Is it a 360 or a 720/760 radio? I am not sure if a 360 channel radio is still legal.To train a new student, do you need a radio with the third digit past the decimal point?
many of the airports now have frequencies that can not be received by many old radios.
Thoughts?
Many older radios only display 2 decimal points, the last one is implied. For example:To train a new student, do you need a radio with the third digit past the decimal point?
many of the airports now have frequencies that can not be received by many old radios.
Thoughts?
I would guess that the radio would be much more difficult to upgrade now.The only way to bring a unit into compliance is through the installation of an FCC type accepted "upgrade kit," which may be available from the unit's manufacturer. Like the radio itself the upgrade kit will have an FCC ID number that may be verified against the FCC Aircraft Radio List. Presently, however, few manufacturers offer FCC type accepted upgrade kits. If a kit is not available for a particular model of radio, the radio may not be adjusted and used for communications purposes on board an aircraft. If no kit is available, the radio may be reinstalled in the aircraft so long it is not intended to be used to transmit radio signals.
I still have FCC PMA for a 2 channel and a 6 channel, so I'm not sure why a 360 wouldn't be legal if it met the frequency accuracy required.Is it a 360 or a 720/760 radio? I am not sure if a 360 channel radio is still legal.
But...
I guess the bottom line is that if the radio is legal, one can work around the lack of frequencies.
We know the 360s have gone away, this isn't about frequency separation.I still have FCC PMA for a 2 channel and a 6 channel, so I'm not sure why a 360 wouldn't be legal if it met the frequency accuracy required.
That's what was described in Post #3 above. Dial a KX170/KX175 to 119.62, for example, and it is actually tuned to 119.625. If the second decimal place is a '2' or a '7', then the third decimal place, though not shown on the display, is always a '5'. I'm still using one of those radios.KX 170-B is a 720 channel radio but has no third digit 000.00 is all that they have,,
Thanks, I didn't realize that. you can't see it on the dial.That's what was described in Post #3 above. Dial a KX170/KX175 to 119.62, for example, and it is actually tuned to 119.625. If the second decimal place is a '2' or a '7', then the third decimal place, though not shown on the display, is always a '5'. I'm still using one of those radios.
If that statement above is being shared accurately here, the CFI is giving bad information. A 720 channel radio and pick up anything in the USA. Europe is a different matter, but not pertinent to this discussion. People still learn to fly and solo with a 720 channel radio with only 2 decimal places displayed. Better that the CFI teaches their students about the radio in the planes they fly, and other radios they may encounter, than give poor information.KX 170-B is a 720 channel radio but has no third digit 000.00 is all that they have,, many of the airports have 000.000 frequencies.
The CFIs argument was he can't send a student to any airport that has the third digit as their Common traffic freq. or if on a solo cross country if the student has a problem they would be restricted as to where they could divert.
Most all the weather stations around here are 000.000 type.
The people trying to help you were confused by your original post (requoted below). We figured you weren't talking about the still older 90 channel radios. As mentioned above, the 720 channel radios can work with any USA frequency, and many of them are pretty old now. The bolded part of your question was the part that made us also think you may have been discussing a 360 channel radio.We know the 360s have gone away, this isn't about frequency separation.
To train a new student, do you need a radio with the third digit past the decimal point?
many of the airports now have frequencies that can not be received by many old radios.
Thoughts?
Huh?you can tell who the haters are.
Like I'm your avionics expert.
Nope, while many of the upper channels are marked out for future UNICOM / AWOS use, they do have ATC up on some of them. I've been assigned those channels (ATC even asked me if I could tune that... I pointed out the Navion is old but it has up to date avionics).If that statement above is being shared accurately here, the CFI is giving bad information. A 720 channel radio and pick up anything in the USA
Europe has even gone beyond 760. They are using 8.33Khz spacing.Europe is a different matter, but not pertinent to this discussion. People still learn to fly and solo with a 720 channel radio with only 2 decimal places displayed. Better that the CFI teaches their students about the radio in the planes they fly, and other radios they may encounter, than give poor information.
Again, incorrect.the 720 channel radios can work with any USA frequency, and many of them are pretty old now.
That is true on some radios, but not the KX170/175 series. The small knob just clicks through .00[0], .02[5], .05[0], .07[5], .10[0], .12[5], .15[0], .17[5], ...If I recall correctly, in order to get the .025 and .075 frequencies, you need to pull the smallest knob out and then turn it. Like others have said, the .005 won’t display
Thanks for the correction. I actually saw that earlier when looking up the frequency tolerance I mentioned earlier. However, one can certainly still train and solo in a plane that displays only 2 places past the decimal point, and that part of my statement still stands.Nope, while many of the upper channels are marked out for future UNICOM / AWOS use, they do have ATC up on some of them. I've been assigned those channels (ATC even asked me if I could tune that... I pointed out the Navion is old but it has up to date avionics).
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Again, incorrect.
True, but I doubt the training mentioned in the OP will happen there. I wonder why- they don't have the traffic we do.Europe has even gone beyond 760. They are using 8.33Khz spacing.