Frederick area unidentified federal frequencies

[ericcarlson]

410.0375 (repeater output, strong on south side of Frederick) nac 293 security (HHS?) "post 9 10-8" "unit 12 control center post 6 10-7"
413.6 data bursts/chirps (may be windshear data if there is a system at FDK airport)

 

[ecps92]

410.0375 (repeater output, strong on south side of Frederick) nac 293 security (HHS?) "post 9 10-8" "unit 12 control center post 6 10-7"
413.6 data bursts/chirps (may be windshear data if there is a system at FDK airport)

The NTIA FOIA seems to suggest (Live Free or Die Hard) Social Security - Woodlawn as a possibility

And yes for the FAA at FDK, had that one from back in 2018 - nice reconfrmation

 

[Dispatcher308]

410.0375 (repeater output, strong on south side of Frederick) nac 293 security (HHS?) "post 9 10-8" "unit 12 control center post 6 10-7"
413.6 data bursts/chirps (may be windshear data if there is a system at FDK airport)

FEMA has some building(s) there on the south side of Frederick, may be them?

 

[ericcarlson]

173.9125 weak data
417.4625 data with tones bursts
451.7625 d 612 (UPS?)
452.4125 d 243 weak voice, restroom
452.425 d 243 very weak voice static
452.8 d 243
461.1875 weak paging data, Morse
467.8 Morse, paging data