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Aurora Fire

US > Colorado > Multiple Counties

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 Aurora Fire

Covering Dispatch & Tac. Aurora Fire Rescue is an ISO Class 1 and internationally accredited agency covering 160 square miles of the City of Aurora, the 2nd largest city by area and 3rd largest city by population in Colorado.
Public Safety
19   Online


Feed Notes

Basic Information

This feed uses a priority interrupt system. Talkgroups with higher priority (lower number) will interrupt talkgroups with a lower priority (higher number). Talkgroups with the same priority will not interrupt the active talkgroup.

Talkgroup Name Usage Priority
39101 Dispatch Dispatch 3
39102 Tac 2 Routine Calls 3
39103 Tac 3 Incident Tac 2
39104 Tac 4 Structure Fire Tac 1
39105 Tac 5 Additional Tac 1
39106 Tac 6 Additional Tac 1

Alpha tags are enabled and can be seen with any supported applications that can recognize the data. Alpha tags are in the format of [Talkgroup] Name.

Map Grids

Curious about how Aurora's map grids work? Check out this fire station map: link.

The first number represents a 1/2 mile north to south grid, the middle letter represents a 1/2 mile west to east grid, and the last number represents one of the four 1/4 mile by 1/4 mile grids that subdivides the larger grid.

An example layout of this grid system can seen below representing a 1.5 mile by 1.5 mile area made up of nine 1/2 mile by 1/2 mile grids that is divided into thirty-six 1/4 mile by 1/4 mile grids.

99-A-1 99-A-2 99-B-1 99-B-2 99-C-1 99-C-2
99-A-3 99-A-4 99-B-3 99-B-4 99-C-3 99-C-4
1-A-1 1-A-2 1-B-1 1-B-2 1-C-1 1-C-2
1-A-3 1-A-4 1-B-3 1-B-4 1-C-3 1-C-4
2-A-1 2-A-2 2-B-1 2-B-2 2-C-1 2-C-2
2-A-3 2-A-4 2-B-3 2-B-4 2-C-3 2-C-4

Live Call Information

Aurora Fire Rescue provides limited live call information in the form of the PulsePoint Respond application available for Android and iOS. Call information is only available for calls assigned a Falck Rocky Mountain ambulance, Aurora Fire Rescue's emergency ambulance provider. Detailed location information is only available for calls that occur in a public setting and non-medical calls that are assigned an ambulance.

More Information on PulsePoint:
Download for Android
Download for iOS

Web Application (no download needed):

Agency: Aurora Fire - Falck Rocky Mountain

Technical Information

Feed Device: Raspberry Pi 3 Model B+
Receiver: RTL-SDR Blog v3
Software: OP25 (boatbod), Liquidsoap

Radio System: Aurora

This is a demonstration feed testing the features and cost effectiveness of a Pi + SDR + OP25 combination over a regular scanner. Aurora's radio system is a P25 Phase 2 four site simulcast radio system. These systems are notorious for being difficult to monitor on all scanners designed prior to 2018 without some type of special directional antenna setup. Reception is not always guarenteed even with such a setup and sometimes requires luck. Currently only a very limited selection of full feature top of the line scanners costing between $649.99 to $699.99 will reliably receive these systems.

The full cost of this setup is the following.
$34.99 - Raspberry Pi 3 Model 3B+
$9.99 - 5V 2.5A Power Supply
$2.99 - 16GB microSD card
$34.95 - RTL-SDR Blog with Antenna Kit
Total: $82.92

This is a fraction of the $649.99 to $699.99 price tag. For the price of one of these scanners, someone could setup seven standalone feeds (1x Raspberry Pi and 1x RTL-SDR) and upto 10-12 feeds when providing two to three feeds per Raspberry Pi.

The setup is located approximately 9 miles from the nearest site and uses the stock RTL-SDR Blog v3 dipole antenna kit to achieve its current performance.