IRLP Basics

IRLP Basics

IRLP (Internet Radio Linking Protocol) allows licensed amateur radio operators to use their radio to talk to hams all over the world by sending your audio over the Internet. You can think of it as an “Internet phone patch” — just like a traditional phone patch allows you to make a phone call with your ham radio, IRLP allows you to make an “Internet phone call” to other hams. If you are within reach of the Whitecourt, you can use IRLP to call out to the outside world. And if you’re in the outside world, you can use IRLP to call to your ham friends back in Whitecourt

Every IRLP radio (called a “node”) has a unique four-digit node number — kind of like a telephone number.

Whitecourt IRLP Node #1492, Operated by local HAM.

To use IRLP you need a radio that has a touch-tone (DTMF) keypad.

Set your radio to 146.400 Mhz Tone of 100hz. After monitoring for a few moments to make sure the frequency is not in use already, key up, pause, give your call sign and use your touch-tone keypad to transmit the four-digit node number you want to connect to & unkey your mic. If all goes well you should hear a voice greeting in a few seconds stating that you are now connected to the remote node. At this point, anything that you transmit will be sent over the Internet to that remote node and re transmitted on the air at that location. You’ll hear any ham at that location who responds. To disconnect, key up and transmit with your touch-tone keypad and enter “73”.

To call into the Whitecourt from the outside world, first, locate an IRLP node near you by searching for IRLP nodes.

For more information see the IRLP home page.

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