uniden bearcat bc350a

I recently bought a BC350A used, and it worked well for scanning local Fire paging (and exceptionally well for airband). However, I was recently trying to scan airband and was hearing nothing after quite some time. I went to listen to my local NOAA station, and heard nothing when I can typically...

I have a uniden bearcat BC350A scanner and i was wondering what the best cheep antenna would be for it. today i just got an antenna from amazon "HARULU Scanner Antenna For Uniden Motorola Car Radio BNC Mount 4" Mobile Full Band" it says its Receive Frequency: 30MHz - 1200 MHz. i plugged it in...