Win 32 Disk Imager This tool is very handy for reading and writing images to SD and CF cards as well as USB drives. WinSCP File Manager This is handy for editing files in Linux without using the command line Angry IP Scanner Used for scanner IP address ranges and discovering pingable devices on a network and listing them. PuTTY SSH and Telnet Client The title kind of says it. You can use this to communicate with your node computer and RTCM/Voter Board. Microchip MPLAB v8.66 Developement Environment If you are building your own voter board, you will need this to program the bootloader into a blank processor. Microchip MPLAB C30 Compiler Version 3.30C This is needed if you wish to edit the Voter Board/RTCM firmware code or the PCGM/PGM code and then compile it so it can be written to the device. When installing, use the LITE version. ENC Loader Software to load the firmware into the RTCM or Voter board. DOS BOX MS-DOS Emulator This can be used to run old programming software on Windows 7/8/10 and 11 for radios such as the Motorola Maxtrac, GM300 and M120. Lady Heather's Disciplined Oscillator Control Program This is a very handy program for observing the GPS data from a GPS receiver. This program works with both NMEA and TSIP GPS receivers. It uses a serial port to read the data from a GPS receiver. NGREP Linux packet inspection tool This is Network GREP for Linux. In order to use this tool you will most likely need to install it. For HamVoIP installations which are based on ArchLinux you can use this command: pacman -S ngrep and for Raspbian, Armbian or Debian installations: apt-get install ngrep This is a handy tool for inspecting packet traffic on an Ethernet interface. This Linux tool has a bunch of troubleshooting uses and It's useful for seeing if you are receiving traffic from RTCM's (or any other traffic) at the host computer. For example, to see traffic on the Voter port from a specific RTCM, you can use this command. ngrep port 667 and src host IP_ADDR_OF_RTCM If you want to see the traffic from all your RTCM's/Voter Boards you can just run this command which will list all packets coming to the device on port 667. ngrep port 667