Universal Licensing System
WPTB831
State of Maryland, MIEMSS
License details
| ULS identifier | 2346480 |
|---|
| Call sign | WPTB831 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2021-06-07 |
|---|
| Expiration | 2031-08-24 |
|---|
| Frequency range | 6226.89 - 6725 MHz (4 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | Frederick, FREDERICK, MD |
|---|
| Coordinates | 39.4067500, -77.3746944 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:22 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FXO | 6226.89000000 | | | | | |
| 1 | 4 | FXO | 6226.89000000 | | | | | |
| 1 | 4 | FXO | 6226.89000000 | | | | | |
| 1 | 4 | FXO | 6226.89000000 | | | | | |
| 1 | 4 | FXO | 6226.89000000 | | | | | |
| 1 | 4 | FXO | 6226.89000000 | | | | | |
| 1 | 5 | FXO | 6256.54000000 | | | | | |
| 1 | 5 | FXO | 6256.54000000 | | | | | |
| 1 | 5 | FXO | 6256.54000000 | | | | | |
| 1 | 5 | FXO | 6256.54000000 | | | | | |
| 1 | 5 | FXO | 6256.54000000 | | | | | |
| 1 | 5 | FXO | 6256.54000000 | | | | | |
| 1 | 5 | FXO | 6256.54000000 | | | | | |
| 1 | 6 | FXO | 6655.00000000 | | | | | |
| 1 | 6 | FXO | 6655.00000000 | | | | | |
| 1 | 6 | FXO | 6655.00000000 | | | | | |
| 1 | 6 | FXO | 6655.00000000 | | | | | |
| 1 | 6 | FXO | 6655.00000000 | | | | | |
| 1 | 6 | FXO | 6655.00000000 | | | | | |
| 1 | 6 | FXO | 6655.00000000 | | | | | |
| 1 | 3 | FXO | 6725.00000000 | | | | | |
| 1 | 7 | FXO | 6725.00000000 | | | | | |
| 1 | 7 | FXO | 6725.00000000 | | | | | |
| 1 | 7 | FXO | 6725.00000000 | | | | | |
| 1 | 7 | FXO | 6725.00000000 | | | | | |
| 1 | 7 | FXO | 6725.00000000 | | | | | |
| 1 | 7 | FXO | 6725.00000000 | | | | | |
| 1 | 7 | FXO | 6725.00000000 | | | | | |
| 1 | 7 | FXO | 6725.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 6226.89000000 | | 30M0D7W |
| 1 | 4 | 6226.89000000 | | 30M0D7W |
| 1 | 4 | 6226.89000000 | | 30M0D7W |
| 1 | 4 | 6226.89000000 | | 30M0D7W |
| 1 | 4 | 6226.89000000 | | 30M0D7W |
| 1 | 4 | 6226.89000000 | | 30M0D7W |
| 1 | 5 | 6256.54000000 | | 30M0D7W |
| 1 | 5 | 6256.54000000 | | 30M0D7W |
| 1 | 5 | 6256.54000000 | | 30M0D7W |
| 1 | 5 | 6256.54000000 | | 30M0D7W |
| 1 | 5 | 6256.54000000 | | 30M0D7W |
| 1 | 5 | 6256.54000000 | | 30M0D7W |
| 1 | 5 | 6256.54000000 | | 30M0D7W |
| 1 | 6 | 6655.00000000 | | 30M0D7W |
| 1 | 6 | 6655.00000000 | | 30M0D7W |
| 1 | 6 | 6655.00000000 | | 30M0D7W |
| 1 | 6 | 6655.00000000 | | 30M0D7W |
| 1 | 6 | 6655.00000000 | | 30M0D7W |
| 1 | 6 | 6655.00000000 | | 30M0D7W |
| 1 | 6 | 6655.00000000 | | 30M0D7W |
| 1 | 3 | 6725.00000000 | | 30M0D7W |
| 1 | 7 | 6725.00000000 | | 30M0D7W |
| 1 | 7 | 6725.00000000 | | 30M0D7W |
