A few weeks back, I got a registration number for using DMR (Digital Mobile Radio). Considering DMR has its roots in the commercial world, I think that this will become the de facto standard for digital radio on the VHF amateur bands in the future...as opposed to D-Star or Fusion.
I was curious to see how many EI stations have registered to do and I put together the chart above. The 2017 peak coincided with articles in the IRTS newsletter.
The chart below shows the total number of DMR registrations for EI calls at the end of each quarter up until the end of 2017...
As of the 9th of February 2018, there are 106 EI calls registered on DMR. Needless to say, not all of them are active or may even have equipment but it does show a growing interest in this digital mode.
Update 9th March 2018 : Using the 'Heard Users' function, 47 of the 108 registered users have been heard using DMR. That's roughly 44%.
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