Universal Licensing System
WHU508
SEAMARK ELECTRONICS INC
License details
| ULS identifier | 1977090 |
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| Call sign | WHU508 |
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| Radio service | MC |
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| Status | E |
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| Grant date | 2003-12-18 |
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| Expiration | 2013-12-23 |
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| Cancellation | 2014-02-22 |
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| Frequency range | 4.1504 - 156.95 MHz (9 frequencies) |
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| Locations | 1 |
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| Representative location | MARATHON, MONROE, FL |
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| Coordinates | 24.7112500, -81.0970278 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:26 |
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Licensee
| Name | SEAMARK ELECTRONICS INC |
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| Applicant type | C |
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| FRN | 0004568838 |
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| Location | MARATHON, FL |
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| Address | 2994 OVERSEAS HWY, MARATHON, FL, 33050 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 4.15040000 | | 4.14900000 | 1000.000000 | | |
| 1 | 1 | FCL | 6.23140000 | | 6.23000000 | 1000.000000 | | |
| 1 | 1 | FCL | 8.29840000 | | 8.29700000 | 1000.000000 | | |
| 1 | 1 | FCL | 12.35740000 | | 12.35600000 | 1000.000000 | | |
| 1 | 1 | FCL | 16.53240000 | | 16.53100000 | 1000.000000 | | |
| 1 | 1 | FCL | 22.16640000 | | 22.16500000 | 1000.000000 | | |
| 1 | 2 | FCL | 156.45000000 | | | 50.000000 | | |
| 1 | 2 | FCL | 156.80000000 | | | 50.000000 | | |
| 1 | 2 | FCL | 156.95000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4.15040000 | | 2K80J3E |
| 1 | 1 | 6.23140000 | | 2K80J3E |
| 1 | 1 | 8.29840000 | | 2K80J3E |
| 1 | 1 | 12.35740000 | | 2K80J3E |
| 1 | 1 | 16.53240000 | | 2K80J3E |
| 1 | 1 | 22.16640000 | | 2K80J3E |
| 1 | 2 | 156.45000000 | | 16K0F3E |
| 1 | 2 | 156.80000000 | | 16K0F3E |
| 1 | 2 | 156.95000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2994 OVERSEAS HWY, MARATHON, MONROE, FL | 24.71125000, -81.09702778 | 2.000 m | B | 7.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | | | | | |
| 2 | 1 | T | | 14.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2014-02-22 | WHU508 | LIEXP |
| 2013-09-30 | WHU508 | LETRES |
| 2003-12-18 | WHU508 | LIREN |
| 2003-09-29 | WHU508 | LETRES |
| 2001-04-27 | WHU508 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1977090 | 2026-08-02 02:08:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WHU508 | ULS 1977090 | 2026-08-02 02:08:26 |
| Status | E | ULS 1977090 | 2026-08-02 02:08:26 |
| Service | MC | ULS 1977090 | 2026-08-02 02:08:26 |
| Grant Date | 2003-12-18 | ULS 1977090 | 2026-08-02 02:08:26 |
| Expiration Date | 2013-12-23 | ULS 1977090 | 2026-08-02 02:08:26 |
| Cancellation Date | 2014-02-22 | ULS 1977090 | 2026-08-02 02:08:26 |