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Futaba Conquest FP-T6NFK FM radio - 9/26/2011 4:02 AM   
Red Max


 

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Status: offline 		I just purchased a Futaba Conquest FP-T6NFK radio. On the back is a gold sticker that says "RF check date 11-93. 72.90 mhz.. Since this radio has quite a bit of age on it, does it still qualify to be used without any modifications. It is chan. 20. On the front it says "Internal Radio Frequency Module System." Providing a range check is good, does anyone know if it is okey to use this radio since the RF check says Nov. 1993. It came with a receiver still in a plane. Got the plane with servos, receiver and transmitter for $25.00. I know the origional owner, who is honest, but no longer can fly due to his eye sight.


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RE: Futaba Conquest FP-T6NFK FM radio - 9/26/2011 4:04 AM   
BuschBarber


 

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quote:

ORIGINAL: Red Max

I just purchased a Futaba Conquest FP-T6NFK radio. On the back is a gold sticker that says ''RF check date 11-93. 72.90 mhz.. Since this radio has quite a bit of age on it, does it still qualify to be used without any modifications. It is chan. 20. On the front it says ''Internal Radio Frequency Module System.'' Providing a range check is good, does anyone know if it is okey to use this radio since the RF check says Nov. 1993. It came with a receiver still in a plane. Got the plane with servos, receiver and transmitter for $25.00. I know the origional owner, who is honest, but no longer can fly due to his eye sight.


As long as it is Gold Stickered, you can still use it.

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RE: Futaba Conquest FP-T6NFK FM radio - 9/26/2011 4:15 AM   
Red Max


 

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Status: offline 		Thanks for this info. I will do all necessary tests before I actually use it. Got a real good bargain on several items that just need cleaning up and completing.

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RE: Futaba Conquest FP-T6NFK FM radio - 9/26/2011 4:24 AM   
Campgems


 

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Status: offline 		Be aware that you can't just change a crystal and have a different frequency.  The transmitter needs to go to a FCC licensed tech for a frequency change.  The receiver can switch channels with a new crystal though.    Given the price you paid, I would keep my eye out for a used Futaba 9C to use with the receiver and servos you have and give you a more modern computer radio system.  It will work with either PPM or PCM receivers and changing frequencys is as simple a pulling a module out and inserting another.   

Also, I would really consider replacing both the transmitter and receiver battery unless they are less than three or four years old, and even then I would carefully test them. 

The Transmitter and matching receiver are PPM mode units.  A new receiver must be a PPM  (FM) receiver, not a PCM one.

The battery for the TX is the same a the 9C uses. so if you decide to upgrade, the battery can be used in the 9C, and probably other Futaba transmitters also. 

Overall, I think you got a deal.

Don



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RE: Futaba Conquest FP-T6NFK FM radio - 9/26/2011 5:18 AM   
fizzwater2


 

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Status: offline 		double check that frequency - Channel 20 is 72.190 MHz, not 72.90 MHz.

72.90 doesn't appear to be on the list of RC channels..

Ch.# / Frequency (MHz) Ch.# / Frequency (MHz) Ch.# / Frequency (MHz)

11 / 72.010 28 / 72.350 45 / 72.690
12 / 72.030 29 / 72.370 46 / 72.710
13 / 72.050 30 / 72.390 47 / 72.730
14 / 72.070 31 / 72.410 48 / 72.750
15 / 72.090 32 / 72.430 49 / 72.770
16 / 72.110 33 / 72.450 50 / 72.790
17 / 72.130 34 / 72.470 51 / 72.810
18 / 72.150 35 / 72.490 52 / 72.830
19 / 72.170 36 / 72.510 53 / 72.850
20 / 72.190 37 / 72.530 54 / 72.870
21 / 72.210 38 / 72.550 55 / 72.890
22 / 72.230 39 / 72.570 56 / 72.910
23 / 72.250 40 / 72.590 57 / 72.930
24 / 72.270 41 / 72.610 58 / 72.950
25 / 72.290 42 / 72.630 59 / 72.970
26 / 72.310 43 / 72.650 60 / 72.990
27 / 72.330 44 / 72.670



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RE: Futaba Conquest FP-T6NFK FM radio - 9/26/2011 5:24 AM   
Red Max


 

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Status: offline 		You are correct. I just made a typ-0 error. It is 72.190.

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RE: Futaba Conquest FP-T6NFK FM radio - 9/26/2011 5:29 AM   
Red Max


 

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Status: offline 		I definately am going to change the batteries in both rx and tx. They have way too much time on them. (kinda like me)

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RE: Futaba Conquest FP-T6NFK FM radio - 11/14/2011 5:09 AM   
aviateur2


 

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Status: offline 		Hi! I would like to know if that radio you're talking about is a wide band or narrow band and how I can verify on mine Thanks

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RE: Futaba Conquest FP-T6NFK FM radio - 11/14/2011 7:59 AM   
Campgems


 

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Status: offline 		Futaba states the all FM transmitters are narrow band. Not all FM receivers are narrow band though.

Don

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RE: Futaba Conquest FP-T6NFK FM radio - 11/14/2011 2:21 PM   
aviateur2


 

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Status: offline 		Thanks for the info it will be grate for my friend coming back in the hobby

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RE: Futaba Conquest FP-T6NFK FM radio - 11/14/2011 2:25 PM   
BuschBarber


 

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ORIGINAL: aviateur2

Hi! I would like to know if that radio you're talking about is a wide band or narrow band and how I can verify on mine Thanks

In 1991, all transmitters had to be certified that they were Narrow Band with a Gold Sticker affixed to the Tx.

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RE: Futaba Conquest FP-T6NFK FM radio - 11/14/2011 5:24 PM   
Bax


 

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Status: offline 		The Gold Sticker Program was an AMA program used to help modelers identify systems that conformed to the narrow-band specifications that came into being a number of years before 1991. Systems were upgraded or checked to see if they were, indeed, conforming to narrow band specifications. The FCC regulations stated that, after 1991, no wide-band equipment was legal to use in the 72/75 MHz frequencies. Manufacture of wide band systems had been terminated several years before that. The sticker program eventually died out in the 90's because wide band systems were no longer seen, and all newly-manufactured systems conformed to the legal specifications. Wide-band equipment also tended to be on the old, illegal channels as well.

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Email: hobbyservices@hobbico.com

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