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Old March 26th, 2020, 08:35 PM #21
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Quote:
Originally Posted by HSTD View Post
Pretty sure that there is no requirement for FCC Part 97 acceptance or certification of VHF/UHF transmitters in the Amateur Service.



The UV-5X Can be used to receive FRS, GMRS, and MURS frequencies without issue. Transmitting is not allowed without the proper certification/acceptance.
Correct, there are technical standards which they may or may not meet (I've measured some) but there is no such thing as Part 97 type acceptance.
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Old March 26th, 2020, 09:34 PM #22
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Correct, there are technical standards which they may or may not meet (I've measured some) but there is no such thing as Part 97 type acceptance.
The part 97 type acceptance standards are for amplifiers for use on the ham bands.
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Old April 2nd, 2020, 12:30 PM #23
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I learned something new on my ICOM ID-5100 today.

I figured out how to do the crossband repeater function. So I can set my HT to a 70cm simplex frequency then in my car set it to the 2M W3MUM repeater. Then when I key up on my HT it goes to the car which sends it back out to 2M to the big repeater on the hill.

The ID-5100 has up to 50 watts on both UHF and VHF.

Today I was able to test this also with a buddy who was 24mi away on 2M simplex.

My goal is to be able to walk around the park or go hiking with my HT and x-band to a repeater outside the range of the HT.
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Old April 2nd, 2020, 12:39 PM #24
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Quote:
Originally Posted by gamer_jim View Post
I learned something new on my ICOM ID-5100 today.

I figured out how to do the crossband repeater function. So I can set my HT to a 70cm simplex frequency then in my car set it to the 2M W3MUM repeater. Then when I key up on my HT it goes to the car which sends it back out to 2M to the big repeater on the hill.

The ID-5100 has up to 50 watts on both UHF and VHF.

Today I was able to test this also with a buddy who was 24mi away on 2M simplex.

My goal is to be able to walk around the park or go hiking with my HT and x-band to a repeater outside the range of the HT.
Now you've made me curious...gonna have to look that up for my ID-51/ID-5100 radios...
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Old April 2nd, 2020, 12:54 PM #25
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That cross band repeat is also very useful for an ad-hoc repeater - in the event that things really, really do hit the fan. (No, not condoning setting up a repeater in absence of coordination in a normal world).
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Old April 2nd, 2020, 01:49 PM #26
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Subscribed. Thanks.
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Old April 2nd, 2020, 05:20 PM #27
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The problem comes with trying to cross band repeat into a repeater, at least in the past.

Say you are on 440 with your dual band mobile rig crossbanding to a 2 meter repeater. You key on 440, your mobile rig is listening on 440, transmitting on 2m. No problem.

You release your mic key, and now your dual band is listening on 2m and transmitting on 440. The problem is, it will not switch out of listening on 2m until the transmissions stop. So if there are a number of people talking, the repeater never stops transmitting and you cannot talk to the repeater.
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Old April 2nd, 2020, 05:54 PM #28
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Quote:
Originally Posted by Pinecone View Post
The problem comes with trying to cross band repeat into a repeater, at least in the past.

Say you are on 440 with your dual band mobile rig crossbanding to a 2 meter repeater. You key on 440, your mobile rig is listening on 440, transmitting on 2m. No problem.

You release your mic key, and now your dual band is listening on 2m and transmitting on 440. The problem is, it will not switch out of listening on 2m until the transmissions stop. So if there are a number of people talking, the repeater never stops transmitting and you cannot talk to the repeater.


Yea thatís why I rarely had my setup close the loop back to my HT. I would depend on my HT being able to rcv directly from the repeater. That also takes care of the relay radio not being able to ID on the 440 link to HT.


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Old April 2nd, 2020, 06:06 PM #29
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Quote:
Originally Posted by gamer_jim View Post
I learned something new on my ICOM ID-5100 today.



I figured out how to do the crossband repeater function. So I can set my HT to a 70cm simplex frequency then in my car set it to the 2M W3MUM repeater. Then when I key up on my HT it goes to the car which sends it back out to 2M to the big repeater on the hill.



The ID-5100 has up to 50 watts on both UHF and VHF.



Today I was able to test this also with a buddy who was 24mi away on 2M simplex.



My goal is to be able to walk around the park or go hiking with my HT and x-band to a repeater outside the range of the HT.
In the old days the cops had a similar system in their car, called a pack-rat (Motorola PAC-RT).

Did exactly the same thing.
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Old April 2nd, 2020, 07:16 PM #30
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In the old days the cops had a similar system in their car, called a pack-rat (Motorola PAC-RT).

Did exactly the same thing.
They still have them except they are called SVPs these days.

Not quite the same thing since it is basically two radios, low power to/from the handheld, hardwired to the 110 watt radio in the vehicle.
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