Universal Licensing System
WRF4
Alaska Aviation Radio Inc
License details
| ULS identifier | 1982059 |
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| Call sign | WRF4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2017-04-04 |
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| Expiration | 2027-03-10 |
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| Frequency range | 122.8 MHz |
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| Locations | 1 |
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| Representative location | PORT HEIDEN, AK |
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| Coordinates | 56.9670000, -158.6312500 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FAA | 122.80000000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 122.80000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PORT HEIDEN AIRPORT, PORT HEIDEN, AK | 56.96700000, -158.63125000 | 26.000 m | B | 6.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-10-26 | WRF4 | LIAUA |
| 2021-10-23 | WRF4 | LIAUA |
| 2017-04-04 | WRF4 | LIREN |
| 2016-12-12 | WRF4 | LETRES |
| 2007-12-08 | WRF4 | LIAUA |
| 2007-12-07 | WRF4 | ESUAPR |
| 2007-04-10 | WRF4 | LIREN |
| 2007-03-03 | WRF4 | ESCAPR |
| 2006-12-18 | WRF4 | LETRES |
| 2002-04-23 | WRF4 | LIREN |
| 2001-12-17 | WRF4 | LETRES |
| 2001-04-27 | WRF4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1982059 | 2026-08-02 02:08:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRF4 | ULS 1982059 | 2026-08-02 02:08:27 |
| Status | A | ULS 1982059 | 2026-08-02 02:08:27 |
| Service | AF | ULS 1982059 | 2026-08-02 02:08:27 |
| Grant Date | 2017-04-04 | ULS 1982059 | 2026-08-02 02:08:27 |
| Expiration Date | 2027-03-10 | ULS 1982059 | 2026-08-02 02:08:27 |