Universal Licensing System
WPMF900
The Radio Guys, Inc
License details
| ULS identifier | 1793690 |
|---|
| Call sign | WPMF900 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2023-06-05 |
|---|
| Expiration | 2033-07-09 |
|---|
| Frequency range | 456.45 - 457.2375 MHz (12 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | SAN FRANCISCO, MARIN, CA |
|---|
| Coordinates | 37.7515833, -122.4538611 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:15:39 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 451.45000000 | | | 100.000000 | 139.000000 | |
| 2 | 1 | FB6 | 451.45000000 | | | 100.000000 | 64.000000 | |
| 1 | 1 | FB6 | 451.60000000 | | | 100.000000 | 139.000000 | |
| 2 | 1 | FB6 | 451.60000000 | | | 100.000000 | 64.000000 | |
| 1 | 1 | FB6 | 451.65000000 | | | 100.000000 | 139.000000 | |
| 2 | 1 | FB6 | 451.65000000 | | | 100.000000 | 64.000000 | |
| 1 | 1 | FB6 | 451.67500000 | | | 100.000000 | 139.000000 | |
| 2 | 1 | FB6 | 451.67500000 | | | 100.000000 | 64.000000 | |
| 1 | 1 | FB6 | 451.70000000 | | | 100.000000 | 139.000000 | |
| 2 | 1 | FB6 | 451.70000000 | | | 100.000000 | 64.000000 | |
| 1 | 1 | FB6 | 451.72500000 | | | 100.000000 | 139.000000 | |
| 2 | 1 | FB6 | 451.72500000 | | | 100.000000 | 64.000000 | |
| 1 | 1 | FB6 | 451.82500000 | | | 100.000000 | 139.000000 | |
| 2 | 1 | FB6 | 451.82500000 | | | 100.000000 | 64.000000 | |
| 1 | 1 | FB6 | 451.85000000 | | | 100.000000 | 139.000000 | |
| 2 | 1 | FB6 | 451.85000000 | | | 100.000000 | 64.000000 | |
| 1 | 1 | FB6 | 451.88750000 | | | 100.000000 | 139.000000 | |
| 1 | 1 | FB6 | 451.91250000 | | | 100.000000 | 139.000000 | |
| 1 | 1 | FB6 | 451.93750000 | | | 100.000000 | 139.000000 | |
| 1 | 1 | FB6 | 451.96250000 | | | 100.000000 | 139.000000 | |
| 1 | 2 | FB6 | 452.13750000 | | | 100.000000 | 20.000000 | |
| 1 | 1 | FB6 | 452.23750000 | | | 100.000000 | 35.000000 | |
| 3 | 1 | MO | 456.45000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FX1T | 456.45000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 456.60000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FX1T | 456.60000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 456.65000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FX1T | 456.65000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 456.67500000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FX1T | 456.67500000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 456.70000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FX1T | 456.70000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 456.72500000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FX1T | 