Universal Licensing System
WQQR974
Towerstream Corp.
License details
| ULS identifier | 3448223 |
|---|
| Call sign | WQQR974 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2013-02-20 |
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| Expiration | 2023-02-20 |
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| Cancellation | 2016-03-31 |
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| Frequency range | 17915 - 21225 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | SAN FRANCISCO, SAN FRANCISCO, CA |
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| Coordinates | 37.7515833, -122.4461111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 17915.00000000 | | | | | |
| 1 | 1 | FXO | 21225.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 17915.00000000 | | 47M1D7W |
| 1 | 1 | 21225.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 70 CRESTLINE DR, SAN FRANCISCO, SAN FRANCISCO, CA | 37.75158333, -122.44611111 | 223.400 m | B | 11.000 m structure / 12.500 m overall | |
| 2 | R | | 37.77622222, -122.41447222 | 15.500 m | | | |
| 3 | R | | 37.78800000, -122.40936111 | 24.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES, INC HPLP1-23 | | V | 35.1000 | 45.5000 | | |
| 1 | 2 | R | RADIO WAVES, INC HP2-23 | | | 40.2000 | | | |
| 1 | 3 | R | RADIO WAVES, INC HP2-18 | | | 38.6000 | | | |
| 2 | 1 | T | RADIO WAVES, INC HP2-18 | | V | 38.6000 | 38.7000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2016-04-01 | WQQR974 | LICAN |
| 2014-05-20 | WQQR974 | LETCNS |
| 2013-02-20 | WQQR974 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3448223 | 2026-08-02 02:47:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQQR974 | ULS 3448223 | 2026-08-02 02:47:27 |
| Status | C | ULS 3448223 | 2026-08-02 02:47:27 |
| Service | CF | ULS 3448223 | 2026-08-02 02:47:27 |
| Grant Date | 2013-02-20 | ULS 3448223 | 2026-08-02 02:47:27 |
| Expiration Date | 2023-02-20 | ULS 3448223 | 2026-08-02 02:47:27 |
| Cancellation Date | 2016-03-31 | ULS 3448223 | 2026-08-02 02:47:27 |