What is a DMR Group List?

The Group List feature in vehicular and handheld radios allows the radio to monitor more than one talkgroup on a given channel position, without having to use scan. For example, to hear messages from either the Worldwide or North America talkgroup without scanning or switching channels, you create a Group List containing both Talkgroups, and assign that Group List to a physical channel on your radio.

One significant limitation on Motorola radios is that you can only listen to talkgroups that share the same timeslot that is programmed for that physical channel position. In Hytera radios, the physical channel position can be configured for a feature called "Pseudo Trunk" that allows the radio to listen for messages on either timeslot. This allows a Group List to contain talkgroups from any timeslot.

Groups Lists are compatible with Roaming. Thus, if you assign a Group List to each repeater included in a Roam List, you will hear transmissions from those Group List talkgroups when you roam to that specific repeater.


In the world of Dx, Oleh, UR5BCP, will be active as E51BCP from Rarotonga Island in the South Cook Islands between April 15 and April 20th. Listen for him on the Digital and SSB modes on all HF bands including the WARC bands. You will also be able to hear E51BCP during some SOTA activations. QSL via KD7WPJ.

In Micronesia, Sho, JA7HMZ will be active as V63DX from Pohnpei Island between April 18-24th, focusing on 160 meters FT8. He is looking in particular for European stations. QSL via his home callsign direct or LoTW. He is not accepting Bureau QSLs.

Listen for operators Hendro/YB3LZ, Bimbo/YB3MM and Tety/YB3TET on the air using their home calls slash 8 (/8) from Tinabo Island between April 28th and May 1st and then from Selayar Island on May 1st and 2nd. Send QSLs via IZ8CCW, ClubLog or LoTW.

If you were hoping to work Franz, DC4CQ from Senegal, please note that he has cancelled his operation as 6W/DC4CQ this month due to illness.
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Central States VHF Society Spring Sprints
Purpose: Encourage weak signal VHF/UHF operation/fun
144 MHz Mon Apr 09, 2018 0700-1100PM Local
222 MHz Tue Apr 17, 2018 0700-1100PM Local
432 MHz Wed Apr 25, 2018 0700-1100PM Local
Microwv Sat May 05, 2018 0800-0200PM Local
50K MHz Sat May 12, 2018 2300Z to Sun, May 13, 2018 0300Z
Stations will be classified as either Single Op or Rover. A portable or mobile station that operates from only one grid is considered a Single Op station. A Rover must operate from at least 2 grid squares.
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"Work World with WSJT-X" by Joe Taylor, K1JT
All you wanted to know about the development of weak signal digital communications with emphasis on the FT-8 explosion on the bands these past 8 months. His talk was just given about 2 weeks ago (March 24) at the MicroHams conference in Redmond, Washington so it's very current info. The link takes you directly to the start of his presentation at 4 hours into the conference. The talk lasts about 50 minutes and don't miss the Q&A at the end for some new updates coming. Don't miss this!
Click to watch YouTube Video