Universal Licensing System
WRMM204
License details
| ULS identifier | 4442711 |
|---|---|
| Call sign | WRMM204 |
| Radio service | IG |
| Status | A |
| Grant date | 2021-04-30 |
| Expiration | 2031-04-30 |
| Frequency range | 451.4875 - 467.4875 MHz (39 frequencies) |
| Locations | 32 |
| Representative location | SUMTER, SUMTER, SC |
| Coordinates | 33.8976667, -80.3929167 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:21:12 |
Licensee
| Name | Rock Communications LLC |
|---|---|
| Applicant type | C |
| FRN | 0023214265 |
| Location | ROCK HILL, SC |
| Address | 274 MUSEUM RD, ROCK HILL, SC, 29732 |
| Phone | 8035472500 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 14 | 1 | MO | 451.31250000 | 4.000000 | 4.000000 | |||
| 4 | 1 | MO | 451.36250000 | 4.000000 | 4.000000 | |||
| 19 | 1 | MO | 451.38750000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 451.41250000 | 4.000000 | 4.000000 | |||
| 6 | 1 | MO | 451.43750000 | 4.000000 | 4.000000 | |||
| 24 | 1 | MO | 451.48750000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 451.49375000 | 4.000000 | 4.000000 | |||
| 28 | 1 | MO | 451.50625000 | 4.000000 | 4.000000 | |||
| 32 | 1 | MO | 451.56250000 | 4.000000 | 4.000000 | |||
| 4 | 1 | MO | 451.61250000 | 4.000000 | 4.000000 | |||
| 21 | 1 | MO | 451.63750000 | 4.000000 | 4.000000 | |||
| 20 | 1 | MO | 451.64375000 | 4.000000 | 4.000000 | |||
| 6 | 1 | MO | 451.71250000 | 4.000000 | 4.000000 | |||
| 7 | 1 | MO | 451.76250000 | 4.000000 | 4.000000 | |||
| 5 | 1 | MO | 451.76875000 | 4.000000 | 4.000000 | |||
| 27 | 1 | MO | 452.06250000 | 4.000000 | 4.000000 | |||
| 24 | 1 | MO | 452.08750000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 452.13125000 | 4.000000 | 4.000000 | |||
| 22 | 1 | MO | 452.13750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 452.14375000 | 4.000000 | 4.000000 | |||
| 1 | 1 | FB2 | 452.26875000 | 25.000000 | 25.000000 | |||
| 4 | 1 | MO | 452.26875000 | 4.000000 | 4.000000 | |||
| 5 | 1 | MO | 452.28125000 | 4.000000 | 4.000000 | |||
| 7 | 1 | MO | 452.28750000 | 4.000000 | 4.000000 | |||
| 11 | 1 | MO | 452.31250000 | 4.000000 | 4.000000 | |||
| 4 | 1 | MO | 452.48750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 452.49375000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 452.50625000 | 4.000000 | 4.000000 | |||
| 6 | 1 | MO | 452.51250000 | 4.000000 | 4.000000 | |||
| 25 | 1 | MO | 452.63125000 | 4.000000 | 4.000000 | |||
| 19 | 1 | MO | 452.66250000 | 4.000000 | 4.000000 | |||
| 12 | 1 | MO | 452.68750000 | 4.000000 | 4.000000 | |||
| 12 | 1 | MO | 452.71250000 | 4.000000 | 4.000000 | |||
| 7 | 1 | MO | 452.81250000 | 4.000000 | 4.000000 | |||
| 5 | 1 | MO | 452.81875000 | 4.000000 | 4.000000 | |||
