Universal Licensing System
WRBQ600
ISP Industries LLC db/a isp.net
License details
| ULS identifier | 4048289 |
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| Call sign | WRBQ600 |
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| Radio service | CF |
|---|
| Status | A |
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| Grant date | 2018-05-22 |
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| Expiration | 2028-05-22 |
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| Frequency range | 17820 - 17900 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SEATTLE, KING, WA |
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| Coordinates | 47.5628056, -122.3237222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:55 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17820.00000000 | | 80M0G7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0G7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4500 7TH AVE, SEATTLE, KING, WA | 47.56280556, -122.32372222 | 4.000 m | B | 10.000 m structure / 10.000 m overall | |
| 2 | R | | 47.60608333, -122.33402778 | 40.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP2-18C | | H | 39.0000 | 350.9000 | | |
| 1 | 2 | R | COMMSCOPE VHLP2-18C | | | 39.0000 | | | |
| 2 | 1 | T | COMMSCOPE VHLP2-18C | | V | 39.0000 | 350.9000 | | |
| 2 | 2 | R | COMMSCOPE VHLP2-18C | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-17 | WRBQ600 | LIASS |
| 2023-07-24 | WRBQ600 | LIASS |
| 2020-02-01 | WRBQ600 | LITRAN |
| 2019-08-27 | WRBQ600 | LETCNS |
| 2018-06-08 | WRBQ600 | LIAUA |
| 2018-05-22 | WRBQ600 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4048289 | 2026-08-02 02:43:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBQ600 | ULS 4048289 | 2026-08-02 02:43:55 |
| Status | A | ULS 4048289 | 2026-08-02 02:43:55 |
| Service | CF | ULS 4048289 | 2026-08-02 02:43:55 |
| Grant Date | 2018-05-22 | ULS 4048289 | 2026-08-02 02:43:55 |
| Expiration Date | 2028-05-22 | ULS 4048289 | 2026-08-02 02:43:55 |