Universal Licensing System
WBU987
CALIFORNIA, STATE OF
License details
| ULS identifier | 971621 |
|---|
| Call sign | WBU987 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2020-01-01 |
|---|
| Expiration | 2030-03-07 |
|---|
| Frequency range | 6004.5 - 6605 MHz (4 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | KIRKWOOD, ALPINE, CA |
|---|
| Coordinates | 38.7088056, -120.0393611 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:20 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 3 | FXO | 6034.15000000 | | | | | |
| 1 | 3 | FXO | 6034.15000000 | | | | | |
| 1 | 3 | FXO | 6034.15000000 | | | | | |
| 1 | 3 | FXO | 6034.15000000 | | | | | |
| 1 | 3 | FXO | 6034.15000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
| 1 | 1 | FXO | 6605.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 25M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6123.10000000 | | 30M0D7W |
| 1 | 1 | 6605.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DOT MAINTENANCE STATION HWY 88, KIRKWOOD, ALPINE, CA | 38.70880556, -120.03936111 | 2407.900 m | LTOWER | 18.300 m structure / 22.900 m overall | N |
| 2 | P | CA | 38.68908333, -120.05713889 | 2645.700 m | MAST | 4.900 m structure / 9.800 m overall | N |
| 3 | R | | 38.84186111, -120.40825000 | 1863.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION P10-65C | | V | 43.9000 | 215.2000 | | |
| 1 | 2 | P | ALL MANUFACTURERS 16x24 FT PASSIVE | | V | | 299.2000 | | |
| 1 | 3 | R | ANDREW CORPORATION P10-65C | | | 43.9000 | | | |
| 2 | 1 | T | COMMSCOPE HX10-6W | | V | 43.2000 | 215.0000 | | |
| 2 | 2 | P | ALL MANUFACTURERS 16X24 FT PASSIVE | | V | | 299.2000 | | |
| 2 | 3 | R | COMMSCOPE HX10-6W | | | 43.2000 | | | |
| 3 | 1 | T | COMMSCOPE HX10-6W | | V | 43.2000 | 215.2000 | | |
| 3 | 2 | P | ALL MANUFACTURERS 16X24 FT PASSIVE | | V | | 299.2000 | | |
| 3 | 3 | R | COMMSCOPE HX10-6W | | | 43.2000 | | | |
| 4 | 1 | T | CommScope HX10-6W | | H | 43.2000 | 215.2000 | | |
| 4 | 2 | P | ALL MANUFACTURERS 16X24 FT PASSIVE | | H | | 299.2000 | | |
| 4 | 3 | R | CommScope HX10-6W | | | 43.2000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-22 | WBU987 | LETCNS |
| 2024-04-23 | WBU987 | LIMOD |
| 2024-02-16 | WBU987 | LIMOD |
| 2020-08-20 | WBU987 | LIAUA |
| 2020-04-28 | WBU987 | LIAUA |
| 2020-01-01 | WBU987 | LIREN |
| 2019-12-16 | WBU987 | LETRES |
| 2015-02-11 | WBU987 | LIAUA |
| 2015-02-10 | WBU987 | ESUAPR |
| 2010-11-03 | WBU987 | LIAUA |
| 2010-11-02 | WBU987 | ESCAPR |
| 2009-12-15 | WBU987 | LIREN |
| 2009-12-14 | WBU987 | ESUAPR |
| 2009-12-14 | WBU987 | LETRES |
| 2009-12-07 | WBU987 | ESURNW |
| 2005-08-19 | WBU987 | AUTHPR |
| 2005-08-18 | WBU987 | COR |
| 2005-08-18 | WBU987 | INTDUP |
| 2005-08-05 | WBU987 | LIMOD |
| 2000-02-04 | WBU987 | LIREN |
| 1999-12-11 | WBU987 | LETRES |
| 1999-08-13 | WBU987 | LICCNV |
| 1995-03-07 | WBU987 | LIREN |
| 1990-02-01 | WBU987 | LIMOD |
| 1989-12-22 | WBU987 | LIMOD |
| 1985-03-22 | WBU987 | LIMOD |
| 1980-04-08 | WBU987 | LIMOD |
| 1977-07-15 | WBU987 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 971621 | 2026-08-02 02:46:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WBU987 | ULS 971621 | 2026-08-02 02:46:20 |
| Status | A | ULS 971621 | 2026-08-02 02:46:20 |
| Service | MW | ULS 971621 | 2026-08-02 02:46:20 |
| Grant Date | 2020-01-01 | ULS 971621 | 2026-08-02 02:46:20 |
| Expiration Date | 2030-03-07 | ULS 971621 | 2026-08-02 02:46:20 |