| 25 | 1 | MO | 452.83125000 | 4.000000 | 4.000000 | |||
| 26 | 1 | MO | 452.89375000 | 4.000000 | 4.000000 | |||
| 32 | 1 | MO | 456.18750000 | 4.000000 | 4.000000 | |||
| 29 | 1 | MO | 456.33125000 | 4.000000 | 4.000000 | |||
| 21 | 1 | MO | 456.33750000 | 4.000000 | 4.000000 | |||
| 13 | 1 | MO | 456.36250000 | 4.000000 | 4.000000 | |||
| 31 | 1 | MO | 456.38125000 | 4.000000 | 4.000000 | |||
| 31 | 1 | MO | 456.39375000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 456.41250000 | 4.000000 | 4.000000 | |||
| 19 | 1 | MO | 456.43750000 | 4.000000 | 4.000000 | |||
| 23 | 1 | MO | 456.48750000 | 4.000000 | 4.000000 | |||
| 32 | 1 | MO | 456.56250000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 456.65625000 | 4.000000 | 4.000000 | |||
| 10 | 1 | MO | 456.66250000 | 4.000000 | 4.000000 | |||
| 31 | 1 | MO | 456.66875000 | 4.000000 | 4.000000 | |||
| 21 | 1 | MO | 456.71250000 | 4.000000 | 4.000000 | |||
| 26 | 1 | MO | 456.76875000 | 4.000000 | 4.000000 | |||
| 23 | 1 | MO | 457.06250000 | 4.000000 | 4.000000 | |||
| 24 | 1 | MO | 457.08750000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 457.13125000 | 4.000000 | 4.000000 | |||
| 22 | 1 | MO | 457.13750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 457.14375000 | 4.000000 | 4.000000 | |||
| 4 | 1 | MO | 457.26875000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 457.28125000 | 4.000000 | 4.000000 | |||
| 13 | 1 | MO | 457.28750000 | 4.000000 | 4.000000 | |||
| 11 | 1 | MO | 457.31250000 | 4.000000 | 4.000000 | |||
| 30 | 1 | MO | 457.31875000 | 4.000000 | 4.000000 | |||
| 30 | 1 | MO | 457.48125000 | 4.000000 | 4.000000 | |||
| 11 | 1 | MO | 457.48750000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 457.49375000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 457.50625000 | 4.000000 | 4.000000 | |||
| 10 | 1 | MO | 457.51250000 | 4.000000 | 4.000000 | |||
| 20 | 1 | MO | 457.63125000 | 4.000000 | 4.000000 | |||
| 10 | 1 | MO | 457.66250000 | 4.000000 | 4.000000 | |||
| 29 | 1 | MO | 457.66250000 | 4.000000 | 4.000000 | |||
| 30 | 1 | MO | 457.66875000 | 4.000000 | 4.000000 | |||
| 13 | 1 | MO | 457.68750000 | 4.000000 | 4.000000 | |||
| 12 | 1 | MO | 457.71250000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 457.71875000 | 4.000000 | 4.000000 | |||
| 29 | 1 | MO | 457.79375000 | 4.000000 | 4.000000 | |||
| 25 | 1 | MO | 457.83125000 | 4.000000 | 4.000000 | |||
| 26 | 1 | MO | 457.84375000 | 4.000000 | 4.000000 | |||
| 20 | 1 | MO | 457.89375000 | 4.000000 | 4.000000 | |||
| 8 | 1 | MO | 462.18125000 | 4.000000 | 4.000000 | |||
| 23 | 1 | MO | 462.18750000 | 4.000000 | 4.000000 | |||
| 9 | 1 | MO | 462.19375000 | 4.000000 | 4.000000 | |||
| 27 | 1 | MO | 462.45625000 | 4.000000 | 4.000000 | |||
