Universal Licensing System
WRFR673
DURHAM PUMP INC
License details
| ULS identifier | 4272643 |
|---|
| Call sign | WRFR673 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2020-04-18 |
|---|
| Expiration | 2030-04-18 |
|---|
| Frequency range | 461.025 - 464.475 MHz (13 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | Durham, BUTTE, CA |
|---|
| Coordinates | 39.6457778, -121.7964722 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:14:24 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 461.02500000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | MO | 462.11250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 462.20000000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 462.22500000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 462.43750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 462.45000000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 463.32500000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 463.32500000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 463.32500000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | MO | 463.32500000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 463.36250000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | MO | 463.36250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 463.57500000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | MO | 463.68750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 464.03750000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 464.37500000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 464.37500000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | MO | 464.37500000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 464.47500000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 461.02500000 | | 11K2F1D |
| 4 | 1 | 462.11250000 | | 11K2F1D |
| 2 | 1 | 462.20000000 | | 11K2F1D |
| 3 | 1 | 462.22500000 | | 11K2F1D |
| 2 | 1 | 462.43750000 | | 11K2F1D |
| 3 | 1 | 462.45000000 | | 11K2F1D |
| 1 | 1 | 463.32500000 | | 11K2F1D |
| 2 | 1 | 463.32500000 | | 11K2F1D |
| 3 | 1 | 463.32500000 | | 11K2F1D |
| 4 | 1 | 463.32500000 | | 11K2F1D |
| 1 | 1 | 463.36250000 | | 11K2F1D |
| 4 | 1 | 463.36250000 | | 11K2F1D |
| 2 | 1 | 463.57500000 | | 11K2F1D |
| 4 | 1 | 463.68750000 | | 11K2F1D |
| 3 | 1 | 464.03750000 | | 11K2F1D |
| 1 | 1 | 464.37500000 | | 11K2F1D |
| 2 | 1 | 464.37500000 | | 11K2F1D |
| 4 | 1 | 464.37500000 | | 11K2F1D |
| 3 | 1 | 464.47500000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Durham, BUTTE, CA | 39.64577778, -121.79647222 | | | | |
| 2 | T | Arbuckle, COLUSA, CA | 39.04252778, -122.07113889 | | | | |
| 3 | T | Del Rey, FRESNO, CA | 36.63797222, -119.59300000 | | | | |
| 4 | T | Orovada, HUMBOLDT, NV | 41.62797222, -117.82888889 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2313 Durham-Dayton Hwy, Durham, CA | BUTTE | 5308914821 |
License history
| Date | File or call sign | Action |
|---|
| 2020-04-18 | WRFR673 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4272643 | 2026-08-02 01:14:24 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFR673 | ULS 4272643 | 2026-08-02 01:14:24 |
| Status | A | ULS 4272643 | 2026-08-02 01:14:24 |
| Service | IG | ULS 4272643 | 2026-08-02 01:14:24 |
| Grant Date | 2020-04-18 | ULS 4272643 | 2026-08-02 01:14:24 |
| Expiration Date | 2030-04-18 | ULS 4272643 | 2026-08-02 01:14:24 |