| 1 | 7 | 6725.00000000 | | 30M0D7W |
| 1 | 7 | 6725.00000000 | | 30M0D7W |
| 1 | 7 | 6725.00000000 | | 30M0D7W |
| 1 | 7 | 6725.00000000 | | 30M0D7W |
| 1 | 7 | 6725.00000000 | | 30M0D7W |
| 1 | 7 | 6725.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 110 Airport Drive East, Frederick, FREDERICK, MD | 39.40675000, -77.37469444 | 93.800 m | MAST | 30.400 m structure / 36.400 m overall | N |
| 2 | R | | 39.34733333, -77.17136111 | 265.800 m | | | |
| 3 | R | | 39.43186111, -77.43836111 | 107.300 m | | | |
| 4 | R | | 39.49452778, -77.49830556 | 527.300 m | | | |
| 5 | R | | 39.37258333, -77.40808333 | 82.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 4 | R | ANDREW CORPORATION HP6-59WB | | | 39.4000 | | | |
| 1 | 5 | R | Commscope PAR6-59A | | | 38.2000 | 0.0000 | | |
| 2 | 2 | R | RFS PADX8-W59A | | | 41.4000 | 0.0000 | | |
| 2 | 3 | R | Commscope PAR6-65A RF | | | 38.8000 | 0.0000 | | |
| 2 | 4 | R | CommScope HP6-59WC | | | 39.4000 | 0.0000 | | |
| 3 | 1 | T | ANDREW CORPORATION PARX6-59W | | H | 38.3000 | 312.5000 | | |
| 4 | 1 | T | RFS PADX8-W59A | | H | 41.4000 | 110.6000 | | |
| 5 | 1 | T | Commscope PAR6-59A | | V | 38.2000 | 217.2000 | | |
| 6 | 1 | T | Commscope PAR6-65A RF | | V | 38.8000 | 297.0000 | | |
| 7 | 1 | T | CommScope PARX6-59WA | | H | 38.3000 | 312.5000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | MIEMSS Communications653 W Pratt Street, Baltimore, MD | BALTIMORE | 4107063668 |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-15 | WPTB831 | LETCNS |
| 2024-04-15 | WPTB831 | LIMOD |
| 2023-05-18 | WPTB831 | LIMOD |
| 2023-02-24 | WPTB831 | LIMOD |
| 2021-06-07 | WPTB831 | LIREN |
| 2021-05-31 | WPTB831 | LETRES |
| 2021-04-19 | WPTB831 | LIMOD |
| 2021-02-02 | WPTB831 | LIAUA |
| 2020-12-29 | WPTB831 | LETCNS |
| 2019-09-27 | WPTB831 | LIMOD |
| 2017-05-09 | WPTB831 | LETCNS |
| 2016-02-05 | WPTB831 | LIMOD |
| 2011-06-02 | WPTB831 | LIREN |
| 2011-05-30 | WPTB831 | LETRES |
| 2011-05-26 | WPTB831 | ESURNW |
| 2008-02-01 | WPTB831 | LIAUA |
| 2008-01-31 | WPTB831 | ESUAPR |
| 2007-12-20 | WPTB831 | LIAUA |
| 2007-12-19 | WPTB831 | ESUAPR |
| 2004-04-17 | WPTB831 | LIAUA |
| 2002-01-18 | WPTB831 | LIMOD |
| 2001-10-30 | WPTB831 | LIMOD |
| 2001-08-24 | WPTB831 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2346480 | 2026-08-02 02:46:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTB831 | ULS 2346480 | 2026-08-02 02:46:22 |
| Status | A | ULS 2346480 | 2026-08-02 02:46:22 |
| Service | MW | ULS 2346480 | 2026-08-02 02:46:22 |
| Grant Date | 2021-06-07 | ULS 2346480 | 2026-08-02 02:46:22 |
| Expiration Date | 2031-08-24 | ULS 2346480 | 2026-08-02 02:46:22 |