Universal Licensing System
WNGP421
ALASKA AIRLINES INC
License details
| ULS identifier | 1654012 |
|---|
| Call sign | WNGP421 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2021-08-10 |
|---|
| Expiration | 2031-09-16 |
|---|
| Frequency range | 452.4125 - 452.8875 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | BELLINGHAM, WHATCOM, WA |
|---|
| Coordinates | 48.7955000, -122.5306389 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:16:16 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 451.56250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 451.66250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 452.31250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 452.41250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 452.88750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2A | 460.70000000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MOA | 460.70000000 | | | 3.000000 | 2.000000 | |
| 2 | 1 | MOA | 465.70000000 | | | 3.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.56250000 | | 11K2F3E |
| 3 | 1 | 451.56250000 | | 11K2F1E |
| 3 | 1 | 451.66250000 | | 11K2F1E |
| 3 | 1 | 451.66250000 | | 11K2F3E |
| 3 | 1 | 452.31250000 | | 11K2F1E |
| 3 | 1 | 452.31250000 | | 11K2F3E |
| 3 | 1 | 452.41250000 | | 11K2F1E |
| 3 | 1 | 452.41250000 | | 11K2F3E |
| 3 | 1 | 452.88750000 | | 11K2F3E |
| 3 | 1 | 452.88750000 | | 11K2F1E |
| 1 | 1 | 460.70000000 | | 11K2F1E |
| 1 | 1 | 460.70000000 | | 11K2F3E |
| 2 | 1 | 460.70000000 | | 11K2F3E |
| 2 | 1 | 465.70000000 | | 11K2F1E |
| 2 | 1 | 465.70000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SEATAC INTERNATIONAL AIRPORT, SEATTLE, KING, WA | 47.44872222, -122.30233333 | 131.000 m | BANT | 9.000 m structure / 12.000 m overall | N |
| 2 | T | | | | | | |
| 3 | | BELLINGHAM, WHATCOM, WA | 48.79550000, -122.53063889 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | 14.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | SEATAC INTERNATIONAL AIRPORT, SEATTLE, WA | KING | 2064333200 |
| 2 | 4255 MITCHELL WAY, BELLINGHAM, WA | WHATCOM | 2063922069 |
License history
| Date | File or call sign | Action |
|---|
| 2021-08-10 | WNGP421 | LIREN |
| 2021-06-21 | WNGP421 | LETRES |
| 2014-02-19 | WNGP421 | LETCNS |
| 2013-05-21 | WNGP421 | LIMOD |
| 2012-09-12 | WNGP421 | LIMOD |
| 2012-04-10 | WNGP421 | LETCNS |
| 2011-09-16 | WNGP421 | LIREN |
| 2011-09-15 | WNGP421 | LTSAPR |
| 2011-09-14 | WNGP421 | ESCAPR |
| 2011-09-14 | WNGP421 | EFCAPR |
| 2011-07-08 | WNGP421 | LIMOD |
| 2011-06-20 | WNGP421 | LETRES |
| 2002-02-05 | WNGP421 | AUDOPR |
| 2001-08-09 | WNGP421 | LIREN |
| 2001-06-25 | WNGP421 | LETRES |
| 2000-11-23 | WNGP421 | LICCNV |
| 1996-07-25 | WNGP421 | LIREN |
| 1996-07-25 | WNGP421 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1654012 | 2026-08-02 01:16:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNGP421 | ULS 1654012 | 2026-08-02 01:16:16 |
| Status | A | ULS 1654012 | 2026-08-02 01:16:16 |
| Service | IG | ULS 1654012 | 2026-08-02 01:16:16 |
| Grant Date | 2021-08-10 | ULS 1654012 | 2026-08-02 01:16:16 |
| Expiration Date | 2031-09-16 | ULS 1654012 | 2026-08-02 01:16:16 |