Universal Licensing System
WQHK581
Unwired Ltd
License details
| ULS identifier | 2939661 |
|---|
| Call sign | WQHK581 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2017-06-15 |
|---|
| Expiration | 2027-08-22 |
|---|
| Frequency range | 17915 - 19460 MHz (6 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Sausalito, MARIN, CA |
|---|
| Coordinates | 37.8510000, -122.4983333 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:44:19 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17915.00000000 | | | | | |
| 1 | 5 | FXO | 17980.00000000 | | | | | |
| 1 | 5 | FXO | 17980.00000000 | | | | | |
| 1 | 5 | FXO | 17980.00000000 | | | | | |
| 1 | 5 | FXO | 17980.00000000 | | | | | |
| 1 | 5 | FXO | 17980.00000000 | | | | | |
| 1 | 5 | FXO | 17980.00000000 | | | | | |
| 1 | 5 | FXO | 17980.00000000 | | | | | |
| 1 | 5 | FXO | 17980.00000000 | | | | | |
| 1 | 5 | FXO | 17980.00000000 | | | | | |
| 1 | 2 | FXO | 18015.00000000 | | | | | |
| 1 | 6 | FXO | 18060.00000000 | | | | | |
| 1 | 6 | FXO | 18060.00000000 | | | | | |
| 1 | 6 | FXO | 18060.00000000 | | | | | |
| 1 | 6 | FXO | 18060.00000000 | | | | | |
| 1 | 6 | FXO | 18060.00000000 | | | | | |
| 1 | 6 | FXO | 18060.00000000 | | | | | |
| 1 | 6 | FXO | 18060.00000000 | | | | | |
| 1 | 6 | FXO | 18060.00000000 | | | | | |
| 1 | 6 | FXO | 18060.00000000 | | | | | |
| 1 | 9 | FXO | 19380.00000000 | | | | | |
| 1 | 10 | FXO | 19460.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17915.00000000 | | 49M0D7W |
| 1 | 5 | 17980.00000000 | | 64M5D7W |
| 1 | 5 | 17980.00000000 | | 64M5D7W |
| 1 | 5 | 17980.00000000 | | 64M5D7W |
| 1 | 5 | 17980.00000000 | | 64M5D7W |
| 1 | 5 | 17980.00000000 | | 64M5D7W |
| 1 | 5 | 17980.00000000 | | 64M5D7W |
| 1 | 5 | 17980.00000000 | | 64M5D7W |
| 1 | 5 | 17980.00000000 | | 64M5D7W |
| 1 | 5 | 17980.00000000 | | 64M5D7W |
| 1 | 2 | 18015.00000000 | | 49M0D7W |
| 1 | 6 | 18060.00000000 | | 64M5D7W |
| 1 | 6 | 18060.00000000 | | 64M5D7W |
| 1 | 6 | 18060.00000000 | | 64M5D7W |
| 1 | 6 | 18060.00000000 | | 64M5D7W |
| 1 | 6 | 18060.00000000 | | 64M5D7W |
| 1 | 6 | 18060.00000000 | | 64M5D7W |
| 1 | 6 | 18060.00000000 | | 64M5D7W |
| 1 | 6 | 18060.00000000 | | 64M5D7W |
| 1 | 6 | 18060.00000000 | | 64M5D7W |
| 1 | 9 | 19380.00000000 | | 75M7D7W |
| 1 | 9 | 19380.00000000 | | 75M7D7W |
| 1 | 9 | 19380.00000000 | | 75M7D7W |
| 1 | 9 | 19380.00000000 | | 75M7D7W |
| 1 | 9 | 19380.00000000 | | 75M7D7W |
| 1 | 9 | 19380.00000000 | | 75M7D7W |
| 1 | 9 | 19380.00000000 | | 75M7D7W |
| 1 | 9 | 19380.00000000 | | 75M7D7W |
| 1 | 9 | 19380.00000000 | | 75M7D7W |
| 1 | 10 | 19460.00000000 | | 75M7D7W |
| 1 | 10 | 19460.00000000 | | 75M7D7W |
| 1 | 10 | 19460.00000000 | | 75M7D7W |
| 1 | 10 | 19460.00000000 | | 75M7D7W |
| 1 | 10 | 19460.00000000 | | 75M7D7W |
| 1 | 10 | 19460.00000000 | | 75M7D7W |
| 1 | 10 | 19460.00000000 | | 75M7D7W |
| 1 | 10 | 19460.00000000 | | 75M7D7W |
| 1 | 10 | 19460.00000000 | | 75M7D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Wolfback Ridge, Sausalito, MARIN, CA | 37.85100000, -122.49833333 | 347.000 m | LTOWER | 5.000 m structure / 5.000 m overall | N |
| 2 | R | | 37.88194444, -122.23322222 | 516.000 m | | | |
| 3 | R | | 37.75527778, -122.45277778 | 254.200 m | | | |
| 4 | R | | 37.99019444, -122.50013889 | 324.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | DRAGONWAVE A-ANT-18G-4-C | | V | 44.5000 | 81.5000 | | |
| 1 | 2 | R | DRAGONWAVE A-ANT-18G-3-C | | | 42.0000 | | | |
| 1 | 4 | R | DRAGONWAVE A-ANT-18G-36-C-R | | | 42.0000 | | | |
| 2 | 1 | T | DRAGONWAVE A-ANT-18G-4-C | | H | 44.5000 | 81.5000 | | |
| 2 | 2 | R | DRAGONWAVE A-ANT-18G-3-C | | | 42.0000 | | | |
| 2 | 4 | R | DRAGONWAVE A-ANT-18G-36-C-R | | | 42.0000 | | | |
| 5 | 1 | T | DRAGONWAVE A-ANT-18G-36-C-R | | V | 42.0000 | 359.4000 | | |
| 5 | 3 | R | Radio Waves HPD2-18 | | | 38.4000 | | | |
| 6 | 1 | T | DRAGONWAVE A-ANT-18G-36-C-R | | H | 42.0000 | 359.4000 | | |
| 6 | 3 | R | Radio Waves HPD2-18 | | | 38.4000 | | | |
| 9 | 1 | T | Radio Waves HPD3-18 | | H | 41.8000 | 159.4000 | | |
| 10 | 1 | T | Radio Waves HPD3-18 | | V | 41.8000 | 159.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-09-03 | WQHK581 | LIMOD |
| 2021-04-27 | WQHK581 | LETCNS |
| 2020-01-27 | WQHK581 | LIMOD |
| 2018-12-14 | WQHK581 | LIMOD |
| 2017-06-15 | WQHK581 | LIREN |
| 2017-05-29 | WQHK581 | LETRES |
| 2014-05-13 | WQHK581 | LIMOD |
| 2007-08-22 | WQHK581 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2939661 | 2026-08-02 02:44:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQHK581 | ULS 2939661 | 2026-08-02 02:44:19 |
| Status | A | ULS 2939661 | 2026-08-02 02:44:19 |
| Service | MG | ULS 2939661 | 2026-08-02 02:44:19 |
| Grant Date | 2017-06-15 | ULS 2939661 | 2026-08-02 02:44:19 |
| Expiration Date | 2027-08-22 | ULS 2939661 | 2026-08-02 02:44:19 |