456.72500000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 456.82500000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FX1T | 456.82500000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 456.85000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FX1T | 456.85000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO6 | 456.88750000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO6 | 456.91250000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO6 | 456.93750000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO6 | 456.96250000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO6 | 457.13750000 | | | 6.000000 | 6.000000 | |
| 3 | 1 | MO6 | 457.23750000 | | | 100.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.45000000 | | 4K00F3E |
| 1 | 1 | 451.45000000 | | 4K00F1D |
| 1 | 1 | 451.45000000 | | 11K2F3E |
| 1 | 1 | 451.45000000 | | 11K2F1D |
| 1 | 1 | 451.45000000 | | 4K00F7W |
| 2 | 1 | 451.45000000 | | 4K00F7W |
| 2 | 1 | 451.45000000 | | 11K2F3E |
| 2 | 1 | 451.45000000 | | 11K2F1D |
| 2 | 1 | 451.45000000 | | 4K00F1D |
| 2 | 1 | 451.45000000 | | 4K00F3E |
| 1 | 1 | 451.60000000 | | 4K00F3E |
| 1 | 1 | 451.60000000 | | 11K2F3E |
| 1 | 1 | 451.60000000 | | 11K2F1D |
| 1 | 1 | 451.60000000 | | 4K00F1D |
| 1 | 1 | 451.60000000 | | 4K00F7W |
| 2 | 1 | 451.60000000 | | 4K00F3E |
| 2 | 1 | 451.60000000 | | 11K2F3E |
| 2 | 1 | 451.60000000 | | 4K00F7W |
| 2 | 1 | 451.60000000 | | 4K00F1D |
| 2 | 1 | 451.60000000 | | 11K2F1D |
| 1 | 1 | 451.65000000 | | 11K2F1D |
| 1 | 1 | 451.65000000 | | 4K00F7W |
| 1 | 1 | 451.65000000 | | 11K2F3E |
| 1 | 1 | 451.65000000 | | 4K00F1D |
| 1 | 1 | 451.65000000 | | 4K00F3E |
| 2 | 1 | 451.65000000 | | 11K2F3E |
| 2 | 1 | 451.65000000 | | 4K00F3E |
| 2 | 1 | 451.65000000 | | 4K00F7W |
| 2 | 1 | 451.65000000 | | 11K2F1D |
| 2 | 1 | 451.65000000 | | 4K00F1D |
| 1 | 1 | 451.67500000 | | 4K00F3E |
| 1 | 1 | 451.67500000 | | 4K00F1D |
| 1 | 1 | 451.67500000 | | 11K2F3E |
| 1 | 1 | 451.67500000 | | 11K2F1D |
| 1 | 1 | 451.67500000 | | 4K00F7W |
| 2 | 1 | 451.67500000 | | 4K00F7W |
| 2 | 1 | 451.67500000 | | 11K2F3E |
| 2 | 1 | 451.67500000 | | 11K2F1D |
| 2 | 1 | 451.67500000 | | 4K00F1D |
| 2 | 1 | 451.67500000 | | 4K00F3E |
| 1 | 1 | 451.70000000 | | 4K00F7W |
| 1 | 1 | 451.70000000 | | 11K2F1D |
| 1 | 1 | 451.70000000 | | 4K00F1D |
| 1 | 1 | 451.70000000 | | 4K00F3E |
| 1 | 1 | 451.70000000 | | 11K2F3E |
| 2 | 1 | 451.70000000 | | 11K2F1D |
| 2 | 1 | 451.70000000 | | 11K2F3E |
| 2 | 1 | 451.70000000 | | 4K00F7W |
| 2 | 1 | 451.70000000 | | 4K00F1D |
| 2 | 1 | 451.70000000 | | 4K00F3E |
| 1 | 1 | 451.72500000 | | 4K00F7W |
| 1 | 1 | 451.72500000 | | 11K2F1D |
