Universal Licensing System
WRTJ707
Montgomery County Public Schools
License details
| ULS identifier | 4626560 |
|---|---|
| Call sign | WRTJ707 |
| Radio service | IG |
| Status | A |
| Grant date | 2022-06-24 |
| Expiration | 2032-06-24 |
| Frequency range | 451.1875 - 468.925 MHz (40 frequencies) |
| Locations | 18 |
| Representative location | Silver Spring, MONTGOMERY, MD |
| Coordinates | 39.0180000, -77.0133889 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:19:30 |
Licensee
| Name | Montgomery County Public Schools |
|---|---|
| Applicant type | G |
| FRN | 0021255369 |
| Location | Rockville, MD |
| Address | 850 Hungerford Drive, Rockville, MD, 20850 |
| Phone | 2407403066 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 16 | 1 | MO | 451.18750000 | 5.000000 | 5.000000 | |||
| 14 | 1 | MO | 451.23750000 | 5.000000 | 5.000000 | |||
| 17 | 1 | MO | 451.28750000 | 5.000000 | 5.000000 | |||
| 18 | 1 | MO | 451.31250000 | 5.000000 | 5.000000 | |||
| 13 | 1 | MO | 451.43750000 | 5.000000 | 5.000000 | |||
| 15 | 1 | MO | 451.56250000 | 5.000000 | 5.000000 | |||
| 13 | 1 | MO | 451.58750000 | 5.000000 | 5.000000 | |||
| 17 | 1 | MO | 451.61250000 | 5.000000 | 5.000000 | |||
| 13 | 1 | MO | 451.66250000 | 5.000000 | 5.000000 | |||
| 15 | 1 | MO | 451.71250000 | 5.000000 | 5.000000 | |||
| 16 | 1 | MO | 451.73750000 | 5.000000 | 5.000000 | |||
| 11 | 1 | FB2 | 451.85000000 | 35.000000 | 35.000000 | |||
| 17 | 1 | MO | 452.08750000 | 5.000000 | 5.000000 | |||
| 1 | 1 | FB2 | 452.10000000 | 35.000000 | 35.000000 | |||
| 18 | 1 | MO | 452.11250000 | 5.000000 | 5.000000 | |||
| 18 | 1 | MO | 452.63750000 | 5.000000 | 5.000000 | |||
| 15 | 1 | MO | 452.68750000 | 5.000000 | 5.000000 | |||
| 16 | 1 | MO | 456.18750000 | 5.000000 | 5.000000 | |||
| 14 | 1 | MO | 456.23750000 | 5.000000 | 5.000000 | |||
| 17 | 1 | MO | 456.28750000 | 5.000000 | 5.000000 | |||
| 18 | 1 | MO | 456.31250000 | 5.000000 | 5.000000 | |||
| 14 | 1 | MO | 456.43750000 | 5.000000 | 5.000000 | |||
| 15 | 1 | MO | 456.56250000 | 5.000000 | 5.000000 | |||
| 13 | 1 | MO | 456.58750000 | 5.000000 | 5.000000 | |||
| 13 | 1 | MO | 456.66250000 | 5.000000 | 5.000000 | |||
| 16 | 1 | MO | 456.71250000 | 5.000000 | 5.000000 | |||
| 16 | 1 | MO | 456.73750000 | 5.000000 | 5.000000 | |||
| 12 | 1 | MO | 456.85000000 | 5.000000 | 5.000000 | |||
| 17 | 1 | MO | 457.08750000 | 5.000000 | 5.000000 | |||
| 2 | 1 | MO | 457.10000000 | 5.000000 | 5.000000 | |||
| 18 | 1 | MO | 457.63750000 | 5.000000 | 5.000000 | |||
| 15 | 1 | MO | 457.68750000 | 5.000000 | 5.000000 | |||
| 9 | 1 | FB2 | 462.12500000 | 35.000000 | 35.000000 | |||
| 3 | 1 | FB2 | 462.35000000 | 35.000000 | 35.000000 | |||
| 14 | 1 | MO | 462.36250000 | 5.000000 | 5.000000 | |||
| 7 | 1 | FB2 | 463.85000000 | 35.000000 | 35.000000 | |||
