Universal Licensing System
WHU500
SEAMARK ELECTRONICS INC
License details
| ULS identifier | 1977084 |
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| Call sign | WHU500 |
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| Radio service | MC |
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| Status | E |
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| Grant date | 2013-11-08 |
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| Expiration | 2023-12-23 |
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| Cancellation | 2024-02-24 |
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| Frequency range | 4.1504 - 9500 MHz (11 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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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCA | 4.15040000 | | 4.14900000 | 150.000000 | | |
| 1 | 1 | FCA | 6.23140000 | | 6.23000000 | 150.000000 | | |
| 1 | 1 | FCA | 8.29840000 | | 8.29700000 | 150.000000 | | |
| 1 | 1 | FCA | 12.35740000 | | 12.35600000 | 150.000000 | | |
| 1 | 1 | FCA | 16.53240000 | | 16.53100000 | 150.000000 | | |
| 1 | 1 | FCA | 22.16640000 | | 22.16500000 | 150.000000 | | |
| 1 | 2 | FCA | 156.95000000 | | | 50.000000 | | |
| 1 | 3 | FCA | 2900.00000000 | 3100.00000000 | | 0.000000 | | |
| 1 | 4 | FCA | 9300.00000000 | 9500.00000000 | | 0.000000 | | |
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 | 156.95000000 | | 16K0F3E |
| 1 | 3 | 2900.00000000 | | P0N |
| 1 | 4 | 9300.00000000 | | P0N |
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 | | | | | |
| 3 | 1 | T | | 14.000 m | | | | | |
| 4 | 1 | T | | 14.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-02-24 | WHU500 | LIEXP |
| 2023-10-02 | WHU500 | LETRES |
| 2013-11-08 | WHU500 | LIREN |
| 2013-11-06 | WHU500 | ESCAPR |
| 2013-09-30 | WHU500 | LETRES |
| 2003-12-18 | WHU500 | LIREN |
| 2003-09-29 | WHU500 | LETRES |
| 2001-04-27 | WHU500 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1977084 | 2026-08-02 02:08:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WHU500 | ULS 1977084 | 2026-08-02 02:08:26 |
| Status | E | ULS 1977084 | 2026-08-02 02:08:26 |
| Service | MC | ULS 1977084 | 2026-08-02 02:08:26 |
| Grant Date | 2013-11-08 | ULS 1977084 | 2026-08-02 02:08:26 |
| Expiration Date | 2023-12-23 | ULS 1977084 | 2026-08-02 02:08:26 |
| Cancellation Date | 2024-02-24 | ULS 1977084 | 2026-08-02 02:08:26 |