Universal Licensing System
WPMM481
SOUTH CAROLINA DEPARTMENT OF TRANSPORTATION
License details
| ULS identifier | 1147449 |
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| Call sign | WPMM481 |
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| Radio service | LN |
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| Status | C |
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| Grant date | 2013-11-07 |
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| Expiration | 2023-09-17 |
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| Cancellation | 2023-09-15 |
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| Frequency range | 915 MHz |
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| Locations | 1 |
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| Representative location | HILTON HEAD ISLAND, BEAUFORT, SC |
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| Coordinates | 32.1871389, -80.7653889 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-02 00:44:25 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | LR | 915.00000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | LR | 915.00000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | LR | 915.00000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 915.00000000 | | 6M00P1D |
| 1 | 1 | 915.00000000 | | 6M00P0N |
| 2 | 1 | 915.00000000 | | 6M00P0N |
| 2 | 1 | 915.00000000 | | 6M00P1D |
| 3 | 1 | 915.00000000 | | 6M00P1D |
| 3 | 1 | 915.00000000 | | 6M00P0N |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4 MARSHLAND LN, HILTON HEAD ISLAND, BEAUFORT, SC | 32.18713889, -80.76538889 | 5.000 m | B | 5.000 m structure / 5.000 m overall | N |
| 2 | T | SPANISH WELLS ROAD ON RAMP EAST, HILTON HEAD ISLAND, BEAUFORT, SC | 32.19352778, -80.76288889 | 5.000 m | B | 5.000 m structure / 5.000 m overall | N |
| 3 | T | SPANISH WELLS ROAD ON RAMP WEST, HILTON HEAD ISLAND, BEAUFORT, SC | 32.19463889, -80.76400000 | 5.000 m | B | 5.000 m structure / 5.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 5.000 m | | | | 5.000 | |
| 1 | 2 | T | | 5.000 m | | | | 5.000 | |
| 1 | 3 | T | | 5.000 m | | | | 5.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 1512 Shop Road, Columbia, SC | RICHLAND | 8037376642 |
License history
| Date | File or call sign | Action |
|---|
| 2023-09-16 | WPMM481 | LICAN |
| 2023-09-07 | WPMM481 | ESURNW |
| 2023-08-18 | WPMM481 | ESURNW |
| 2023-07-19 | WPMM481 | ESURNW |
| 2023-06-26 | WPMM481 | LETRES |
| 2013-11-07 | WPMM481 | LIREN |
| 2013-07-02 | WPMM481 | ESUAPR |
| 2013-06-24 | WPMM481 | LETRES |
| 2013-06-19 | WPMM481 | ESURNW |
| 2003-07-02 | WPMM481 | LIREN |
| 2003-01-17 | WPMM481 | LIAUA |
| 2000-09-15 | WPMM481 | LICCNV |
| 1998-09-17 | WPMM481 | LIISS |
| 1998-09-17 | WPMM481 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1147449 | 2026-08-02 00:44:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMM481 | ULS 1147449 | 2026-08-02 00:44:25 |
| Status | C | ULS 1147449 | 2026-08-02 00:44:25 |
| Service | LN | ULS 1147449 | 2026-08-02 00:44:25 |
| Grant Date | 2013-11-07 | ULS 1147449 | 2026-08-02 00:44:25 |
| Expiration Date | 2023-09-17 | ULS 1147449 | 2026-08-02 00:44:25 |
| Cancellation Date | 2023-09-15 | ULS 1147449 | 2026-08-02 00:44:25 |