Universal Licensing System
WRK4
STERLING AIR INC
License details
| ULS identifier | 1982096 |
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| Call sign | WRK4 |
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| Radio service | AF |
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| Status | E |
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| Grant date | 1999-08-04 |
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| Expiration | 2004-07-26 |
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| Cancellation | 2004-09-26 |
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| Frequency range | 122.9 MHz |
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| Locations | 1 |
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| Representative location | STERLING, WORCESTER, MA |
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| Coordinates | 42.4309167, -71.7959167 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:49 |
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Licensee
| Name | STERLING AIR INC |
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| Applicant type | C |
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| Location | STERLING, MA |
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| Address | 121 GREENLAND RD, STERLING, MA, 01564 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MFL | 122.90000000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 122.90000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | STERLING AIRPORT, STERLING, WORCESTER, MA | 42.43091667, -71.79591667 | 140.000 m | B | 5.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 6.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2004-09-26 | WRK4 | LIEXP |
| 2004-05-03 | WRK4 | LETRES |
| 2001-04-27 | WRK4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1982096 | 2026-08-02 02:08:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRK4 | ULS 1982096 | 2026-08-02 02:08:49 |
| Status | E | ULS 1982096 | 2026-08-02 02:08:49 |
| Service | AF | ULS 1982096 | 2026-08-02 02:08:49 |
| Grant Date | 1999-08-04 | ULS 1982096 | 2026-08-02 02:08:49 |
| Expiration Date | 2004-07-26 | ULS 1982096 | 2026-08-02 02:08:49 |
| Cancellation Date | 2004-09-26 | ULS 1982096 | 2026-08-02 02:08:49 |