Trunk Radio Receiver

The installation of a Trunk Radio Receiver to listen to Regional Ambulance Services.


Examples

Here are some example screenshots of SDRTrunk on Windows.

Example of SDRTrunk running on Windows

Example of SDRTrunk running on Windows

Example of SDRTrunk running on Windows

Example of SDRTrunk running on Windows

Example of SDRTrunk running on Windows

Example of SDRTrunk running on Windows


Hardware

The receiver uses an RTLSDR usb dongle and radio parts VHF/UHF indoor antenna.

VHF/UHF Indoor Antenna

VHF/UHF Indoor Antenna

The antenna costs $14 at Radio Parts.
http://www.radioparts.com.au/product/00605015/ia313-vhf-uhf-indoor-antenna

The RTLSDR usb dongle cost $15 on ebay.

The 3m usb cable cost $9 on ebay.


Software

There is a github project for SDRTrunk that uses an RTLSDR dongle.
https://github.com/DSheirer/sdrtrunk

Details about the frequency allocations of the State Mobile Radio (SMR) within Victoria may be found here:
https://www.radioreference.com/apps/db/?sid=6282

The channel numbers for 160Mhz and 400Mhz trunk radio systems may be found here:
http://cqdx11.com/WINRADIO/FREQUENCIES/Melb_Aust_Frequencies.htm

Here is how to record them in SDRTrunk.

SDRTrunk Channel Maps

SDRTrunk Channel Maps

SMR Network Channel Plan

SMR Network Channel Plan