Universal Licensing System
WRLT4913
AEROTRONICS INC
License details
| ULS identifier | 1983940 |
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| Call sign | WRLT4913 |
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| Radio service | AR |
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| Status | E |
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| Grant date | 1997-09-09 |
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| Expiration | 2002-09-15 |
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| Cancellation | 2002-12-15 |
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| Frequency range | 108 - 108.1 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | BILLINGS, YELLOWSTONE, MT |
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| Coordinates | 45.8099444, -108.5256944 |
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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 | AEROTRONICS INC |
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| Applicant type | C |
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| Location | BILLINGS, MT |
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| Address | LOGAN FIELD, BILLINGS, MT, 59105 |
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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 | RLT | 108.00000000 | | | 1.000000 | | |
| 1 | 1 | RLT | 108.10000000 | | | 1.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 108.00000000 | | 20K9A9W |
| 1 | 1 | 108.10000000 | | 6K00A9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | LOGAN INTERNATIONAL AIRPORT, BILLINGS, YELLOWSTONE, MT | 45.80994444, -108.52569444 | 1067.000 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 |
|---|
| 2002-12-15 | WRLT4913 | LIEXP |
| 2002-06-24 | WRLT4913 | LETRES |
| 2001-04-27 | WRLT4913 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1983940 | 2026-08-02 02:08:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRLT4913 | ULS 1983940 | 2026-08-02 02:08:49 |
| Status | E | ULS 1983940 | 2026-08-02 02:08:49 |
| Service | AR | ULS 1983940 | 2026-08-02 02:08:49 |
| Grant Date | 1997-09-09 | ULS 1983940 | 2026-08-02 02:08:49 |
| Expiration Date | 2002-09-15 | ULS 1983940 | 2026-08-02 02:08:49 |
| Cancellation Date | 2002-12-15 | ULS 1983940 | 2026-08-02 02:08:49 |