[ICOM] PUTTING AN ICOM IC-M700 MARINE RIG ON THE HAM BANDS

[Gary P. Fiber]

At 09:58 PM 9/13/2006, you wrote:
>Dear Friends:
>It looks like in a few days I will have an Icom IC-M700 marine tranceiver 
>that I acquired via a swap, along with an AH-3 autotuner.
>(This is NOT the PRO version).  Sounds wonderful, except...
>I want to:
>
>1. Add CW to it.

Not possible, The M700TY had CW and FSK plus a different circuits for those 
modes.

>2. Add a VOX.

You would have to build a circuit either external or internal

>3. Use digital modes on it.

TR switch time should be fast enough for that using AFSK

>4. Be able to TX/RX on the 12 and 10 meter ham bands. (It only     gets up 
>to 22.999 on TX and 23.999 RX now.)   The other ham     bands are of 
>course no problem.

PLL will not tune that high in frequency, only designed to the range you 
have found


>5. Make the AH3 work down on 1.8 MHz.

The AH-3 should work there just fine if the antenna is over 23 feet in length

>6. Is there any way to add a VFO, instead of push-button tuning?

Not that I am aware of. Its a channelized rig as required by Part 80 end of 
FCC rules and many other countries around the world for Marine SSB service

>If anybody can help me, or point me in the right direction, I would be 
>appreciative!  I have done extensive Google and Yahoo searches and come up 
>empty-handed on these specifics.
>Thanks in advance!
>Steve, XE1UFO a.k.a. KA5SUT

If it does not transmit in the ham bands when you receive it,locate I think 
W37 on the logic board and do the opposite to what it is now. If open close 
it, if closed open it. Remember you need to program in both the TX and RX 
frequencies even if they are the same. Truely its a fine transceiver. There 
are literally thousands in service around  the world. It hears very well 
and transmits 150 watts. They just were not designed for amateur radio use. 
By the way this rig when operating correctly is with in 20 Hz of the 
indicated frequency. They used the CR-64 Hi stability oscillator

Hope this helps

Gary K8IZ
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