🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 6:00 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
WRNT484 GMRS
📡 HAM
📡
Also a licensed HAM
General class · same FCC Registration Number (FRN) · LoTW user
Current holder: Christopher C Callahan
General Mobile Radio Service license · held by Christopher C Callahan
· Katy, TX · FRN 0021056502
Status Active
Granted Aug 20, 2021
Expires Aug 20, 2031
Mailing address 21101 Kingsland Blvd #331, Katy, TX 77450
A GMRS license covers the licensee's immediate family, and lasts 10 years.
📻 GMRS repeaters within 50 miles
6 on the air or of unknown status, closest first · map these & export for a GMRS radio →
Miles Channel Output Tone in Owner Location Access Status
4 RP22 462.725 123.0
WSJC209
Katy, TX
Open Unknown 9 RP15 462.550 141.3
WSGU761
Brookshire, TX
Open On the air 24 RP18 462.625 225.7
WRDX849
Richmond, TX · Fort Bend County Fairgrounds
Open On the air 32 RP21 462.700 141.3
WRJQ567
The Woodlands, TX · I-45/rayford Rd
Open On the air 38 RP16 462.575 D454
WSBR984
Dobbin, TX
Open On the air 42 RP17 462.600 100.0
WRJQ567
Montgomery, TX
Open On the air
📡 Amateur radio licenses on the same FRN
Call Status Class Name Location Granted Expires
KF5MDZ
Active
General
Christopher C Callahan Katy, TX Aug 8, 2026 Sep 13, 2036 W5HDX
Canceled
General
Christopher C Callahan Katy, TX Feb 14, 2015 Feb 14, 2025 KF5MDZ
Canceled
General
Christopher C Callahan Katy, TX Jul 29, 2011 Jul 29, 2021
📜 License history
Date FCC action
Mar 10, 2026 Administrative update Oct 12, 2022 Administrative update Jul 12, 2022 Administrative update Aug 20, 2021 License issued
🏠 Address history
Every address Christopher C Callahan gave the FCC on a GMRS filing, newest first.
Filed from Address On a
Mar 9, 2026 21101 Kingsland Blvd #331, Katy, TX 77450 Administrative update Oct 11, 2022 11327 Elizabeth Brook Drive, Richmond, TX 77406 Administrative update Jul 11, 2022 5555 LONG PRAIRIE TRACE #1238, Richmond, TX 77407 Administrative update Aug 19, 2021 9711 South Mason #125 Box 248, Richmond, TX 77407 Amendment
📝 GMRS applications filed
Received File number Purpose Result Filed from
Mar 9, 2026 0011939494 Administrative update
Granted Katy, TX Oct 11, 2022 0010234031 Administrative update
Granted Richmond, TX Jul 11, 2022 0010125245 Administrative update
Granted Richmond, TX Aug 19, 2021 0009667375 Amendment
Granted Richmond, TX
GMRS and amateur licenses come from the FCC Universal Licensing System, updated nightly. Licenses are linked by FCC Registration Number (FRN).
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB