ScanSA - South Australian Scanner Monitoring
ScanSA Homepage
SAPOL - South Australian Police
SAAS - South Australian Ambulance Service
CFS - South Australian Country Fire Service
MFS - South Australian Metropolitan Fire Service
SES - South Australia State Emergency Service
South Australian Marine Rescue
GRN - Government Radio Network
Airband - Scan Air-traffic
Railway Scanning South Australia
Adelaide 800mhz Trunking System
Scanning Software: Trunker, AusTrunk, PDW, Win 96, Wintone
Scanning links

Welcome to the SA-SCAN website, the home of scanner monitoring information for South Australia.

A scanner is a radio receiver that can automatically tune, or scan, two or more frequencies, stopping when it finds a signal on one of them and then continuing to scan other frequencies when the initial transmission ceases. In this way it is possible to program in multiple frequencies used by a variety of agencies and businesses and monitor their radio transmissions. One minute you could be listening the S.A. Ambulance Service rushing to save a life and then the next minute you may be listening to an aircraft making its final approach to the Adelaide Airport, such is the diversity of the hobby.

Contrary to widespread belief, scanning is perfectly legal. However, you should not use information obtained from listening for commercial gain or criminal activity. Monitoring phone conversations on your scanner is also forbidden. Apart from that, you can pretty well scan as you please, though discretion is advised when using scanners in public. For instance, being an 'ambulance chaser' and turning up at accident scenes, hindering emergency services is an extremely foolish and inappropriate thing to do. Genuine scanner enthusiasts don't want to give politicians an excuse to ban or restrict the hobby, as has occurred in other countries.

In South Australia all emergency services and some semi government agencies use the Government Radio Network (GRN), this is a network of over 200 radio sites linked together to form a voice, data and paging network that covers approximately 96% of the population of South Australia and more than 220,000 sq km of landmass. There are approximately 14,000 mobile/portable voice users, 16,000 paging users and 500 mobile data terminals connected to the network. With the use of a 'trunk-tracking' capable scanner you can monitor transmissions on the network from users right around the state (with the exception of the SA Police Department who use encrypted radios on the network).

On this website you will find all the information you need to get started in this exciting hobby. Frequencies, codes and maps are all available as well as detailed step by step instructions for programming your trunk-tracking scanner to monitor the SA-GRN. Sign up to the popular 'SA-SCAN' Yahoo email group to assist you with an questions you may have and be kept up to date with the latest changes and information. A live streaming audio feed of emergency service radio traffic is also available for your enjoyment as well as a collection of radio related links from around Australia.

If you have any questions or comments please feel free to join the SA-SCAN Yahoo email group available here

Latest News

Clipsal 500 Live Audio Feed
(Added 25/2/15)


The Broadcastify feed is available here

Once again an online scanner feed of the Motorola DMR Trunking network being used by the organisers of the Clipsal 500 V8 motor race will be made available.

The feed is running off a RTL820T dongle connected to the SDR# software, which is feeding the DSD+ program to do the digital audio decoding. The audio you hear may sound slightly muffled, this is a product of the digital decoding and is probably as good as it is going to get at the moment.

As this is a trunking feed you will hear everything on the network, this includes all of the Race Control radios on the track, as well as the secondary support services that are involved in keeping an event like this running.

There is no control over the talkgroups, and their is no tags on this feed - it is audio only.

The feed will run from Thursday, until the end of the race on Sunday.

More information about the race can be found at -

Tour Down Under live streaming feed
(Updated 21/1/15)

The Tour Down Under international cycling event is currently being held throughout the suburbs and hills around Adelaide. The event attracts competitors and visitors from various countries here to see some of the worlds best riders. There is a huge amount of logistics, planning and operational activity involved in holding this event, and a number of radio systems are used to coordinate the activities each day.

The radio network used by the race officials following the riders consists of an Icom IDAS Trunking system located in an aircraft that is constantly flying above the riders. The aircraft used this year is either VH-BTR or VH-WHB based out of the Aldinga airstrip, it will fly at approximately 10,000 feet above the event and provide communications via a 1 watt repeater. A second repeater is located in the backup aircraft on the ground, ready to be put to use should the first aircraft need to return for fuel or due to the pilot exceeding their flying hours.

Simplex frequencies are used at the start and finish lines, these will be low power and short range and not able to be monitored from a long distance.

The trunking system utilises a number of frequencies licensed to Tetracom.

