Universal Licensing System
WQWH521
USAi.net Inc
License details
| ULS identifier | 3729839 |
|---|
| Call sign | WQWH521 |
|---|
| Radio service | MG |
|---|
| Status | E |
|---|
| Grant date | 2015-08-24 |
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| Expiration | 2025-08-24 |
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| Cancellation | 2025-12-13 |
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| Frequency range | 17980 MHz |
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| Locations | 2 |
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| Representative location | Cambridge, MIDDLESEX, MA |
|---|
| Coordinates | 42.3581389, -71.1026944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:05 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17980.00000000 | | 56M0D7W |
| 1 | 1 | 17980.00000000 | | 56M0D7W |
| 1 | 1 | 17980.00000000 | | 56M0D7W |
| 1 | 1 | 17980.00000000 | | 56M0D7W |
| 1 | 1 | 17980.00000000 | | 56M0D7W |
| 1 | 1 | 17980.00000000 | | 56M0D7W |
| 1 | 1 | 17980.00000000 | | 56M0D7W |
| 1 | 1 | 17980.00000000 | | 56M0D7W |
| 1 | 1 | 17980.00000000 | | 56M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 281 Albany Street, Cambridge, MIDDLESEX, MA | 42.35813889, -71.10269444 | 7.100 m | B | 9.800 m structure / 10.700 m overall | |
| 2 | R | | 42.35850000, -71.05847222 | 35.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | TRANGO SYSTEMS AD18G-2-T2 | | H | 38.9000 | 89.4000 | | |
| 1 | 2 | R | TRANGO SYSTEMS AD18G-1-T2 | | | 34.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-12-13 | WQWH521 | LIEXP |
| 2025-06-02 | WQWH521 | LETRES |
| 2019-08-28 | WQWH521 | LIAUA |
| 2015-08-24 | WQWH521 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3729839 | 2026-08-02 02:43:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQWH521 | ULS 3729839 | 2026-08-02 02:43:05 |
| Status | E | ULS 3729839 | 2026-08-02 02:43:05 |
| Service | MG | ULS 3729839 | 2026-08-02 02:43:05 |
| Grant Date | 2015-08-24 | ULS 3729839 | 2026-08-02 02:43:05 |
| Expiration Date | 2025-08-24 | ULS 3729839 | 2026-08-02 02:43:05 |
| Cancellation Date | 2025-12-13 | ULS 3729839 | 2026-08-02 02:43:05 |