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5 Answers

AFD Communication Legend

Asked by: 9925 views Airspace

The AFD legend communication section says that if a frequency with a "R" that is encircled indicates receive only.The AFD legend says that if a frequency with a "T" that is encircled indicates transmit only. You see these designators at nontowered airports and towered airports that are not staffed 24 hours.

If a frequency is receive only, how do you transmit?

If a frequency is transmit only, how do you receive?

 

Thank you for the feedback.

 

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5 Answers



  1. Kris Kortokrax on Apr 17, 2014

    Actually, the legend says that “frequencies followed by the letter “T” or “R” indicate that the facility will transmit or receive”.

    Looking at the A/FD for my area shows that the Chicago Heights RCO frequencies are 122.1R and 114.2T. This means that FSS can receive on 122.1 and can transmit on 114.2.

    I, in turn, would tune 122.1 on my Comm to talk to FSS and I would listen over the VOR on 114.2.

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  2. Dan Chitty on Apr 21, 2014

    Kris,

    I noticed the T and R in the AFD tied to approach and departure frequencies of which I found odd because as you metion above I am accustomed to seeing the T and R concept tied to RCOs for flight service/flight watch.

    I am curious as to why T and R tied to approach and departure frequencies. I have never had to transmit from/off a RCO or VOR to talk to approach or departure. For example Chicago/Aurora (KARR) has the “R” beside the Chicago App/Dep frequency.

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  3. Mark Kolber on Apr 22, 2014

    Dan, the inverse R in the circle next to a TRACON entry in the AFD means radar services are available for approaches to that airport, not that the frequency is Receive Only.

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  4. Mark Kolber on Apr 23, 2014

    Sorry, not an inverse R. Just an R in a circle. Means radar services.

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  5. Dan Chitty on Apr 23, 2014

    Mark,

    Thank you for the feedback. I misread the AFD communication section but see the radar note in the same section further on the next page.

    Kris,

    Thank you also for your feedback.

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