Universal Licensing System
WNNJ721
COMCAST OF MARYLAND INC
License details
| ULS identifier | 1587660 |
|---|
| Call sign | WNNJ721 |
|---|
| Radio service | GU |
|---|
| Status | C |
|---|
| Grant date | 2004-01-10 |
|---|
| Expiration | 2014-01-17 |
|---|
| Cancellation | 2010-12-01 |
|---|
| Frequency range | 897.1375 - 898.1375 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | WASHINGTON, DC |
|---|
| Coordinates | 38.9305556, -77.0711111 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:12:51 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 897.13750000 | | | 30.000000 | 35.000000 | |
| 5 | 1 | MO | 897.13750000 | | | 30.000000 | 35.000000 | |
| 1 | 1 | FX1 | 897.16250000 | | | 30.000000 | 50.000000 | |
| 3 | 1 | MO | 897.16250000 | | | 30.000000 | 35.000000 | |
| 3 | 1 | MO | 898.13750000 | | | 30.000000 | 35.000000 | |
| 5 | 1 | MO | 898.13750000 | | | 30.000000 | 35.000000 | |
| 1 | 1 | FX1 | 898.16250000 | | | 30.000000 | 50.000000 | |
| 3 | 1 | MO | 898.16250000 | | | 30.000000 | 35.000000 | |
| 5 | 1 | MO | 899.13750000 | | | 30.000000 | 35.000000 | |
| 2 | 1 | FB2 | 936.13750000 | | | 150.000000 | 350.000000 | |
| 3 | 1 | MO | 936.13750000 | | | 30.000000 | 35.000000 | |
| 2 | 1 | FB2 | 936.16250000 | | | 150.000000 | 350.000000 | |
| 3 | 1 | MO | 936.16250000 | | | 30.000000 | 35.000000 | |
| 2 | 1 | FB2 | 937.13750000 | | | 150.000000 | 350.000000 | |
| 3 | 1 | MO | 937.13750000 | | | 30.000000 | 35.000000 | |
| 2 | 1 | FB2 | 937.16250000 | | | 150.000000 | 350.000000 | |
| 3 | 1 | MO | 937.16250000 | | | 30.000000 | 35.000000 | |
| 4 | 1 | FB2 | 938.13750000 | | | 150.000000 | 350.000000 | |
| 5 | 1 | MO | 938.13750000 | | | 30.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 897.13750000 | | 13K6F3E |
| 5 | 1 | 897.13750000 | | 13K6F3E |
| 1 | 1 | 897.16250000 | | 13K6F3E |
| 3 | 1 | 897.16250000 | | 13K6F3E |
| 3 | 1 | 898.13750000 | | 13K6F3E |
| 5 | 1 | 898.13750000 | | 13K6F3E |
| 1 | 1 | 898.16250000 | | 13K6F3E |
| 3 | 1 | 898.16250000 | | 13K6F3E |
| 5 | 1 | 899.13750000 | | 13K6F3E |
| 2 | 1 | 936.13750000 | | 13K6F3E |
| 3 | 1 | 936.13750000 | | 13K6F3E |
| 2 | 1 | 936.16250000 | | 13K6F3E |
| 3 | 1 | 936.16250000 | | 13K6F3E |
| 2 | 1 | 937.13750000 | | 13K6F3E |
| 3 | 1 | 937.13750000 | | 13K6F3E |
| 2 | 1 | 937.16250000 | | 13K6F3E |
| 3 | 1 | 937.16250000 | | 13K6F3E |
| 4 | 1 | 938.13750000 | | 13K6F3E |
| 5 | 1 | 938.13750000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MD | | | | | N |
| 2 | T | 1200 N ROLLING RD, CATONSVILLE, BALTIMORE CITY, MD | 39.28705556, -76.75416667 | 165.000 m | TOWER | 203.000 m structure / 203.000 m overall | N |
| 3 | T | | | | | | N |
| 4 | T | 3001 WISCONSIN AVE, WASHINGTON, DC | 38.93055556, -77.07111111 | 115.000 m | B | 81.000 m structure / 81.000 m overall | N |
| 5 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 168.000 m | | | | 235.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 81.000 m | | | | 133.000 | |
| 1 | 5 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 899B AIRPORT PARK RD, GLEN BURNIE, MD | | 4107611234 |
License history
| Date | File or call sign | Action |
|---|
| 2010-12-02 | WNNJ721 | LICAN |
| 2007-12-27 | WNNJ721 | LIAUA |
| 2007-12-26 | WNNJ721 | ESUAPR |
| 2006-12-07 | WNNJ721 | LIAUA |
| 2006-12-06 | WNNJ721 | ESUAPR |
| 2004-01-10 | WNNJ721 | LIREN |
| 2003-10-31 | WNNJ721 | LIAUA |
| 2003-10-20 | WNNJ721 | LETRES |
| 2002-11-18 | WNNJ721 | LITRAN |
| 2001-06-11 | WNNJ721 | LIMOD |
| 2000-11-22 | WNNJ721 | LICCNV |
| 1999-02-09 | WNNJ721 | LIREN |
| 1999-02-09 | WNNJ721 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1587660 | 2026-08-02 01:12:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNNJ721 | ULS 1587660 | 2026-08-02 01:12:51 |
| Status | C | ULS 1587660 | 2026-08-02 01:12:51 |
| Service | GU | ULS 1587660 | 2026-08-02 01:12:51 |
| Grant Date | 2004-01-10 | ULS 1587660 | 2026-08-02 01:12:51 |
| Expiration Date | 2014-01-17 | ULS 1587660 | 2026-08-02 01:12:51 |
| Cancellation Date | 2010-12-01 | ULS 1587660 | 2026-08-02 01:12:51 |