Universal Licensing System
WRDB753
Chevron USA Inc.
License details
| ULS identifier | 4136477 |
|---|
| Call sign | WRDB753 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2019-03-21 |
|---|
| Expiration | 2029-03-21 |
|---|
| Frequency range | 21970 - 22225 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Milliken, WELD, CO |
|---|
| Coordinates | 40.3114722, -104.8423333 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:44:40 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 21970.00000000 | | | | | |
| 1 | 1 | FXO | 22225.00000000 | | | | | |
| 1 | 1 | FXO | 22225.00000000 | | | | | |
| 1 | 1 | FXO | 22225.00000000 | | | | | |
| 1 | 1 | FXO | 22225.00000000 | | | | | |
| 1 | 1 | FXO | 22225.00000000 | | | | | |
| 1 | 1 | FXO | 22225.00000000 | | | | | |
| 1 | 1 | FXO | 22225.00000000 | | | | | |
| 1 | 1 | FXO | 22225.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 2 | 21970.00000000 | | 40M0D7W |
| 1 | 1 | 22225.00000000 | | 50M0D7W |
| 1 | 1 | 22225.00000000 | | 50M0D7W |
| 1 | 1 | 22225.00000000 | | 50M0D7W |
| 1 | 1 | 22225.00000000 | | 50M0D7W |
| 1 | 1 | 22225.00000000 | | 50M0D7W |
| 1 | 1 | 22225.00000000 | | 50M0D7W |
| 1 | 1 | 22225.00000000 | | 50M0D7W |
| 1 | 1 | 22225.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 0.55 miles South of Inez St. Via Alice Ave, Milliken, WELD, CO | 40.31147222, -104.84233333 | 1466.000 m | LTOWER | 9.200 m structure / 9.200 m overall | N |
| 2 | R | | 40.30191667, -104.90358333 | 1500.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SB1-220B | | V | 35.6000 | 258.4000 | | |
| 1 | 2 | R | RFS SC2-220B | | | 41.0000 | | | |
| 2 | 1 | T | CommScope VHLP1-23C | | V | 35.6000 | 258.5000 | | |
| 2 | 2 | R | CommScope VHLP2-23D | | | 40.7000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-26 | WRDB753 | FRATRE |
| 2026-01-21 | WRDB753 | PNLISR |
| 2026-01-21 | WRDB753 | LETTRS |
| 2025-09-16 | WRDB753 | LETCNS |
| 2024-06-14 | WRDB753 | LIMOD |
| 2023-08-07 | WRDB753 | LIASS |
| 2019-03-21 | WRDB753 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4136477 | 2026-08-02 02:44:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB753 | ULS 4136477 | 2026-08-02 02:44:40 |
| Status | A | ULS 4136477 | 2026-08-02 02:44:40 |
| Service | MG | ULS 4136477 | 2026-08-02 02:44:40 |
| Grant Date | 2019-03-21 | ULS 4136477 | 2026-08-02 02:44:40 |
| Expiration Date | 2029-03-21 | ULS 4136477 | 2026-08-02 02:44:40 |