| 28 | 1 | MO | 462.46875000 | 4.000000 | 4.000000 | |||
| 8 | 1 | MO | 462.50625000 | 4.000000 | 4.000000 | |||
| 2 | 1 | FB2 | 464.58125000 | 25.000000 | 25.000000 | |||
| 5 | 1 | MO | 464.58125000 | 4.000000 | 4.000000 | |||
| 3 | 1 | FB2 | 464.83125000 | 25.000000 | 25.000000 | |||
| 6 | 1 | MO | 464.83125000 | 4.000000 | 4.000000 | |||
| 27 | 1 | MO | 467.45625000 | 4.000000 | 4.000000 | |||
| 28 | 1 | MO | 467.46875000 | 4.000000 | 4.000000 | |||
| 8 | 1 | MO | 467.48125000 | 4.000000 | 4.000000 | |||
| 22 | 1 | MO | 467.48750000 | 4.000000 | 4.000000 | |||
| 9 | 1 | MO | 467.49375000 | 4.000000 | 4.000000 | |||
| 9 | 1 | MO | 467.50625000 | 4.000000 | 4.000000 | |||
| 5 | 1 | MO | 469.58125000 | 4.000000 | 4.000000 | |||
| 6 | 1 | MO | 469.83125000 | 4.000000 | 4.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 14 | 1 | 451.31250000 | 4K00F1E | |
| 4 | 1 | 451.36250000 | 4K00F1E | |
| 19 | 1 | 451.38750000 | 4K00F1E | |
| 14 | 1 | 451.41250000 | 4K00F1E | |
| 6 | 1 | 451.43750000 | 4K00F1E | |
| 24 | 1 | 451.48750000 | 4K00F1E | |
| 18 | 1 | 451.49375000 | 4K00F1E | |
| 28 | 1 | 451.50625000 | 4K00F1E | |
| 32 | 1 | 451.56250000 | 4K00F1E | |
| 4 | 1 | 451.61250000 | 4K00F1E | |
| 21 | 1 | 451.63750000 | 4K00F1E | |
| 20 | 1 | 451.64375000 | 4K00F1E | |
| 6 | 1 | 451.71250000 | 4K00F1E | |
| 7 | 1 | 451.76250000 | 4K00F1E | |
| 5 | 1 | 451.76875000 | 4K00F1E | |
| 27 | 1 | 452.06250000 | 4K00F1E | |
| 24 | 1 | 452.08750000 | 4K00F1E | |
| 18 | 1 | 452.13125000 | 4K00F1E | |
| 22 | 1 | 452.13750000 | 4K00F1E | |
| 17 | 1 | 452.14375000 | 4K00F1E | |
| 1 | 1 | 452.26875000 | 4K00F1E | |
| 4 | 1 | 452.26875000 | 4K00F1E | |
| 5 | 1 | 452.28125000 | 4K00F1E | |
| 7 | 1 | 452.28750000 | 4K00F1E | |
| 11 | 1 | 452.31250000 | 4K00F1E | |
| 4 | 1 | 452.48750000 | 4K00F1E | |
| 17 | 1 | 452.49375000 | 4K00F1E | |
| 16 | 1 | 452.50625000 | 4K00F1E | |
| 6 | 1 | 452.51250000 | 4K00F1E | |
| 25 | 1 | 452.63125000 | 4K00F1E | |
| 19 | 1 | 452.66250000 | 4K00F1E | |
| 12 | 1 | 452.68750000 | 4K00F1E | |
| 12 | 1 | 452.71250000 | 4K00F1E | |
| 7 | 1 | 452.81250000 | 4K00F1E | |
| 5 | 1 | 452.81875000 | 4K00F1E | |
| 25 | 1 | 452.83125000 | 4K00F1E | |
| 26 | 1 | 452.89375000 | 4K00F1E | |
| 32 | 1 | 456.18750000 | 4K00F1E | |
| 29 | 1 | 456.33125000 | 4K00F1E | |
| 21 | 1 | 456.33750000 | 4K00F1E | |
| 13 | 1 | 456.36250000 | 4K00F1E | |
| 31 | 1 | 456.38125000 | 4K00F1E | |
| 31 | 1 | 456.39375000 | 4K00F1E | |
| 14 | 1 | 456.41250000 | 4K00F1E | |
| 19 | 1 | 456.43750000 | 4K00F1E | |
| 23 | 1 | 456.48750000 | 4K00F1E | |
| 32 | 1 | 456.56250000 | 4K00F1E | |
| 18 | 1 | 456.65625000 | 4K00F1E | |
| 10 | 1 | 456.66250000 | 4K00F1E | |
| 31 | 1 | 456.66875000 | 4K00F1E | |