| 5 | 1 | FB2 | 463.92500000 | 35.000000 | 35.000000 | |||
| 10 | 1 | MO | 467.12500000 | 5.000000 | 5.000000 | |||
| 4 | 1 | MO | 467.35000000 | 5.000000 | 5.000000 | |||
| 14 | 1 | MO | 467.36250000 | 5.000000 | 5.000000 | |||
| 8 | 1 | MO | 468.85000000 | 5.000000 | 5.000000 | |||
| 6 | 1 | MO | 468.92500000 | 5.000000 | 5.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 16 | 1 | 451.18750000 | 7K60FXD | |
| 16 | 1 | 451.18750000 | 11K2F3E | |
| 16 | 1 | 451.18750000 | 7K60FXE | |
| 14 | 1 | 451.23750000 | 7K60FXD | |
| 14 | 1 | 451.23750000 | 7K60FXE | |
| 14 | 1 | 451.23750000 | 11K2F3E | |
| 17 | 1 | 451.28750000 | 7K60FXE | |
| 17 | 1 | 451.28750000 | 11K2F3E | |
| 17 | 1 | 451.28750000 | 7K60FXD | |
| 18 | 1 | 451.31250000 | 7K60FXD | |
| 18 | 1 | 451.31250000 | 11K2F3E | |
| 18 | 1 | 451.31250000 | 7K60FXE | |
| 13 | 1 | 451.43750000 | 11K2F3E | |
| 13 | 1 | 451.43750000 | 7K60FXD | |
| 13 | 1 | 451.43750000 | 7K60FXE | |
| 15 | 1 | 451.56250000 | 7K60FXE | |
| 15 | 1 | 451.56250000 | 11K2F3E | |
| 15 | 1 | 451.56250000 | 7K60FXD | |
| 13 | 1 | 451.58750000 | 7K60FXE | |
| 13 | 1 | 451.58750000 | 11K2F3E | |
| 13 | 1 | 451.58750000 | 7K60FXD | |
| 17 | 1 | 451.61250000 | 7K60FXE | |
| 17 | 1 | 451.61250000 | 11K2F3E | |
| 17 | 1 | 451.61250000 | 7K60FXD | |
| 13 | 1 | 451.66250000 | 7K60FXD | |
| 13 | 1 | 451.66250000 | 11K2F3E | |
| 13 | 1 | 451.66250000 | 7K60FXE | |
| 15 | 1 | 451.71250000 | 7K60FXE | |
| 15 | 1 | 451.71250000 | 7K60FXD | |
| 15 | 1 | 451.71250000 | 11K2F3E | |
| 16 | 1 | 451.73750000 | 7K60FXE | |
| 16 | 1 | 451.73750000 | 11K2F3E | |
| 16 | 1 | 451.73750000 | 7K60FXD | |
| 11 | 1 | 451.85000000 | 7K60FXD | |
| 11 | 1 | 451.85000000 | 11K2F3E | |
| 11 | 1 | 451.85000000 | 7K60FXE | |
| 17 | 1 | 452.08750000 | 11K2F3E | |
| 17 | 1 | 452.08750000 | 7K60FXD | |
| 17 | 1 | 452.08750000 | 7K60FXE | |
| 1 | 1 | 452.10000000 | 7K60FXD | |
| 1 | 1 | 452.10000000 | 11K2F3E | |
| 1 | 1 | 452.10000000 | 7K60FXE | |
| 18 | 1 | 452.11250000 | 11K2F3E | |
| 18 | 1 | 452.11250000 | 7K60FXD | |
| 18 | 1 | 452.11250000 | 7K60FXE | |
| 18 | 1 | 452.63750000 | 11K2F3E | |
| 18 | 1 | 452.63750000 | 7K60FXD | |
| 18 | 1 | 452.63750000 | 7K60FXE | |
| 15 | 1 | 452.68750000 | 7K60FXE | |
| 15 | 1 | 452.68750000 | 11K2F3E | |
| 15 | 1 | 452.68750000 | 7K60FXD | |
| 16 | 1 | 456.18750000 | 11K2F3E | |
| 16 | 1 | 456.18750000 | 7K60FXE | |
| 16 | 1 | 456.18750000 | 7K60FXD | |
| 14 | 1 | 456.23750000 | 7K60FXE | |
| 14 | 1 | 456.23750000 | 7K60FXD | |
| 14 | 1 | 456.23750000 | 11K2F3E | |
| 17 | 1 | 456.28750000 | 7K60FXD | |
| 17 | 1 | 456.28750000 | 7K60FXE | |
| 17 | 1 | 456.28750000 | 11K2F3E | |
| 18 | 1 | 456.31250000 | 11K2F3E | |
| 18 | 1 | 456.31250000 | 7K60FXD | |
| 18 | 1 | 456.31250000 | 7K60FXE | |
| 14 | 1 | 456.43750000 | 7K60FXE | |
| 14 | 1 | 456.43750000 | 7K60FXD | |
