Universal Licensing System
WRDJ485
BALTIMORE COUNTY PUBLIC SCHOOLS
License details
| ULS identifier | 4159714 |
|---|---|
| Call sign | WRDJ485 |
| Radio service | IG |
| Status | A |
| Grant date | 2019-05-14 |
| Expiration | 2029-05-14 |
| Frequency range | 451.3125 - 468.95 MHz (33 frequencies) |
| Locations | 18 |
| Representative location | Towson, BALTIMORE, MD |
| Coordinates | 39.4038056, -76.5813333 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:19:42 |
Licensee
| Name | BALTIMORE COUNTY PUBLIC SCHOOLS |
|---|---|
| Applicant type | G |
| FRN | 0020227526 |
| Location | ESSEX, MD |
| Address | 600 STEMMERS RUN RD, ESSEX, MD, 21221 |
| Phone | 4438099888 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 18 | 1 | MO | 451.31250000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 451.41250000 | 4.000000 | 4.000000 | |||
| 13 | 1 | MO | 451.43750000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 451.46250000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 451.51250000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 451.58750000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 451.68750000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 452.03750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 452.06250000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 452.18750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 452.31250000 | 4.000000 | 4.000000 | |||
| 13 | 1 | MO | 452.63750000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 452.66250000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 452.81250000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 452.88750000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 456.31250000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 456.41250000 | 4.000000 | 4.000000 | |||
| 13 | 1 | MO | 456.43750000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 456.46250000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 456.51250000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 456.58750000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 456.68750000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 457.03750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 457.06250000 | 4.000000 | 4.000000 | |||
| 13 | 1 | MO | 457.18750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 457.31250000 | 4.000000 | 4.000000 | |||
| 13 | 1 | MO | 457.63750000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 457.66250000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 457.81250000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 457.88750000 | 4.000000 | 4.000000 | |||
| 7 | 1 | FB2 | 461.47500000 | 25.000000 | 25.000000 | |||
| 8 | 1 | MO | 461.47500000 | 4.000000 | 4.000000 | |||
| 11 | 1 | FB2 | 463.76250000 | 25.000000 | 25.000000 | |||
| 12 | 1 | MO | 463.76250000 | 4.000000 | 4.000000 | |||
| 9 | 1 | FB2 | 463.95000000 | 25.000000 | 25.000000 | |||
| 10 | 1 | MO | 463.95000000 | 4.000000 | 4.000000 | |||
| 5 | 1 | FB2 | 464.62500000 | 25.000000 | 25.000000 | |||
| 6 | 1 | MO | 464.62500000 | 4.000000 | 4.000000 | |||
| 3 | 1 | FB2 | 464.86250000 | 25.000000 | 25.000000 | |||
| 4 | 1 | MO | 464.86250000 | 4.000000 | 4.000000 | |||
| 1 | 1 | FB2 | 464.90000000 | 25.000000 | 25.000000 | |||
| 2 | 1 | MO | 464.90000000 | 4.000000 | 4.000000 | |||
| 8 | 1 | MO | 466.47500000 | 4.000000 | 4.000000 | |||
| 12 | 1 | MO | 468.76250000 | 4.000000 | 4.000000 | |||
| 10 | 1 | MO | 468.95000000 | 4.000000 | 4.000000 | |||
| 6 | 1 | MO | 469.62500000 | 4.000000 | 4.000000 | |||
| 4 | 1 | MO | 469.86250000 | 4.000000 | 4.000000 | |||
| 2 | 1 | MO | 469.90000000 | 4.000000 | 4.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 18 | 1 | 451.31250000 | 7K60FXE | |
| 16 | 1 | 451.41250000 | 7K60FXE | |
| 13 | 1 | 451.43750000 | 7K60FXE | |
| 16 | 1 | 451.46250000 | 7K60FXE | |
| 14 | 1 | 451.51250000 | 7K60FXE | |
| 18 | 1 | 451.58750000 | 7K60FXE | |
| 14 | 1 | 451.68750000 | 7K60FXE | |
| 18 | 1 | 452.03750000 | 7K60FXE | |
| 17 | 1 | 452.06250000 | 7K60FXE | |
