To add onto what Loumagg has just said, think about this a little bit. It only takes a smidgen of common sense to figure this out. The license he showed you, WPKC432 shows a simplex base station using the frequency 154.160 with up to 100 watts of power. This is a good starting point. Nobody can help you out that is not within listening range of Ingleside-on-the-Bay, as most of are not. Plug 154.160 into your scanner, wait, and when you happen to hear a page, listen to the address being dispatched, locate a map, and VOILA! You have your frequency. Now if you hear nothing on this frequency, go ahead and scan the San Patricio County system (
http://www.radioreference.com/apps/db/?sid=3285) and hope you hear something that is not AEGIS digital relating to fire or medical traffic around the IOTB VFD's territory. Please submit anything you confirm to the san patricio county page. Good luck, and keep your ears open for anything else in that area. There are still a lot of unconfirmed frequencies licensed down in the coastal bend area.