| 1 | 1 | 451.72500000 | | 4K00F1D |
| 1 | 1 | 451.72500000 | | 11K2F3E |
| 1 | 1 | 451.72500000 | | 4K00F3E |
| 2 | 1 | 451.72500000 | | 11K2F1D |
| 2 | 1 | 451.72500000 | | 11K2F3E |
| 2 | 1 | 451.72500000 | | 4K00F1D |
| 2 | 1 | 451.72500000 | | 4K00F7W |
| 2 | 1 | 451.72500000 | | 4K00F3E |
| 1 | 1 | 451.82500000 | | 4K00F7W |
| 1 | 1 | 451.82500000 | | 4K00F1D |
| 1 | 1 | 451.82500000 | | 4K00F3E |
| 1 | 1 | 451.82500000 | | 11K2F1D |
| 1 | 1 | 451.82500000 | | 11K2F3E |
| 2 | 1 | 451.82500000 | | 4K00F3E |
| 2 | 1 | 451.82500000 | | 4K00F1D |
| 2 | 1 | 451.82500000 | | 4K00F7W |
| 2 | 1 | 451.82500000 | | 11K2F1D |
| 2 | 1 | 451.82500000 | | 11K2F3E |
| 1 | 1 | 451.85000000 | | 4K00F1D |
| 1 | 1 | 451.85000000 | | 4K00F3E |
| 1 | 1 | 451.85000000 | | 11K2F1D |
| 1 | 1 | 451.85000000 | | 11K2F3E |
| 1 | 1 | 451.85000000 | | 4K00F7W |
| 2 | 1 | 451.85000000 | | 4K00F3E |
| 2 | 1 | 451.85000000 | | 11K2F3E |
| 2 | 1 | 451.85000000 | | 4K00F1D |
| 2 | 1 | 451.85000000 | | 11K2F1D |
| 2 | 1 | 451.85000000 | | 4K00F7W |
| 1 | 1 | 451.88750000 | | 11K2F3E |
| 1 | 1 | 451.88750000 | | 4K00F1D |
| 1 | 1 | 451.88750000 | | 4K00F3E |
| 1 | 1 | 451.88750000 | | 4K00F7W |
| 1 | 1 | 451.88750000 | | 11K2F2D |
| 1 | 1 | 451.91250000 | | 11K2F2D |
| 1 | 1 | 451.91250000 | | 4K00F7W |
| 1 | 1 | 451.91250000 | | 11K2F3E |
| 1 | 1 | 451.91250000 | | 4K00F3E |
| 1 | 1 | 451.91250000 | | 4K00F1D |
| 1 | 1 | 451.93750000 | | 4K00F1D |
| 1 | 1 | 451.93750000 | | 11K2F3E |
| 1 | 1 | 451.93750000 | | 4K00F3E |
| 1 | 1 | 451.93750000 | | 4K00F7W |
| 1 | 1 | 451.93750000 | | 11K2F2D |
| 1 | 1 | 451.96250000 | | 4K00F1D |
| 1 | 1 | 451.96250000 | | 4K00F7W |
| 1 | 1 | 451.96250000 | | 4K00F3E |
| 1 | 1 | 451.96250000 | | 11K2F3E |
| 1 | 1 | 451.96250000 | | 11K2F2D |
| 1 | 2 | 452.13750000 | | 4K00F3E |
| 1 | 2 | 452.13750000 | | 4K00F1D |
| 1 | 2 | 452.13750000 | | 4K00F7W |
| 1 | 2 | 452.13750000 | | 11K2F3E |
| 1 | 2 | 452.13750000 | | 11K2F2D |
| 1 | 1 | 452.23750000 | | 4K00F3E |
| 1 | 1 | 452.23750000 | | 4K00F1D |
| 1 | 1 | 452.23750000 | | 11K2F3E |
| 1 | 1 | 452.23750000 | | 4K00F7W |
| 1 | 1 | 452.23750000 | | 11K2F2D |
| 3 | 1 | 456.45000000 | | 4K00F1D |
| 3 | 1 | 456.45000000 | | 4K00F3E |
| 3 | 1 | 456.45000000 | | 11K2F1D |
| 3 | 1 | 456.45000000 | | 11K2F3E |
| 3 | 1 | 456.45000000 | | 4K00F7W |
| 4 | 1 | 456.45000000 | | 11K2F1D |
| 4 | 1 | 456.45000000 | | 4K00F1D |
| 4 | 1 | 456.45000000 | | 4K00F7W |
| 4 | 1 | 456.45000000 | | 4K00F3E |
| 4 | 1 | 456.45000000 | | 11K2F3E |
| 3 | 1 | 456.60000000 | | 4K00F3E |
| 3 | 1 | 456.60000000 | | 11K2F1D |
| 3 | 1 | 456.60000000 | | 4K00F7W |
