jjhendo
Member
I hear what seems to be EMS on MURS 151.820. It's my understanding you can use any MURS frequency, but would that maybe not be a good idea to disrupt this one? Why are they on there??
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mmckenna
I ♥ Ø
If they are using properly type accepted radios, OR they have a grandfathered Part 90 license, totally legal.
Might be used for training. Might be a small private EMS provider using it for an event.
Probably not the best choice, though.
rf_patriot200
Active Member
Years ago, our local PD was using Frs for a training op to clear a building. Pretty entertaining to listen to, until some kids started playing on the same frequency, then they went to a tac freq.
rf_patriot200
Active Member
Maybe they were doing ems, for a outdoor event and using MURS, to prevent tying up their dispatch ? ... Just a guess.
nd5y
Member
If you post the location where you heard it maybe somebody could identify it instead of guessing.
rf_patriot200
Active Member
His location says Eagan.
nd5y
Member
It doesn't say what state or province.
wtp
Member
he has a couple of posts in the Minnesota forum.
151.82 was never a licensable frequency for public safety or business. For Part 90 users, it was a "hole" between 151.805 and 151.835 in the original Part 91 business band allocations decades ago. I'm wondering if you're picking up an image frequency of a legally licensed frequency or if someone programmed 151.82 MHz in the EMS radios as a private BS channel. That stuff happens occasionally.
jjhendo
Member
stmills
Member
What are you hearing for traffic - crews being called by dispatch, crews chatting amongst themselves, what type of calls ids are being used? All of the 911 EMS agencies covering Dakota are dispatched on the ARMER systems - the fire based ones would also be linked to VHF fire paging channels.
jjhendo
Member
It's kinda scratchy and I only get bits of sentences, but it sounds to be fire/ems dispatch for Dakota county.. Can hear on my SDS200, but don't think I've ever picked it up on my analog ht?
stmills
Member
Have you tried listening to the Dakota County VHF fire channels on your analog handheld to see if you can confirm a match to the transmissions.
154.785 Page
151.295 Fire East
155.415 Fire West
154.785 Page
151.295 Fire East
155.415 Fire West
You Guys make it seem like using MURS channels for Public Safety operations is a sin. What's the big deal? There are situations where EMS or LEO need to use MURS. For example, a Parade or a Fair. The Event Coordinators may need to contact PSOs in emergencies, such medical or lost persons. I wouldn't be too surprised if EMTs and LEOs were using FRS or GMRS.
If you hear traffic with kind heavy, choose another channel. If they're using PL choose another PL. Give them a Pass when needed, that's what I would do.
If you hear traffic with kind heavy, choose another channel. If they're using PL choose another PL. Give them a Pass when needed, that's what I would do.
rf_patriot200
Active Member
Except that Murs, Gmrs or Frs are Not reliable for Public Safety. A half watt on Frs, isn't going to cut it and 2 watts on Murs doesn't do it either, and opening themselves up for All kinds of people creating interference on Gmrs doesn't work either. Those are Not reliable spectrums for Any public safety agencies. Dedicated, Licensed frequencies that Prevent public interference are the Norm. Most agencies also have Tac channels or simplex that are used for public events.
Well, if the cops and firefighters don't have to follow the the rules and stay in their allocated spectrum, then why should anyone?
mmckenna
I ♥ Ø
MURS frequencies are under the Personal Radio Service/Part 95 heading and "License By Rule". That means that as long as -all- MURS rules are followed (ALL of them), then these frequencies can be used.
Issue here is that MURS requires all the radios to meet the MURS technical requirement -AND- have Part 95 certification. The MURS rules prohibit MURS radios from being able to transmit anywhere else under any radio service.
§ 95.2761 MURS transmitter certification.
(a) Each MURS transmitter (a transmitter that operates or is intended to operate in MURS) must be certified in accordance with this subpart and part 2 of this chapter.
(b) A grant of equipment certification will not be issued for any MURS transmitter type that fails to comply with all of the applicable rules in this subpart.
(c) A grant of equipment certification will not be issued for MURS transmitters capable of operating under both this subpart (MURS) and under any other subparts of this chapter (except part 15).
So, a public safety agency using these MURS frequencies would not be able to use their Part 90 radios. They'd have to have specific Part 95 radios that were used only for this service.
*Exception if, and only if, these frequencies were previously licensed to said agency. That would make them 'grandfathered" in. But it would be unlikely that was the case as most of these were business frequencies, and not in the public safety pool.
Yes, there are plenty of "YouToobs Raydeoh Teknishuns®" that don't understand FCC rules, or don't care, and will program whatever they want into radios. Does not make it legal, and most of us that actually do this stuff for a living have enough integrity to follow the FCC rules and not put our agencies at risk for enforcement.
Always good advice.
nd5y
Member
It depends on the use case. You don't always need high power.
I didn't mean to give a pass for Public Safety Officials to use just any radio. Just because PSOs may using MURS or FRS/GMRS radio for a specific assignment, doesn't give them to use anything, but typed accepted equipment.
mmckenna
I ♥ Ø
Right.
An agency could use MURS or FRS if they needed to and their protocols allowed it. Some agencies have internal rules against this. As you suggested, they are not exempt from FCC rules.
There are scenarios where this makes sense, like for training. But for day to day options, it would be a poor choice. As others have said, most agencies have legal access to a LOT of interoperability channels that can be used for such applications. But not all radio users are aware.
So, maybe a training exercise.
Might be a private/volunteer group that is not attached to any public safety agency and does not have access to anything else
Might be a CERT team.
Might be a mess created by a radio tech with limited knowledge/skill.
Might be someone who got ahold of programming software/cable and decided to add some "Free Channels" to their radios.
Might be someone who grabbed random radios off Amazon.
Or someone with a couple of Baofengs.
I've seen some weird stuff in my travels. Not much surprises me anymore.
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