Universal Licensing System
WRHZ790
CHARLES COUNTY PUBLIC SCHOOLS
License details
| ULS identifier | 4314303 |
|---|
| Call sign | WRHZ790 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2020-07-22 |
|---|
| Expiration | 2030-07-22 |
|---|
| Frequency range | 154.4825 - 159.675 MHz (2 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | Indian Head, CHARLES, MD |
|---|
| Coordinates | 38.6130000, -77.0766944 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:08:43 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 5 | 1 | FB2 | 152.36000000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FB2 | 152.46500000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB2 | 153.08750000 | | | 35.000000 | 35.000000 | |
| 7 | 1 | FB2 | 154.48250000 | | | 35.000000 | 35.000000 | |
| 8 | 1 | MO | 154.48250000 | | | 5.000000 | 5.000000 | |
| 9 | 1 | FB2 | 154.48250000 | | | 35.000000 | 35.000000 | |
| 10 | 1 | MO | 154.48250000 | | | 5.000000 | 5.000000 | |
| 6 | 1 | MO | 157.62000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 157.72500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 158.44500000 | | | 5.000000 | 5.000000 | |
| 8 | 1 | MO | 159.67500000 | | | 5.000000 | 5.000000 | |
| 10 | 1 | MO | 159.67500000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 5 | 1 | 152.36000000 | | 7K60FXE |
| 5 | 1 | 152.36000000 | | 7K60FXD |
| 5 | 1 | 152.36000000 | | 11K2F3E |
| 3 | 1 | 152.46500000 | | 11K2F3E |
| 3 | 1 | 152.46500000 | | 7K60FXD |
| 3 | 1 | 152.46500000 | | 7K60FXE |
| 1 | 1 | 153.08750000 | | 7K60FXD |
| 1 | 1 | 153.08750000 | | 11K2F3E |
| 1 | 1 | 153.08750000 | | 7K60FXE |
| 7 | 1 | 154.48250000 | | 7K60FXE |
| 7 | 1 | 154.48250000 | | 11K2F3E |
| 7 | 1 | 154.48250000 | | 7K60FXD |
| 8 | 1 | 154.48250000 | | 7K60FXD |
| 8 | 1 | 154.48250000 | | 7K60FXE |
| 8 | 1 | 154.48250000 | | 11K2F3E |
| 9 | 1 | 154.48250000 | | 7K60FXE |
| 9 | 1 | 154.48250000 | | 7K60FXD |
| 9 | 1 | 154.48250000 | | 11K2F3E |
| 10 | 1 | 154.48250000 | | 7K60FXE |
| 10 | 1 | 154.48250000 | | 11K2F3E |
| 10 | 1 | 154.48250000 | | 7K60FXD |
| 6 | 1 | 157.62000000 | | 7K60FXE |
| 6 | 1 | 157.62000000 | | 11K2F3E |
| 6 | 1 | 157.62000000 | | 7K60FXD |
| 4 | 1 | 157.72500000 | | 7K60FXE |
| 4 | 1 | 157.72500000 | | 11K2F3E |
| 4 | 1 | 157.72500000 | | 7K60FXD |
| 2 | 1 | 158.44500000 | | 7K60FXD |
| 2 | 1 | 158.44500000 | | 7K60FXE |
| 2 | 1 | 158.44500000 | | 11K2F3E |
| 8 | 1 | 159.67500000 | | 11K2F3E |
| 8 | 1 | 159.67500000 | | 7K60FXD |
| 8 | 1 | 159.67500000 | | 7K60FXE |
| 10 | 1 | 159.67500000 | | 7K60FXE |
| 10 | 1 | 159.67500000 | | 11K2F3E |
| 10 | 1 | 159.67500000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4990 Indian Head Hwy, Indian Head, CHARLES, MD | 38.60286111, -77.13436111 | 25.000 m | BANT | 9.100 m structure / 13.700 m overall | |
| 2 | T | | | | | | |
| 3 | T | 2820 Jenifer School Ln, Waldorf, CHARLES, MD | 38.63466667, -76.92722222 | 63.000 m | BANT | 9.100 m structure / 13.700 m overall | |
| 4 | T | | | | | | |
| 5 | T | 3505 Livingston Rd, Indian Head, CHARLES, MD | 38.61450000, -77.07366667 | 51.000 m | BANT | 9.100 m structure / 13.700 m overall | |
| 6 | T | | | | | | |
| 7 | T | 3535 Livingston Road, Indian Head, CHARLES, MD | 38.61300000, -77.07669444 | 3.000 m | B | 9.100 m structure / 13.700 m overall | N |
| 8 | T | | | | | | N |
| 9 | T | 400 Willow Lane, South, La Plata, CHARLES, MD | 38.51972222, -76.96919444 | 56.000 m | B | 9.100 m structure / 13.700 m overall | N |
| 10 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 13.700 m | | | | 14.700 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 13.700 m | | | | 27.700 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 13.700 m | | | | 34.200 | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | 13.700 m | | | | 35.500 | |
| 1 | 8 | T | | | | | | | |
| 1 | 9 | T | | 13.700 m | | | | 31.100 | |
| 1 | 10 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | Smallwood MS - 4990 Indian Head Highway - Smallwood MS, Indian Head, MD | CHARLES | 3017435422 |
| 2 | Jenifer ES - 2820 Jennifer School Lane -Jennifer ES, Waldorf, MD | CHARLES | 3019329603 |
| 3 | Parks ES - 3505 Livingston Road - Parks ES, Indian Head, MD | CHARLES | 3013757444 |
License history
| Date | File or call sign | Action |
|---|
| 2025-02-04 | WRHZ790 | LETCNS |
| 2024-05-02 | WRHZ790 | LIMOD |
| 2020-07-22 | WRHZ790 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4314303 | 2026-08-02 01:08:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRHZ790 | ULS 4314303 | 2026-08-02 01:08:43 |
| Status | A | ULS 4314303 | 2026-08-02 01:08:43 |
| Service | IG | ULS 4314303 | 2026-08-02 01:08:43 |
| Grant Date | 2020-07-22 | ULS 4314303 | 2026-08-02 01:08:43 |
| Expiration Date | 2030-07-22 | ULS 4314303 | 2026-08-02 01:08:43 |