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Yaesu ft-2900r frequency modification mars mod

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  #9  
Old 03-20-2011, 12:40 PM
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Default FT2900R


Sorry to sound stupid.. But I am totally new to all this radio stuff. I have been playing around with a Humminbird VFH5. I recently purchased a FT2900 and a FT270.
I was hoping to be able to transmit to the Humminbird but I see the frequency that I use on it most is 156.475 And I see that the FT2900 is
Recieve 136-174 but the Transmit is only 144-148? This mod you are doing here does this allow me to transmit on 156.475 or what ever freq in the Marine band?
Also is there away to Modify the FT270 like the Ft2900 if this does what I hope it would be great.. Thanks all.. I can't believe the amount of info on this site.. Carl

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  #10  
Old 04-05-2011, 12:10 PM
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How does this mod effect the radio besides the increased Tx coverage? I've heard elsewhere that the auto freq shift was disabled by doing this.
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  #11  
Old 05-22-2011, 07:02 PM
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I've seen two different versions of the mod. One is unsoldering one jumper and resoldering another, and then the other is just unsoldering one.

I just picked up a FT-2900R the other day, and would like to do the mars mod, but don't want to lose the auto repeater shift.

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  #12  
Old 05-27-2011, 03:54 PM
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Question Problems after Mod.

I have done this modification but now I am having problems transmitting on some of the FREQ. I am using the ft2900 programer software and uploaded what i had downloaded before the Mod. It shows to be transmitting but no one can hear me.

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  #13  
Old 05-27-2011, 10:32 PM
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What frequencies? do they require a pl tone? are you using the proper antenna?
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Old 05-28-2011, 09:49 AM
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Default More info on Mod problems

It is on our Caprock repeater system in south eastern NM USA one freq. has a tone the other does not (both RX 147.18 and Tx 147.78 the tone is 88.5 on the second one) and it was working great before i made the mod. I have since noticed that the Step (50 Step) will not move off of 10 kHz. And HM is now B0253. VOX I think is stuck in Digital mode it will only scroll A#### thru D#### and will not let me put in any actually freq. I have been thru the whole maneul and check all of the setting and am at a LOSS.

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Old 05-28-2011, 10:39 AM
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Quote:
Originally Posted by neonhomer View Post
I've seen two different versions of the mod. One is unsoldering one jumper and resoldering another, and then the other is just unsoldering one.

I just picked up a FT-2900R the other day, and would like to do the mars mod, but don't want to lose the auto repeater shift.
Anyone have more info on this? I want to do the mod also

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  #16  
Old 05-31-2011, 06:45 PM
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Question Problems after Mod. indepth

Quote:
Originally Posted by cmohon View Post
It is on our Caprock repeater system in south eastern NM USA one freq. has a tone the other does not (both RX 147.18 and Tx 147.78 the tone is 88.5 on the second one) and it was working great before i made the mod. I have since noticed that the Step (50 Step) will not move off of 10 kHz. And HM is now B0253. VOX I think is stuck in Digital mode it will only scroll A#### thru D#### and will not let me put in any actually freq. I have been thru the whole maneul and check all of the setting and am at a LOSS.
OK here is the deal when I did the Master Reset as instructed it made the radio only allow me to select (A#### thru C####) (not D####) and if i try to load a Freq like 147.18 then (manually thru radio then it will not let me at all) (thru the computer software as soon it gets loaded to the Radio then the radio converts it to one of those others like Bo253 and I have not found any way to fix it. I have even tried to redo the jumper and reset again with no luck. Please help i am taking alot of heat for making the mod to begin with from my wife. ha ha Thanks Chad

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