Universal Licensing System
WRBU980
Sail Internet, Inc.
License details
| ULS identifier | 4060495 |
|---|
| Call sign | WRBU980 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2018-06-27 |
|---|
| Expiration | 2028-06-27 |
|---|
| Frequency range | 17900 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | Cupertino, SANTA CLARA, CA |
|---|
| Coordinates | 37.3006389, -122.1151944 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:38 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 4 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
| 1 | 3 | FXO | 19620.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 4 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 2 | 19380.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
| 1 | 3 | 19620.00000000 | | 80M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 15923-15999 Flintlock Rd, Cupertino, SANTA CLARA, CA | 37.30063889, -122.11519444 | 676.000 m | LTOWER | 12.000 m structure / 12.000 m overall | N |
| 3 | R | | 37.31777778, -122.03116667 | 73.300 m | | | |
| 4 | R | | 37.38847222, -122.04991667 | 25.200 m | | | |
| 5 | R | | 37.33330556, -122.03288889 | 67.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 3 | R | RFS SCX3-190A | | | 43.3000 | | | |
| 1 | 4 | R | RFS SBX4-190C OMT | | | 43.9000 | | | |
| 1 | 5 | R | COMMSCOPE VHLP3-18A | | | 43.5000 | | | |
| 2 | 1 | T | RFS SCX3-190A | | S | 43.3000 | 75.7000 | | |
| 3 | 1 | T | RFS SBX4-190C OMT | | S | 43.9000 | 30.7000 | | |
| 4 | 1 | T | COMMSCOPE VHLP3-18A | | S | 43.5000 | 63.6000 | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-01 | WRBU980 | FRATRE |
| 2026-05-07 | WRBU980 | LETTRS |
| 2026-05-06 | WRBU980 | PNLISR |
| 2026-02-13 | WRBU980 | LIAUA |
| 2025-12-30 | WRBU980 | LETCNS |
| 2025-01-18 | WRBU980 | LIAUA |
| 2024-10-02 | WRBU980 | LIMOD |
| 2024-04-18 | WRBU980 | LIMOD |
| 2020-10-30 | WRBU980 | LITRAN |
| 2020-07-21 | WRBU980 | LETCNS |
| 2020-05-05 | WRBU980 | LETCNS |
| 2019-04-18 | WRBU980 | LIMOD |
| 2019-02-01 | WRBU980 | LIMOD |
| 2018-06-27 | WRBU980 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4060495 | 2026-08-02 02:46:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBU980 | ULS 4060495 | 2026-08-02 02:46:38 |
| Status | A | ULS 4060495 | 2026-08-02 02:46:38 |
| Service | MG | ULS 4060495 | 2026-08-02 02:46:38 |
| Grant Date | 2018-06-27 | ULS 4060495 | 2026-08-02 02:46:38 |
| Expiration Date | 2028-06-27 | ULS 4060495 | 2026-08-02 02:46:38 |