490.200 mhz
490.350 mhz
490.500 mhz
490.650 mhz
490.800 mhz

Talkgroups used on the system include

Talkgroup 1 Race Radio
Talkgroup 2 Judge / Commissaire
Talkgroup 3 Police Liaison
Talkgroup 4 Staging
Talkgroup 5 Bupa Challenge
Talkgroup 6 Radio Techs
Talkgroup 7 Spare
Talkgroup 8 Emergency
Talkgroup 9 Spare
Talkgroup 10 Monitor / Transmit on all talkgroups


Monitoring of the system is possible from a lot of radio activity can be heard once the riders start racing. Traffic on the 'Race Radio' talkgroup is broadcast to all team cars as well as media and other officials, the broadcasts on this talkgroup are given in both English and French.

It is possible to listen to this network yourself with the SDR# and DSD Plus software, the radio coverage from the airborne repeater is very good and it should be audible over most of the Adelaide area.

Monitoring the 2015 Tour Down Under


P25 digital frequencies change
(Added 11/12/14)

The P25 digital site that has been setup to allow agencies to test their P25 equipment has had a change of control channel frequencies. A number of additional voice frequencies have also been added.

Depending on which existing GRN talkgroups are patched into the system, the site can be quite busy during the day with voice traffic. An updated talkgroup list is now available here.


Frequency Use
413.275 mhz Backup C.C.
414.775 mhz Backup C.C.
414.9625 mhz Voice
415.1125 mhz Voice
420.250 mhz Control Channel
420.500 mhz Voice
421.500 mhz Backup C.C.
421.750 mhz Voice

SA Ambulance to start using digital encryption
(Added 5/11/14)

The SA Ambulance Service will change to digitally encrypted talkgroups on the evening of the 11/11/14. The change will mean that there will be no way for SA Ambulance transmissions to be monitored on a scanner.

This will also affect all other Health Department agencies, including the Rescue Helicopter service and all hospitals.

P25 digital SA-GRN site now active
(Added 25/10/14)

A P25 digital site has been established on the State Administration Centre building near Victoria Square in Adelaide.

This site has been setup to allow agencies to test the digital capabilites of their SA-GRN terminal equipment, and has coverage across the city and surrounding suburbs.

Many agencies have patched their existing analog talkgroups into the new digital talkgroups to allow testing through this site.

To monitor this system on a Uniden digital trunking scanner, just setup a new P25 'Standard Trunk' system, and create a new site in that system with the frequency 413.275mhz. No other frequencies or base and offset data is required to monitor this system.

The Metropolitan Fire Service metropolitan operations talkgroup 150 has recently been heard on the P25 site using on ID 694. The Dept. of Environment have been heard on talkgroup ID 3169.

Please advise us via if you identify any further new talkgroups.

Frequency Use
413.275mhz Control Channel
414.775mhz Backup C.C.
414.9625mhz Voice
415.1125 Voice


Uniden to release two new trunking scanners
(Added 4/12/13)

Uniden in the United States recently released details on two new trunk tracking scanners which are expected to be available in January 2014.

The two new scanners are the BCD536HP base / desktop unit and the BCD436HP portable unit.

Both of these radios will work on the following modes - TrunkTracker V with support for APCO Project 25 Phase I and Phase II, X2-TDMA, Motorola, EDACS, and LTR Trunked Radio System.

This means that these radios will correctly scan the SAGRN, and should continue to work if the network is upgraded to become a Phase II trunking system. However these radios will not work on the ever increasingly popular Motorola DMR mode. The DMR systems in South Australia are now carrying a lot of commercial user radio traffic after the Motorola 800mhz systems were shutdown, with DMR now being utilised for a number of our major events in this state (Clipsal 500, Adelaide Oval, major festivals etc)

Uniden have hinted that software and firmware upgrades will be possible with these radios, with a possible inclusion of further modes in the future. We can only hope that DMR is one of the modes they are looking at.

Regardless of the lack of DMR compatibility, these new scanners are still a very nice radio, with plenty of features to keep people interested. The ability to record transmissions directly to an SD card in the radio is very handy, as is the ability to stream your radio through a WIFI connection via an app to anywhere in the world.

It is unknown whether Uniden in Australia have any plans to release an Australian model of these scanners, however the US models will work on our SAGRN system.

US Pricing is listed as:

BCD436HP - $499
BCD536HP - $599

In another interesting development, Whistler Electronics - who recently purchased GRE Electronics have announced that they will also be releasing a number of new scanners in 2014, suggesting that they will be actively looking at ways to monitor some of the new technology modes. Either way it is good news for scanner users, who have been left with little choice of late when it comes to digital trunking scanners.

New Uniden Trunking Scanners


Uniden Product Launch video


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