What is a receive group list and what role does it play in your codeplug?
DMR Learning Series: Talk Groups
Learn what talk groups are and how to use them.
DMR Learning Series: Contacts
How do contacts fit in when programming my DMR radio?
The Ham Radio Deluxe Debacle
UPDATE – HRD Software has posted a statement on the issue. http://www.hrdsoftwarellc.com/pr.html On Thursday, December 15, 2016, in a post entitled “Ham Radio Deluxe Support hacked my computer,” N2SUB said: I opened a support ticket with HRDSOFTWARE, and was told that I needed to download and install the latest build of version 6.22, and then they […]
The Legality of DMR in Amateur Radio
There is a lot of confusion on whether DMR is legal to use in the amateur bands. The short answer is an unequivocal yes. DMR is legal on the ham bands.
DMR Etiquette
I have recently had a number of conversations with new DMR users wondering how to use the network without being impolite to other users, even inadvertently. I thought it would be useful to write this all down for everyone’s future reference. If you have anything to add or disagree with anything, please leave a comment! […]
KI6WJP’s APRS Weather Lookup Tool
KI6WJP has written a useful APRS-IS service called WxBot. Send a message to it with a single character from your APRS-capable radio or application, and it will respond with a forecast for your location. Here is a video demonstrating its use. If you are in an area that has a TX-igate, you can do this […]
Kenwood TM-D710/TH-D72 APRS Queries
One feature of many APRS-capable applications and radios is that they support specially-formatted APRS messages called queries or QRU. When the radio receives this message, the text “Q? ” will flash on the top of the screen. Here are the message you can send. ?APRSM – Re-queues any pending messages. ?APRSP – Triggers immediate position […]
OpenTracker USB and Motorola Mobiles
The Argent Data OpenTracker USB is a fully-featured KISS TNC – and it’s one of the least expensive, clocking in at $45 at the time this article was written. If you’re going to build an APRS digipeater or igate, or just use it on your home station in KISS mode, it’s a great solution. Motorola […]
Motorola CDM – No PL/DPL on TX from External Accessory Connector
If you’re trying to interface an external accessory (like a Signalink) to a Motorola CDM via the rear 20-pin connector, and it’s not transmitting PL: Go to “Radio Configuration,” then “Accessory,” then change “Data PTT Audio Source” to “Ext Mic Audio” – if it’s set to “Flat Tx Audio,” the radio will not send PL […]
