Hi Tim & Team

Listening Squawks are encoded as big chunks of airspace in our data, because they have geographical limits. Frequencies, on the other hand, are just bits of data associated with an airfield. Going from an airfield to a corresponding listening squawk is not straightforward.

If someone is flying in a new area, how are they supposed to know which airfield(s) nearby offer a listening squawk? Open the What's Here menu for every airfield onscreen until they find one that has one? That would be ridiculous. Opening the Radio screen tells you exactly which listening squawks are available at your current position.

Ah! I understand now, and what you say makes perfect sense. Not being a programmer, I imagined that a listening squawk was like a radio frequency – 'just a bit of data associated with an airfield.'

However, if I bring up the 'What's Here' menu, and I do so for a specific airport, as opposed to 'a chunk of airspace,' would that still preclude the listening squawk for that airport from being included along with radio services, because at that point, I am looking only at data specific to that airport?

Mike
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Thanks Tim, I hadn't thought to look there.

Thanks again for your help

Peter