Universal Licensing System
WROT831
AIR METHODS
License details
| ULS identifier | 4530674 |
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| Call sign | WROT831 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2021-12-07 |
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| Expiration | 2031-12-07 |
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| Frequency range | 155.2125 MHz |
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| Locations | 2 |
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| Representative location | FORT HUNTER LIGGETT, MONTEREY, CA |
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| Coordinates | 35.9944444, -121.2344444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:45 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 155.21250000 | | | 45.000000 | 60.000000 | |
| 2 | 1 | MO | 155.21250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 155.21250000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 155.21250000 | | | 10.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 155.21250000 | | 11K0F3E |
| 2 | 1 | 155.21250000 | | 11K0F3E |
| 2 | 1 | 155.21250000 | | 11K0F3E |
| 2 | 1 | 155.21250000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MERCY AIR BASE, BLDG TR 321 AVIATION AVE, FORT HUNTER LIGGETT, MONTEREY, CA | 35.99444444, -121.23444444 | 311.000 m | B | 5.000 m structure / 6.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.000 m | V | 2.0000 | | -145.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5307 LINDBERGH DRIVE, OMAHA, NE | DOUGLAS | 4029701430 |
| 2 | MERCY AIR - BLDG TR 321 AVIATION ROAD, FT HUNTER LIGGETT, CA | MONTEREY | 4029701430 |
License history
| Date | File or call sign | Action |
|---|
| 2023-08-11 | WROT831 | LIAUA |
| 2021-12-07 | WROT831 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4530674 | 2026-08-02 01:16:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROT831 | ULS 4530674 | 2026-08-02 01:16:45 |
| Status | A | ULS 4530674 | 2026-08-02 01:16:45 |
| Service | PW | ULS 4530674 | 2026-08-02 01:16:45 |
| Grant Date | 2021-12-07 | ULS 4530674 | 2026-08-02 01:16:45 |
| Expiration Date | 2031-12-07 | ULS 4530674 | 2026-08-02 01:16:45 |