| 14 | 1 | 456.43750000 | 11K2F3E | |
| 15 | 1 | 456.56250000 | 11K2F3E | |
| 15 | 1 | 456.56250000 | 7K60FXD | |
| 15 | 1 | 456.56250000 | 7K60FXE | |
| 13 | 1 | 456.58750000 | 11K2F3E | |
| 13 | 1 | 456.58750000 | 7K60FXE | |
| 13 | 1 | 456.58750000 | 7K60FXD | |
| 13 | 1 | 456.66250000 | 11K2F3E | |
| 13 | 1 | 456.66250000 | 7K60FXD | |
| 13 | 1 | 456.66250000 | 7K60FXE | |
| 16 | 1 | 456.71250000 | 7K60FXE | |
| 16 | 1 | 456.71250000 | 7K60FXD | |
| 16 | 1 | 456.71250000 | 11K2F3E | |
| 16 | 1 | 456.73750000 | 11K2F3E | |
| 16 | 1 | 456.73750000 | 7K60FXE | |
| 16 | 1 | 456.73750000 | 7K60FXD | |
| 12 | 1 | 456.85000000 | 7K60FXD | |
| 12 | 1 | 456.85000000 | 7K60FXE | |
| 12 | 1 | 456.85000000 | 11K2F3E | |
| 17 | 1 | 457.08750000 | 7K60FXD | |
| 17 | 1 | 457.08750000 | 7K60FXE | |
| 17 | 1 | 457.08750000 | 11K2F3E | |
| 2 | 1 | 457.10000000 | 7K60FXD | |
| 2 | 1 | 457.10000000 | 11K2F3E | |
| 2 | 1 | 457.10000000 | 7K60FXE | |
| 18 | 1 | 457.63750000 | 11K2F3E | |
| 18 | 1 | 457.63750000 | 7K60FXE | |
| 18 | 1 | 457.63750000 | 7K60FXD | |
| 15 | 1 | 457.68750000 | 11K2F3E | |
| 15 | 1 | 457.68750000 | 7K60FXE | |
| 15 | 1 | 457.68750000 | 7K60FXD | |
| 9 | 1 | 462.12500000 | 7K60FXE | |
| 9 | 1 | 462.12500000 | 11K2F3E | |
| 9 | 1 | 462.12500000 | 7K60FXD | |
| 3 | 1 | 462.35000000 | 7K60FXD | |
| 3 | 1 | 462.35000000 | 7K60FXE | |
| 3 | 1 | 462.35000000 | 11K2F3E | |
| 14 | 1 | 462.36250000 | 7K60FXD | |
| 14 | 1 | 462.36250000 | 7K60FXE | |
| 14 | 1 | 462.36250000 | 11K2F3E | |
| 7 | 1 | 463.85000000 | 7K60FXE | |
| 7 | 1 | 463.85000000 | 11K2F3E | |
| 7 | 1 | 463.85000000 | 7K60FXD | |
| 5 | 1 | 463.92500000 | 7K60FXE | |
| 5 | 1 | 463.92500000 | 11K2F3E | |
| 5 | 1 | 463.92500000 | 7K60FXD | |
| 10 | 1 | 467.12500000 | 7K60FXD | |
| 10 | 1 | 467.12500000 | 11K2F3E | |
| 10 | 1 | 467.12500000 | 7K60FXE | |
| 4 | 1 | 467.35000000 | 11K2F3E | |
| 4 | 1 | 467.35000000 | 7K60FXE | |
| 4 | 1 | 467.35000000 | 7K60FXD | |
| 14 | 1 | 467.36250000 | 7K60FXE | |
| 14 | 1 | 467.36250000 | 11K2F3E | |
| 14 | 1 | 467.36250000 | 7K60FXD | |
| 8 | 1 | 468.85000000 | 7K60FXD | |
| 8 | 1 | 468.85000000 | 11K2F3E | |
| 8 | 1 | 468.85000000 | 7K60FXE | |
| 6 | 1 | 468.92500000 | 7K60FXE | |
| 6 | 1 | 468.92500000 | 11K2F3E | |
| 6 | 1 | 468.92500000 | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 51 University Blvd East (Montgomery Blair HS), Silver Spring, MONTGOMERY, MD | 39.01800000, -77.01338889 | 104.000 m | BANT | 18.300 m structure / 22.900 m overall | |
| 2 | T | ||||||
| 3 | T | 300 Olney Sandy Spring Road (Sherwood HS), Sandy Spring, MONTGOMERY, MD | 39.14791667, -77.01883333 | 141.000 m | POLE | 13.700 m structure / 18.300 m overall | |
| 4 | T | ||||||
| 5 | T | 8225 Bells Mill Road (Bells Mills ES), Potomac, MONTGOMERY, MD | 39.03216667, -77.16852778 | 100.000 m | POLE | 7.600 m structure / 12.200 m overall | |
