Universal Licensing System
WHU439
AMERICAN WORK BOATS INC
License details
| ULS identifier | 1977037 |
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| Call sign | WHU439 |
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| Radio service | MC |
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| Status | E |
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| Grant date | 2011-11-29 |
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| Expiration | 2021-12-19 |
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| Cancellation | 2022-02-19 |
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| Frequency range | 4.1264 - 156.8 MHz (7 frequencies) |
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| Locations | 1 |
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| Representative location | HONOLULU, HONOLULU, HI |
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| Coordinates | 21.3101667, -157.8664167 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:39 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 4.12640000 | | 4.12500000 | 1000.000000 | | |
| 1 | 1 | FCL | 6.22840000 | | 6.22700000 | 1000.000000 | | |
| 1 | 1 | FCL | 8.29540000 | | 8.29400000 | 1000.000000 | | |
| 1 | 1 | FCL | 12.35440000 | | 12.35300000 | 1000.000000 | | |
| 1 | 2 | FCL | 156.45000000 | | | 50.000000 | | |
| 1 | 2 | FCL | 156.55000000 | | | 50.000000 | | |
| 1 | 2 | FCL | 156.80000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4.12640000 | | 2K80J3E |
| 1 | 1 | 6.22840000 | | 2K80J3E |
| 1 | 1 | 8.29540000 | | 2K80J3E |
| 1 | 1 | 12.35440000 | | 2K80J3E |
| 1 | 2 | 156.45000000 | | 16K0F3E |
| 1 | 2 | 156.55000000 | | 16K0F3E |
| 1 | 2 | 156.80000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PIER 14, HONOLULU, HONOLULU, HI | 21.31016667, -157.86641667 | 2.000 m | B | 10.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | | |
| 2 | 1 | T | | 18.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-02-19 | WHU439 | LIEXP |
| 2021-09-27 | WHU439 | LETRES |
| 2011-11-29 | WHU439 | LIREN |
| 2011-11-03 | WHU439 | ESCFNR |
| 2011-09-26 | WHU439 | LETRES |
| 2002-01-25 | WHU439 | LIREN |
| 2001-09-24 | WHU439 | LETRES |
| 2001-04-27 | WHU439 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1977037 | 2026-08-02 02:08:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WHU439 | ULS 1977037 | 2026-08-02 02:08:39 |
| Status | E | ULS 1977037 | 2026-08-02 02:08:39 |
| Service | MC | ULS 1977037 | 2026-08-02 02:08:39 |
| Grant Date | 2011-11-29 | ULS 1977037 | 2026-08-02 02:08:39 |
| Expiration Date | 2021-12-19 | ULS 1977037 | 2026-08-02 02:08:39 |
| Cancellation Date | 2022-02-19 | ULS 1977037 | 2026-08-02 02:08:39 |