| 21 | 1 | 456.71250000 | 4K00F1E | |
| 26 | 1 | 456.76875000 | 4K00F1E | |
| 23 | 1 | 457.06250000 | 4K00F1E | |
| 24 | 1 | 457.08750000 | 4K00F1E | |
| 16 | 1 | 457.13125000 | 4K00F1E | |
| 22 | 1 | 457.13750000 | 4K00F1E | |
| 17 | 1 | 457.14375000 | 4K00F1E | |
| 4 | 1 | 457.26875000 | 4K00F1E | |
| 15 | 1 | 457.28125000 | 4K00F1E | |
| 13 | 1 | 457.28750000 | 4K00F1E | |
| 11 | 1 | 457.31250000 | 4K00F1E | |
| 30 | 1 | 457.31875000 | 4K00F1E | |
| 30 | 1 | 457.48125000 | 4K00F1E | |
| 11 | 1 | 457.48750000 | 4K00F1E | |
| 15 | 1 | 457.49375000 | 4K00F1E | |
| 16 | 1 | 457.50625000 | 4K00F1E | |
| 10 | 1 | 457.51250000 | 4K00F1E | |
| 20 | 1 | 457.63125000 | 4K00F1E | |
| 10 | 1 | 457.66250000 | 4K00F1E | |
| 29 | 1 | 457.66250000 | 4K00F1E | |
| 30 | 1 | 457.66875000 | 4K00F1E | |
| 13 | 1 | 457.68750000 | 4K00F1E | |
| 12 | 1 | 457.71250000 | 4K00F1E | |
| 15 | 1 | 457.71875000 | 4K00F1E | |
| 29 | 1 | 457.79375000 | 4K00F1E | |
| 25 | 1 | 457.83125000 | 4K00F1E | |
| 26 | 1 | 457.84375000 | 4K00F1E | |
| 20 | 1 | 457.89375000 | 4K00F1E | |
| 8 | 1 | 462.18125000 | 4K00F1E | |
| 23 | 1 | 462.18750000 | 4K00F1E | |
| 9 | 1 | 462.19375000 | 4K00F1E | |
| 27 | 1 | 462.45625000 | 4K00F1E | |
| 28 | 1 | 462.46875000 | 4K00F1E | |
| 8 | 1 | 462.50625000 | 4K00F1E | |
| 2 | 1 | 464.58125000 | 4K00F1E | |
| 5 | 1 | 464.58125000 | 4K00F1E | |
| 3 | 1 | 464.83125000 | 4K00F1E | |
| 6 | 1 | 464.83125000 | 4K00F1E | |
| 27 | 1 | 467.45625000 | 4K00F1E | |
| 28 | 1 | 467.46875000 | 4K00F1E | |
| 8 | 1 | 467.48125000 | 4K00F1E | |
| 22 | 1 | 467.48750000 | 4K00F1E | |
| 9 | 1 | 467.49375000 | 4K00F1E | |
| 9 | 1 | 467.50625000 | 4K00F1E | |
| 5 | 1 | 469.58125000 | 4K00F1E | |
| 6 | 1 | 469.83125000 | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 2580 NCCRAY'S MILL RD, SUMTER, SUMTER, SC | 33.89766667, -80.39291667 | 54.000 m | B | 15.200 m structure / 16.800 m overall | |
| 2 | T | 350 OLD MANNING RD, SUMTER, SUMTER, SC | 33.85352778, -80.35594444 | 52.000 m | B | 15.200 m structure / 16.800 m overall | |
| 3 | T | 2000 OSWEGO RD, SUMTER, SUMTER, SC | 33.97227778, -80.30544444 | 45.000 m | B | 15.200 m structure / 16.800 m overall | |
| 4 | T | ||||||
| 5 | T | ||||||
| 6 | T | ||||||
| 7 | T | SUMTER, SUMTER, SC | 33.95650000, -80.39658333 | ||||
| 8 | T | SUMTER, SUMTER, SC | 33.93350000, -80.33397222 | ||||
| 9 | T | DALZELL, SUMTER, SC | 34.03094444, -80.46441667 | ||||
| 10 | T | PINEWOOD, SUMTER, SC | 33.74105556, -80.46594444 | ||||
| 11 | T | SUMTER, SUMTER, SC | 33.83761111, -80.38233333 | ||||
| 12 | T | SUMTER, SUMTER, SC | 33.88919444, -80.36769444 | ||||
| 13 | T | SUMTER, SUMTER, SC | 33.89761111, -80.34197222 | ||||
| 14 | T | SUMTER, SUMTER, SC | 33.91163889, -80.32372222 | ||||
