75

Rig and Key List

Icom IC-R75

Details

Repairs / Mods

  • -5V DC/DC converter
    • various capacitor failures
  • “Turn Off” fault - due to overheating of 13V regulator
    • Cured by
      • Reduce input voltage to 13.8V
      • Improve heatsinking of regulator IC to chassis

Remote Control

  • connected to shack server via RS232
  • shack server running Python netradio server.py to give TCP/IP network control
  • laptop PC running Python netradio client.py to give user access
    • Available controls:
      gm4slv@laptop:~/Python/PythonProjects/netradio $ python2 client.py
      There are currently 1 radios connected.
      =================================
      Status of Radio 1 (IC-R75)
      
      Frequency : 391.000 kHz
      Mode: CW
      S-Meter: -113.0dBm
      1 : 0
      =================================
      
      Please choose a radio
      
      There are currently 1 radios connected.
      Radio 1 is IC-R75
      Choose a radio number from the list : 1
      
      The available commands are:
      lr   : List Radios
      sr   : Select the Radio to control
      gr   : Get currently selected Radio name
      gm   : Get Mode
      sm   : Set Mode
      gf   : Get Freq
      sf   : Set Freq
      gs   : Get S-meter
      gp   : Get Pre-amp
      pon  : Set Pre-amp On
      poff : Set Pre-amp Off
      gatt : Get Attn
      aton : Set Attn On
      atoff: Set Attn Off
      ga   : Get All (status of all radios)
      sync : Sync freq/mode on two radios
      log  : Setup background logging to file
      h    : Help (show this command list)
      q    : quit
      
      IC-R75 >
  • audio via network using PicoPhone
    • running on shack laptop via Wine
    • running on Windows laptop natively

Remote control is achieved via a SSH connection to shack laptop to run the netradio client.py and the RX audio can be heard via PicoPhone.

Documentation

Further Reading

server.py

Code....

icom.py

Code ...

conf.py

Code ....

client.py

Code ....

Page Info

Page created Wed May 25 00:06:01 2022 by John Pumford-Green

Page last updated: 02/05/24 08:05 BST

public/radio/radio_database/ic-r75.txt · Last modified: 02/05/24 08:05 BST by john