| 3 | 1 | 456.60000000 | | 4K00F1D |
| 3 | 1 | 456.60000000 | | 11K2F3E |
| 4 | 1 | 456.60000000 | | 4K00F7W |
| 4 | 1 | 456.60000000 | | 11K2F3E |
| 4 | 1 | 456.60000000 | | 11K2F1D |
| 4 | 1 | 456.60000000 | | 4K00F3E |
| 4 | 1 | 456.60000000 | | 4K00F1D |
| 3 | 1 | 456.65000000 | | 4K00F1D |
| 3 | 1 | 456.65000000 | | 11K2F1D |
| 3 | 1 | 456.65000000 | | 4K00F3E |
| 3 | 1 | 456.65000000 | | 4K00F7W |
| 3 | 1 | 456.65000000 | | 11K2F3E |
| 4 | 1 | 456.65000000 | | 4K00F7W |
| 4 | 1 | 456.65000000 | | 4K00F1D |
| 4 | 1 | 456.65000000 | | 11K2F3E |
| 4 | 1 | 456.65000000 | | 4K00F3E |
| 4 | 1 | 456.65000000 | | 11K2F1D |
| 3 | 1 | 456.67500000 | | 11K2F1D |
| 3 | 1 | 456.67500000 | | 4K00F7W |
| 3 | 1 | 456.67500000 | | 4K00F1D |
| 3 | 1 | 456.67500000 | | 4K00F3E |
| 3 | 1 | 456.67500000 | | 11K2F3E |
| 4 | 1 | 456.67500000 | | 11K2F3E |
| 4 | 1 | 456.67500000 | | 4K00F7W |
| 4 | 1 | 456.67500000 | | 11K2F1D |
| 4 | 1 | 456.67500000 | | 4K00F1D |
| 4 | 1 | 456.67500000 | | 4K00F3E |
| 3 | 1 | 456.70000000 | | 11K2F3E |
| 3 | 1 | 456.70000000 | | 4K00F3E |
| 3 | 1 | 456.70000000 | | 4K00F1D |
| 3 | 1 | 456.70000000 | | 4K00F7W |
| 3 | 1 | 456.70000000 | | 11K2F1D |
| 4 | 1 | 456.70000000 | | 4K00F1D |
| 4 | 1 | 456.70000000 | | 4K00F3E |
| 4 | 1 | 456.70000000 | | 11K2F1D |
| 4 | 1 | 456.70000000 | | 4K00F7W |
| 4 | 1 | 456.70000000 | | 11K2F3E |
| 3 | 1 | 456.72500000 | | 11K2F1D |
| 3 | 1 | 456.72500000 | | 4K00F1D |
| 3 | 1 | 456.72500000 | | 4K00F3E |
| 3 | 1 | 456.72500000 | | 11K2F3E |
| 3 | 1 | 456.72500000 | | 4K00F7W |
| 4 | 1 | 456.72500000 | | 11K2F1D |
| 4 | 1 | 456.72500000 | | 4K00F1D |
| 4 | 1 | 456.72500000 | | 4K00F7W |
| 4 | 1 | 456.72500000 | | 11K2F3E |
| 4 | 1 | 456.72500000 | | 4K00F3E |
| 3 | 1 | 456.82500000 | | 11K2F1D |
| 3 | 1 | 456.82500000 | | 4K00F1D |
| 3 | 1 | 456.82500000 | | 4K00F3E |
| 3 | 1 | 456.82500000 | | 4K00F7W |
| 3 | 1 | 456.82500000 | | 11K2F3E |
| 4 | 1 | 456.82500000 | | 4K00F1D |
| 4 | 1 | 456.82500000 | | 4K00F7W |
| 4 | 1 | 456.82500000 | | 11K2F1D |
| 4 | 1 | 456.82500000 | | 11K2F3E |
| 4 | 1 | 456.82500000 | | 4K00F3E |
| 3 | 1 | 456.85000000 | | 4K00F7W |
| 3 | 1 | 456.85000000 | | 11K2F3E |
| 3 | 1 | 456.85000000 | | 4K00F3E |
| 3 | 1 | 456.85000000 | | 11K2F1D |
| 3 | 1 | 456.85000000 | | 4K00F1D |
| 4 | 1 | 456.85000000 | | 11K2F1D |
| 4 | 1 | 456.85000000 | | 4K00F1D |
| 4 | 1 | 456.85000000 | | 11K2F3E |
| 4 | 1 | 456.85000000 | | 4K00F3E |
| 4 | 1 | 456.85000000 | | 4K00F7W |
| 3 | 1 | 456.88750000 | | 11K2F2D |
| 3 | 1 | 456.88750000 | | 11K2F3E |
| 3 | 1 | 456.88750000 | | 4K00F3E |
| 3 | 1 | 456.88750000 | | 4K00F7W |
| 3 | 1 | 456.88750000 | | 4K00F1D |