| 15 | T | SUMT, SUMTER, SC | 33.91341667, -80.38422222 | ||||
| 16 | T | SUMTER, SUMTER, SC | 33.93244444, -80.37869444 | ||||
| 17 | T | SUMTER, SUMTER, SC | 33.93644444, -80.36147222 | ||||
| 18 | T | SUMTER, SUMTER, SC | 33.95927778, -80.46513889 | ||||
| 19 | T | SHAW AFB, SUMTER, SC | 33.98577778, -80.48227778 | ||||
| 20 | T | SUMTER, SUMTER, SC | 34.05133333, -80.54433333 | ||||
| 21 | T | SUMTER, SUMTER, SC | 33.81180556, -80.40819444 | ||||
| 22 | T | SUMTER, SUMTER, SC | 33.90088889, -80.34955556 | ||||
| 23 | T | SUMTER, SUMTER, SC | 33.93244444, -80.37869444 | ||||
| 24 | T | SUMPTER, SUMTER, SC | 33.95308333, -80.31172222 | ||||
| 25 | T | SUMTER, SUMTER, SC | 34.01625000, -80.40047222 | ||||
| 26 | T | SUMTER, SUMTER, SC | 33.98511111, -80.49180556 | ||||
| 27 | T | SUMTER, SUMTER, SC | 33.90666667, -80.21138889 | ||||
| 28 | T | SUMPTER, SUMTER, SC | 33.94188889, -80.34275000 | ||||
| 29 | T | SUMPTER, SUMTER, SC | 33.93347222, -80.33502778 | ||||
| 30 | T | DALZELL, SUMTER, SC | 34.03063889, -80.46461111 | ||||
| 31 | T | PINEWOOD, SUMTER, SC | 33.74113889, -80.46616667 | ||||
| 32 | T | SHAW AFB, SUMTER, SC | 33.98583333, -80.47541667 |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 16.800 m | 22.000 | |||||
| 1 | 2 | T | 16.800 m | 25.000 | |||||
| 1 | 3 | T | 16.800 m | 16.500 | |||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | |||||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | |||||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | |||||||
| 1 | 10 | T | |||||||
| 1 | 11 | T | |||||||
| 1 | 12 | T | |||||||
| 1 | 13 | T | |||||||
| 1 | 14 | T | |||||||
| 1 | 15 | T | |||||||
| 1 | 16 | T | |||||||
| 1 | 17 | T | |||||||
| 1 | 18 | T | |||||||
| 1 | 19 | T | |||||||
| 1 | 20 | T | |||||||
| 1 | 21 | T | |||||||
| 1 | 22 | T | |||||||
| 1 | 23 | T | |||||||
| 1 | 24 | T | |||||||
| 1 | 25 | T | |||||||
| 1 | 26 | T | |||||||
| 1 | 27 | T | |||||||
| 1 | 28 | T | |||||||
| 1 | 29 | T | |||||||
| 1 | 30 | T | |||||||
| 1 | 31 | T | |||||||
| 1 | 32 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 377 RUBIN CENTER DR SUITE 121, FORT MILL, SC | YORK | 8035472500 |
Special conditions
| Type | Condition code |
|---|---|
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2024-01-24 | WRMM204 | LIAUA |
| 2021-04-30 | WRMM204 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4442711 | 2026-08-02 01:21:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WRMM204 | ULS 4442711 | 2026-08-02 01:21:12 |
| Status | A | ULS 4442711 | 2026-08-02 01:21:12 |
| Service | IG | ULS 4442711 | 2026-08-02 01:21:12 |
| Grant Date | 2021-04-30 | ULS 4442711 | 2026-08-02 01:21:12 |
| Expiration Date | 2031-04-30 | ULS 4442711 | 2026-08-02 01:21:12 |