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Most DMR activity is centred around the 70cm repeater networks, but DMR simplex activity does exist on both 70cm & 2m, and performs very well indeed! Program the UK DV channels into your radio and add DH3 to your scan list.
DH1 438.5875 DH2 438.6000 DH3 438.6125 (calling channel) DH4 438.6250 DH5 438.6375 DH6 438.6500 Program your radio for Colour Code 1, Slot 1, Talk Group 9 (local) Many commercial codeplugs already have the UHF DV Simplex channels configured, so give a call! Why not give 2m a try as well, the DV calling frequency is 144.6125, same details as above. For those with the 146-147 NoV, also try 146.9000 to 146.9875 - no official calling frequency up here, so scan all 8 channels.
10 Comments
Keith
26/7/2016 09:34:30
Just getting started on UHF DMR - had 2 simplex contacts in first week of operating. Well impressed!
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Adam
19/2/2017 12:38:30
I be monitoring the simplex DMR freqs as well as the SALOP network using a Motorola DM1400 25 W UHF radio in my van. G1MAW
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Keith
5/10/2016 13:21:15
Now QRV on 2m DMR as well 144.6125 if anyone else is on ??. Not heard a thing so far on simplex, but have got 'CT and 'WE within range.
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James Veitch
12/5/2018 23:27:30
Not heard a thing...waste of timr
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Peter M0IND
14/2/2019 15:18:15
When you say
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MD
14/2/2019 17:58:40
I don’t think 2m has as many DV channels as 70cm, they certainly aren’t are the RSGB 2m bandplan other than the calling channel.
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peter ind
18/2/2019 14:28:21
OK, thanks for the information :)
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Russell
27/5/2021 07:08:46
Hi all, I'm new to dmr simplex, I have put the 70cm frequencies in a while back but haven't heard any contacts yet, also yesterday I put in the 26, 2m frequencies (I hope they are correct) they were labelled official and coincide with 2m analogue barring that dv40 is a different calling frequency from the analogue and you are strongly urged not to call in dmr mode on the analogue frequency, also do you call cq on dv40 as you would on analogue or just give your callsign and listening for any calls?
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Jeff KD4QFH
23/8/2020 02:18:04
I am new do DMR, can ya put a talk group other than 99 one a simplex channel?
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Chris - M1BIK
8/4/2021 18:14:29
Given how DMR Simplex is, seemingly, activity wise comparable to SSB these days outside of contests and very rare VHF/UHF 'lifts', i can see why some (many many) see sitting on a DV call frequency or generally doing open cq on any DV slot and frequency to be pointless.
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