| 6 | T | ||||||
| 7 | T | 10311 River Road (Potomac ES), Potomac, MONTGOMERY, MD | 39.02175000, -77.21330556 | 105.000 m | POLE | 10.700 m structure / 15.200 m overall | |
| 8 | T | ||||||
| 9 | T | 25921 Ridge Road (Damascus HS), Damascus, MONTGOMERY, MD | 39.28194444, -77.21016667 | 242.000 m | POLE | 13.700 m structure / 18.300 m overall | |
| 10 | T | ||||||
| 11 | T | 1002 First (Carl Sandberg Center), Rockville, MONTGOMERY, MD | 39.09138889, -77.13625000 | 126.000 m | POLE | 13.700 m structure / 18.300 m overall | |
| 12 | T | ||||||
| 13 | T | Silver Spring, MONTGOMERY, MD | 39.01800000, -77.01338889 | ||||
| 14 | T | Sandy Spring, MONTGOMERY, MD | 39.14791667, -77.01883333 | ||||
| 15 | T | Potomac, MONTGOMERY, MD | 39.03216667, -77.16852778 | ||||
| 16 | T | Potomas, MONTGOMERY, MD | 39.02177778, -77.21330556 | ||||
| 17 | T | Damascus, MONTGOMERY, MD | 39.28194444, -77.21016667 | ||||
| 18 | T | Rockville, MONTGOMERY, MD | 39.09138889, -77.13625000 |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 22.900 m | 49.400 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | 18.300 m | 31.700 | |||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | 12.200 m | 12.400 | |||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | 15.200 m | 25.000 | |||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | 18.300 m | 89.400 | |||||
| 1 | 10 | T | |||||||
| 1 | 11 | T | 18.300 m | 27.700 | |||||
| 1 | 12 | T | |||||||
| 1 | 13 | T | |||||||
| 1 | 14 | T | |||||||
| 1 | 15 | T | |||||||
| 1 | 16 | T | |||||||
| 1 | 17 | T | |||||||
| 1 | 18 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | Blair High School - 51 University Blvd East, Silver Spring, MD | MONTGOMERY | 2403724667 |
| 2 | Sherwood High School -300 Olney Sand Spring Road, Sandy Spring, MD | MONTGOMERY | 3019243200 |
| 3 | Bells Mills Elementary - 8225 Bells Mill Road, Potomac, MD | MONTGOMERY | 2407400480 |
| 4 | Potomac Elementary - 10311 River Road, Potomac, MD | MONTGOMERY | 2407404360 |
| 5 | Damascus High School - 25921 Ridge Road, Damascus, MD | MONTGOMERY | 2402072400 |
| 6 | Carl Sandburg Center - 1002 First, Rockville, MD | MONTGOMERY | 2407404340 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2023-08-14 | WRTJ707 | FRATRE |
| 2023-08-02 | WRTJ707 | LETTRS |
| 2023-08-02 | WRTJ707 | PNLISR |
| 2023-03-28 | WRTJ707 | LETCNS |
| 2022-06-24 | WRTJ707 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4626560 | 2026-08-02 01:19:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WRTJ707 | ULS 4626560 | 2026-08-02 01:19:30 |
| Status | A | ULS 4626560 | 2026-08-02 01:19:30 |
| Service | IG | ULS 4626560 | 2026-08-02 01:19:30 |
| Grant Date | 2022-06-24 | ULS 4626560 | 2026-08-02 01:19:30 |
| Expiration Date | 2032-06-24 | ULS 4626560 | 2026-08-02 01:19:30 |