Universal Licensing System
WRCH903
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4088706 |
|---|
| Call sign | WRCH903 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2018-10-05 |
|---|
| Expiration | 2028-10-05 |
|---|
| Frequency range | 19325 - 19625 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | PITTSBURG, CONTRA COSTA, CA |
|---|
| Coordinates | 38.0158056, -121.8878611 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:16 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 19325.00000000 | | | | | |
| 1 | 4 | FXO | 19325.00000000 | | | | | |
| 1 | 5 | FXO | 19325.00000000 | | | | | |
| 1 | 6 | FXO | 19325.00000000 | | | | | |
| 1 | 3 | FXO | 19625.00000000 | | | | | |
| 1 | 4 | FXO | 19625.00000000 | | | | | |
| 1 | 5 | FXO | 19625.00000000 | | | | | |
| 1 | 6 | FXO | 19625.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 19325.00000000 | | 50M0D7W |
| 1 | 4 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 5 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 6 | 19325.00000000 | | 50M0D7W |
| 1 | 3 | 19625.00000000 | | 50M0D7W |
| 1 | 4 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 5 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
| 1 | 6 | 19625.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 95 BLISS AVENUE, PITTSBURG, CONTRA COSTA, CA | 38.01580556, -121.88786111 | 23.200 m | MTOWER | 27.700 m structure / 29.000 m overall | N |
| 2 | R | | 37.94311111, -121.89116667 | 575.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 3 | 1 | T | RFS UXA6-190B | | H | 48.0000 | 182.1000 | | |
| 3 | 2 | R | RFS UXA6-190B | | | 48.0000 | | | |
| 4 | 1 | T | RFS UXA6-190B | | V | 48.0000 | 182.1000 | | |
| 4 | 2 | R | RFS UXA6-190B | | | 48.0000 | | | |
| 5 | 1 | T | RFS UXA6-190B | | H | 48.0000 | 182.1000 | | |
| 5 | 2 | R | RFS UXA6-190B | | | 48.0000 | | | |
| 6 | 1 | T | RFS UXA6-190B | | V | 48.0000 | 182.1000 | | |
| 6 | 2 | R | RFS UXA6-190B | | | 48.0000 | | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2026-05-28 | WRCH903 | LIMOD |
| 2025-09-04 | WRCH903 | LIAUA |
| 2024-01-25 | WRCH903 | LIAUA |
| 2023-01-18 | WRCH903 | LIAUA |
| 2023-01-12 | WRCH903 | LIAUA |
| 2021-02-25 | WRCH903 | LIMOD |
| 2021-02-18 | WRCH903 | LIMOD |
| 2018-10-05 | WRCH903 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4088706 | 2026-08-02 02:47:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRCH903 | ULS 4088706 | 2026-08-02 02:47:16 |
| Status | A | ULS 4088706 | 2026-08-02 02:47:16 |
| Service | CF | ULS 4088706 | 2026-08-02 02:47:16 |
| Grant Date | 2018-10-05 | ULS 4088706 | 2026-08-02 02:47:16 |
| Expiration Date | 2028-10-05 | ULS 4088706 | 2026-08-02 02:47:16 |