N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI

WSLV948 GMRS 📡 HAM

📡
Also a licensed HAM
AF3F
Amateur Extra class · same FCC Registration Number (FRN)

Current holder: Donovan D Castro

General Mobile Radio Service license · held by Donovan D Castro · Riverbank, CA · FRN 0037133105

StatusActive
GrantedFeb 28, 2026
ExpiresFeb 28, 2036
Mailing addressPO Box 701, Riverbank, CA 95367
A GMRS license covers the licensee's immediate family, and lasts 10 years.

📻 GMRS repeaters within 50 miles

8 on the air or of unknown status, closest first · map these & export for a GMRS radio →

MilesChannelOutputTone inOwnerLocationAccessStatus
4RP22462.725— WQOW802 Modesto, CA ClosedOn the air
5RP20462.675— WRVA972 Modesto, CA OpenOn the air
15RP18462.625141.3 WSIR352 Turlock, CA · Csus OpenOn the air
29RP17462.600103.5 WRZA376 Newman, CA OpenOn the air
34RP17462.600— WRME405 Moccasin, CA · Moccasin Pk ClosedOn the air
40RP15462.550— WRME405 Groveland, CA ClosedOn the air
42RP22462.725— WRME405 Tuolumne City, CA · Duckwall Mtn ClosedOn the air
43RP16462.575— WRME405 Sonora, CA · Cedar Ridge ClosedOn the air

📡 Amateur radio licenses on the same FRN

CallStatusClassNameLocationGrantedExpires
AF3F Active Extra Donovan CastroRiverbank, CAMay 9, 2026May 9, 2036
NG0A Canceled Extra Donovan CastroRiverbank, CAApr 4, 2026Apr 4, 2036
KO6MRE Canceled Extra Donovan CastroRiverbank, CAFeb 28, 2026Feb 28, 2036

📜 License history

DateFCC action
Feb 28, 2026License issued

📝 GMRS applications filed

ReceivedFile numberPurposeResultFiled from
Feb 26, 20260011924187New license GrantedRiverbank, CA

GMRS and amateur licenses come from the FCC Universal Licensing System, updated nightly. Licenses are linked by FCC Registration Number (FRN).