| 15 | 1 | 452.18750000 | 7K60FXE | |
| 17 | 1 | 452.31250000 | 7K60FXE | |
| 13 | 1 | 452.63750000 | 7K60FXE | |
| 15 | 1 | 452.66250000 | 7K60FXE | |
| 17 | 1 | 452.81250000 | 7K60FXE | |
| 15 | 1 | 452.88750000 | 7K60FXE | |
| 16 | 1 | 456.31250000 | 7K60FXE | |
| 16 | 1 | 456.41250000 | 7K60FXE | |
| 13 | 1 | 456.43750000 | 7K60FXE | |
| 16 | 1 | 456.46250000 | 7K60FXE | |
| 14 | 1 | 456.51250000 | 7K60FXE | |
| 18 | 1 | 456.58750000 | 7K60FXE | |
| 14 | 1 | 456.68750000 | 7K60FXE | |
| 18 | 1 | 457.03750000 | 7K60FXE | |
| 17 | 1 | 457.06250000 | 7K60FXE | |
| 13 | 1 | 457.18750000 | 7K60FXE | |
| 17 | 1 | 457.31250000 | 7K60FXE | |
| 13 | 1 | 457.63750000 | 7K60FXE | |
| 15 | 1 | 457.66250000 | 7K60FXE | |
| 14 | 1 | 457.81250000 | 7K60FXE | |
| 15 | 1 | 457.88750000 | 7K60FXE | |
| 7 | 1 | 461.47500000 | 7K60FXE | |
| 8 | 1 | 461.47500000 | 7K60FXE | |
| 11 | 1 | 463.76250000 | 7K60FXE | |
| 12 | 1 | 463.76250000 | 7K60FXE | |
| 9 | 1 | 463.95000000 | 7K60FXE | |
| 10 | 1 | 463.95000000 | 7K60FXE | |
| 5 | 1 | 464.62500000 | 7K60FXE | |
| 6 | 1 | 464.62500000 | 7K60FXE | |
| 3 | 1 | 464.86250000 | 7K60FXE | |
| 4 | 1 | 464.86250000 | 7K60FXE | |
| 1 | 1 | 464.90000000 | 7K60FXE | |
| 2 | 1 | 464.90000000 | 7K60FXE | |
| 8 | 1 | 466.47500000 | 7K60FXE | |
| 12 | 1 | 468.76250000 | 7K60FXE | |
| 10 | 1 | 468.95000000 | 7K60FXE | |
| 6 | 1 | 469.62500000 | 7K60FXE | |
| 4 | 1 | 469.86250000 | 7K60FXE | |
| 2 | 1 | 469.90000000 | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | Cromwell Valley ES - 825 Providence Rd, Towson, BALTIMORE, MD | 39.40380556, -76.58133333 | 115.000 m | BANT | 6.100 m structure / 7.600 m overall | |
| 2 | T | ||||||
| 3 | T | Harford Hills ES - 8902 Old Harford Rd, Parkville, BALTIMORE, MD | 39.39988889, -76.53666667 | 124.000 m | BANT | 4.600 m structure / 6.100 m overall | |
| 4 | T | ||||||
| 5 | T | Pleasant Plains ES - 8300 Pleasant Plains Rd, Towson, BALTIMORE, MD | 39.39161111, -76.57294444 | 131.000 m | BANT | 7.600 m structure / 9.100 m overall | |
| 6 | T | ||||||
| 7 | T | Oakleigh ES - 9200 Old Harford Rd, Parkville, BALTIMORE, MD | 39.39377778, -76.55263889 | 122.000 m | BANT | 6.100 m structure / 7.600 m overall | |
| 8 | T | ||||||
| 9 | T | Pine Grove MS - 9200 Old Harford Rd, Parkville, BALTIMORE, MD | 39.40555556, -76.52802778 | 138.000 m | BANT | 9.100 m structure / 10.700 m overall | |
| 10 | T | ||||||
| 11 | T | Loch Raven HS - 1212 Cowpens Ave, Towson, BALTIMORE, MD | 39.40488889, -76.56380556 | 93.000 m | BANT | 13.700 m structure / 15.200 m overall | |
| 12 | T | ||||||
| 13 | T | Towson, BALTIMORE, MD | 39.40380556, -76.58133333 | ||||
| 14 | T | Parkville, BALTIMORE, MD | 39.39988889, -76.53666667 | ||||
| 15 | T | Towson, BALTIMORE, MD | 39.39161111, -76.57294444 | ||||
| 16 | T | Parkville, BALTIMORE, MD | 39.39377778, -76.55263889 | ||||
| 17 | T | Parkville, BALTIMORE, MD | 39.40555556, -76.52802778 | ||||
| 18 | T | Towson, BALTIMORE, MD | 39.40488889, -76.56380556 |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 7.600 m | 27.000 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | 6.100 m | 48.300 | |||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | 9.100 m | 50.900 | |||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | 7.600 m | 47.300 | |||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | 10.700 m | 66.100 | |||||
| 1 | 10 | T | |||||||
| 1 | 11 | T | 15.200 m | 17.800 | |||||
| 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 | 600 Stemmers Run Rd, Essex, MD | BALTIMORE | 4438099888 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2019-05-14 | WRDJ485 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4159714 | 2026-08-02 01:19:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WRDJ485 | ULS 4159714 | 2026-08-02 01:19:42 |
| Status | A | ULS 4159714 | 2026-08-02 01:19:42 |
| Service | IG | ULS 4159714 | 2026-08-02 01:19:42 |
| Grant Date | 2019-05-14 | ULS 4159714 | 2026-08-02 01:19:42 |
| Expiration Date | 2029-05-14 | ULS 4159714 | 2026-08-02 01:19:42 |