N9TPB
FCC License Search
🕒 FCC license data updated today 6:03 am CDT (FCC files through Oct 23, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)WRCF287 GMRS 📡 HAM
Current holder: Mark S Yuan
General Mobile Radio Service license · held by Mark S Yuan · San Rafael, CA · FRN 0025989872
| Status | Active |
| Granted | Sep 15, 2018 |
| Expires | Sep 15, 2028 |
| Mailing address | 17 Mount Darwin Ct., San Rafael, CA 94903 |
A GMRS license covers the licensee's immediate family, and lasts 10 years.
📻 GMRS Repeaters within 50 Miles
7 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 |
|---|---|---|---|---|---|---|---|
| 18 | RP18 | 462.625 | 103.5 | WRJI287 | San Francisco, CA | Open | On the air |
| 23 | RP20 | 462.675 | 192.8 | WRAV865 | San Francisco, CA · Portola | Open | On the air |
| 23 | RP17 | 462.600 | — | KAF1291 | Oakland, CA | Closed | On the air |
| 25 | RP19 | 462.650 | 91.5 | WRAM471 | Pleasant Hill, CA | Open | On the air |
| 37 | RP16 | 462.575 | — | WRPA270 | Pittsburg, CA | Closed | On the air |
| 44 | RP19 | 462.650 | 94.8 | WRMZ431 | Woodside, CA | Open | On the air |
| 44 | RP17 | 462.600 | — | KAF1291 | Sunol, CA · Sunol Peak | Closed | On the air |
📡 Amateur Radio Licenses on the Same FRN
| Call | Status | Class | Name | Location | Granted | Expires |
|---|---|---|---|---|---|---|
| KM6HBP | Active | General | Mark S Yuan | San Rafael, CA | Oct 16, 2026 | Dec 6, 2036 |
📜 License History
| Date | FCC action |
|---|---|
| Sep 15, 2018 | License issued |
🏠 Address History
Every address Mark S Yuan gave the FCC on a GMRS filing, newest first.
| Filed from | Address | On a |
|---|---|---|
| Sep 14, 2018 | 17 Mount Darwin Ct., San Rafael, CA 94903 | New license |
📝 GMRS Applications Filed
| Received | File number | Purpose | Result | Filed from |
|---|---|---|---|---|
| Sep 14, 2018 | 0008368386 | New license | Granted | San Rafael, CA |
GMRS and amateur licenses come from the FCC Universal Licensing System, updated nightly. Licenses are linked by FCC Registration Number (FRN).