| 3 | 1 | 456.91250000 | | 4K00F1D |
| 3 | 1 | 456.91250000 | | 11K2F3E |
| 3 | 1 | 456.91250000 | | 4K00F7W |
| 3 | 1 | 456.91250000 | | 4K00F3E |
| 3 | 1 | 456.91250000 | | 11K2F2D |
| 3 | 1 | 456.93750000 | | 4K00F1D |
| 3 | 1 | 456.93750000 | | 11K2F3E |
| 3 | 1 | 456.93750000 | | 4K00F3E |
| 3 | 1 | 456.93750000 | | 4K00F7W |
| 3 | 1 | 456.93750000 | | 11K2F2D |
| 3 | 1 | 456.96250000 | | 11K2F3E |
| 3 | 1 | 456.96250000 | | 4K00F7W |
| 3 | 1 | 456.96250000 | | 4K00F1D |
| 3 | 1 | 456.96250000 | | 11K2F2D |
| 3 | 1 | 456.96250000 | | 4K00F3E |
| 3 | 1 | 457.13750000 | | 11K2F3E |
| 3 | 1 | 457.13750000 | | 4K00F1D |
| 3 | 1 | 457.13750000 | | 4K00F3E |
| 3 | 1 | 457.13750000 | | 11K2F2D |
| 3 | 1 | 457.13750000 | | 4K00F7W |
| 3 | 1 | 457.23750000 | | 4K00F1D |
| 3 | 1 | 457.23750000 | | 11K2F3E |
| 3 | 1 | 457.23750000 | | 4K00F3E |
| 3 | 1 | 457.23750000 | | 4K00F7W |
| 3 | 1 | 457.23750000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TWIN PEAKS RADIO FACILITY, SAN FRANCISCO, MARIN, CA | 37.75158333, -122.45386111 | 241.000 m | TOWER | 24.000 m structure / 24.000 m overall | N |
| 2 | T | GRIZZLY PEAK, OAKLAND, CONTRA COSTA, CA | 37.86436111, -122.22080556 | 454.000 m | TOWER | 46.000 m structure / 46.000 m overall | N |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.000 m | | | | 237.000 | |
| 1 | 2 | T | | 30.000 m | | | | 350.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 2 | 1 | | | 23.000 m | | | | 235.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1154 JUNIPER, Brentwood, CA | CONTRA COSTA | 8006469232 |
License history
| Date | File or call sign | Action |
|---|
| 2025-12-17 | WPMF900 | LIASS |
| 2023-06-05 | WPMF900 | LIREN |
| 2017-04-21 | WPMF900 | LIAUA |
| 2014-12-17 | WPMF900 | LIMOD |
| 2013-06-12 | WPMF900 | LIREN |
| 2013-04-15 | WPMF900 | LETRES |
| 2012-06-06 | WPMF900 | LIMOD |
| 2009-07-21 | WPMF900 | LETCNS |
| 2008-10-20 | WPMF900 | LIMOD |
| 2005-02-15 | WPMF900 | ESCAPR |
| 2005-02-12 | WPMF900 | LIAUA |
| 2005-02-11 | WPMF900 | LIAUA |
| 2003-06-12 | WPMF900 | LIREN |
| 2003-04-14 | WPMF900 | LETRES |
| 2001-10-03 | WPMF900 | AUDOPR |
| 2000-11-23 | WPMF900 | LICCNV |
| 1998-07-09 | WPMF900 | AUTHPR |
| 1998-07-09 | WPMF900 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1793690 | 2026-08-02 01:15:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMF900 | ULS 1793690 | 2026-08-02 01:15:39 |
| Status | A | ULS 1793690 | 2026-08-02 01:15:39 |
| Service | YG | ULS 1793690 | 2026-08-02 01:15:39 |
| Grant Date | 2023-06-05 | ULS 1793690 | 2026-08-02 01:15:39 |
| Expiration Date | 2033-07-09 | ULS 1793690 | 2026-08-02 01:15:39 |