DMR-MARC

Greater Toronto Area Repeater Jamming Activity

Dear Greater Toronto Area Hams, I’m writing this note concerning nefarious activity that currently plagues our repeaters in the Greater Toronto Area. As many of you are probably aware, several of the repeaters in the Greater Toronto Area, including VA3XPR, VE3YYZ FM and VE3YYZ DMR, have become almost unusable due …

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DMR-MARC improves its global DMR network

On March 26th, DMR-MARC announced that it had completely transformed its North American DMR-MARC network by implementing two redundant core servers – one on the US East coast and the other on US West coast, which will allow all North American DMR-MARC member organizations to connect to its global, regional …

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Ham radio DMR celebrates its 10,000th user ID

DMR ham radio DMR-MARC users amateur radio

On October 29th, ham radio DMR reached an important milestone by adding its 10,000th user ID, making it one of the fastest growing digital modes within the ham radio community. DMR, which is short for Digital Mobile Radio, is a published standard for digital voice communications by the the European …

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In search of the range limit for DMR

Mount Washington DMR Motorola Mototrbo VA3XFT New Hampshire ham radio

So what is the maximum range that one can achieve with DMR? There has been much discussion about this on the on-line forums, since there is a physical limit as to how far two DMR stations can communicate with one another, given that DMR is based upon the Time Division …

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