If you have a scanner that does it, I would suggest scanning the various frequencies while you're in the arena. I have done that with some success. After it stops for a transmission, you could determine if it may be originating from that facility and, if so, include it on the ones you are listening to. Such large venues seem to have numerous frequenies in use for: security, concessions, parking, housekeeping, etc. Sometimes you may find there are frequencies duplicating the same transmissions. In some instances, the company using the facility (for example, the Longhorn Rodeo), has its own radios and frequencies in use there to communicate among themselves. If learned beforehand, those might be pre-set or discovered (and then set) once you are there.
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Nationwide Arena
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