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Author Topic: Cross band operation with FT-4700RH  (Read 1136 times)
WA4MDP
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Posts: 3




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« on: October 16, 2008, 05:45:01 PM »

I just picked up this Yaesu 2m/440 rig that I understand is crossband full duplex.I have a 440 HT that I would like to use in order to access a 2mtr repeater that is outside the range of my 2 mtr HT.Anyone familar with this rig that can tell me how its done?I found a manual online and I can't seem to find anything that indicates how this is done.Thanks!
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KE3HO
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Posts: 235




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« Reply #1 on: October 17, 2008, 09:24:16 AM »

I can't help you with your question, I don't know the rig. However, I will caution you about cross-band repeat operation. If you set the rig up for cross-band repeat, it has to have a control operator at all times. If you are the ONLY person using it and you ID as required, no problem (on the station ID part). However, what if someone else transmits on the frequency that the rig is receiving on? They will also be repeated on the other band and your rig will not ID as required. Cross-band repeating is a tricky business and needs to be done with care to avoid illegal operation.

So, given that you would have to be the control operator of the dual band rig anyway, if you want to reach a repeater that the HT can't reach, why not simply use the FT-4700RH to get there and skip the cross-band repeat?

73 - Jim
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N5LRZ
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« Reply #2 on: October 17, 2008, 12:48:24 PM »

Another problem in addition to the one stated above is to avoid setting the retransmission on an assigned frequency of a cordinated repeater.

Those new to 2 Meter Amateur may find it a surprise that the the FCC does in fact side with registered coordinated repeater owners in matters of frequency intereference to the assigned frequency pair of a repeater.

So when you do cross also carry along a current repeater guide to reference so that both your input and output frequences do not conflict with any repeater frequency pair assigned by an authorized coordination committee.
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