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Author Topic: Is this normal ????  (Read 550 times)
XYZ234
Member

Posts: 82




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« on: January 04, 2005, 06:22:06 PM »

I heard someone locally tonight on 2 meters and they claimed (while speaking to someone else) to have a brand new Icom 2100 that could transmit from 140.000 MHZ to 150.000 MHZ. I followed them around the band and heard him transmit on 140.000. This is legal for someone with basic qualifications isn't it. The info on the Icom website says that it transmits from 144.000 - 148.000 MHZ, like most 2 meter radios.
Is this normal ?
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W7DJM
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Posts: 1




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« Reply #1 on: January 04, 2005, 07:58:54 PM »

ILLEGAL
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XYZ234
Member

Posts: 82




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« Reply #2 on: January 04, 2005, 08:12:31 PM »

Why does the radio transmit on these frequencies, brand new from the factory ?
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OBSERVER11
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Posts: 657




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« Reply #3 on: January 04, 2005, 09:36:59 PM »

FM is allowed 144.100 (to be within the LAW, 144.105 because the bandwidth of FM) to 148.000 (again, 147.995). Outside that, you are not allowed to transmit. There are exceptions, one being if you are a member of CAP or MARS, both require another permit, and the equipment must meet CAP/MARS technical standards.

Why does a radio, out of the box, allow you to transmit outside of your legal band? Well, the speed limit is 65 or 70, but cars, off the show room floor will go 100 or more MPH.

Just because it can, does not mean it is legal.

Remember, there are other users outside the ham bands, so you will be heard.

And, 144.000 to 144.100 is CW ONLY, no FM, no SSB.
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K7IHC
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Posts: 269




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« Reply #4 on: January 04, 2005, 11:36:24 PM »

The IC-2100H radio needs to have a small internal mod performed to be able to transmit out of the 144-148 MHz range.  As said earlier, using a Part 97 (U.S. amateur rules) radio such as the IC-2100 on Part 90/95 radio services is unlawful.   Some do it because 2m ham rigs are usually less expensive than commercial VHF land/mobile radios.
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AA4PB
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Posts: 12641




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« Reply #5 on: January 05, 2005, 05:26:22 AM »

Probably he did the modification or had the dealer do the modification when he purchased it. Most dealers will require you to show them something (like a MARS license) that authorizes you to transmit outside the band.

I doubt that Icom is selling radios in the U.S. that are ready to transmit on those frequencies.
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WA4MJF
Member

Posts: 1003




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« Reply #6 on: January 09, 2005, 02:28:14 PM »

I have used IC-2100Hs out of
the box new on the Army and
AF MARS repeaters.  So they go
that far without a mod.
148.01 trans/ 143.99 rec
and 142.15 trans and 143.45
rec.

73 de Ronnie
AAR4LG
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