Universal Licensing System
WPPB357
COMMERCIAL ELECTRONIC SERVICES INC
License details
| ULS identifier | 1815582 |
|---|
| Call sign | WPPB357 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 1999-10-04 |
|---|
| Expiration | 2004-10-04 |
|---|
| Cancellation | 2004-12-04 |
|---|
| Frequency range | 451.675 - 466.45 MHz (11 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:26:58 |
|---|
Licensee
| Name | COMMERCIAL ELECTRONIC SERVICES INC |
|---|
| Applicant type | C |
|---|
| Location | WALDORF, MD |
|---|
| Address | 3225 OLD WASHINGTON RD, WALDORF, MD, 20602 |
|---|
| Phone | 3018438944 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FB6 | 451.42500000 | | | 100.000000 | 107.000000 | |
| 11 | 1 | MO | 451.42500000 | | | 40.000000 | | |
| 1 | 1 | FB6 | 451.52500000 | | | 100.000000 | 137.000000 | |
| 9 | 1 | MO | 451.52500000 | | | 40.000000 | | |
| 2 | 1 | FB6 | 451.57500000 | | | 100.000000 | 238.000000 | |
| 10 | 1 | MO | 451.57500000 | | | 40.000000 | | |
| 3 | 1 | FB6 | 451.67500000 | | | 100.000000 | 107.000000 | |
| 11 | 1 | MO | 451.67500000 | | | 40.000000 | | |
| 2 | 1 | FB6 | 451.70000000 | | | 100.000000 | 238.000000 | |
| 10 | 1 | MO | 451.70000000 | | | 40.000000 | | |
| 3 | 1 | FB6 | 451.77500000 | | | 100.000000 | 107.000000 | |
| 11 | 1 | MO | 451.77500000 | | | 40.000000 | | |
| 4 | 1 | FB6 | 451.97500000 | | | 100.000000 | 145.000000 | |
| 12 | 1 | MO | 451.97500000 | | | 40.000000 | | |
| 1 | 1 | FB6 | 452.15000000 | | | 100.000000 | 137.000000 | |
| 9 | 1 | MO | 452.15000000 | | | 40.000000 | | |
| 4 | 1 | FB6 | 452.27500000 | | | 100.000000 | 145.000000 | |
| 12 | 1 | MO | 452.27500000 | | | 40.000000 | | |
| 2 | 1 | FB6 | 452.80000000 | | | 100.000000 | 238.000000 | |
| 10 | 1 | MO | 452.80000000 | | | 40.000000 | | |
| 8 | 1 | FX1 | 456.42500000 | | | 40.000000 | | |
| 11 | 1 | MO | 456.42500000 | | | 40.000000 | | |
| 7 | 1 | FX1 | 456.52500000 | | | 40.000000 | | |
| 9 | 1 | MO | 456.52500000 | | | 40.000000 | | |
| 8 | 1 | FX1 | 456.57500000 | | | 40.000000 | | |
| 10 | 1 | MO | 456.57500000 | | | 40.000000 | | |
| 8 | 1 | FX1 | 456.67500000 | | | 40.000000 | | |
| 11 | 1 | MO | 456.67500000 | | | 40.000000 | | |
| 8 | 1 | FX1 | 456.70000000 | | | 40.000000 | | |
| 10 | 1 | MO | 456.70000000 | | | 40.000000 | | |
| 8 | 1 | FX1 | 456.77500000 | | | 40.000000 | | |
| 11 | 1 | MO | 456.77500000 | | | 40.000000 | | |
| 8 | 1 | FX1 | 456.97500000 | | | 40.000000 | | |
| 12 | 1 | MO | 456.97500000 | | | 40.000000 | | |
| 7 | 1 | FX1 | 457.15000000 | | | 40.000000 | | |
| 9 | 1 | MO | 457.15000000 | | | 40.000000 | | |
| 8 | 1 | FX1 | 457.27500000 | | | 40.000000 | | |
| 12 | 1 | MO | 457.27500000 | | | 40.000000 | | |
| 8 | 1 | FX1 | 457.80000000 | | | 40.000000 | | |
| 10 | 1 | MO | 457.80000000 | | | 40.000000 | | |
| 4 | 1 | FB6 | 461.45000000 | | | 100.000000 | 145.000000 | |
| 12 | 1 | MO | 461.45000000 | | | 40.000000 | | |
| 8 | 1 | FX1 | 466.45000000 | | | 40.000000 | | |
| 12 | 1 | MO | 466.45000000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.42500000 | | 11K2F3E |
| 11 | 1 | 451.42500000 | | 11K2F3E |
| 1 | 1 | 451.52500000 | | 11K2F3E |
| 9 | 1 | 451.52500000 | | 11K2F3E |
| 2 | 1 | 451.57500000 | | 11K2F3E |
| 10 | 1 | 451.57500000 | | 11K2F3E |
| 3 | 1 | 451.67500000 | | 11K2F3E |
| 11 | 1 | 451.67500000 | | 11K2F3E |
| 2 | 1 | 451.70000000 | | 11K2F3E |
| 10 | 1 | 451.70000000 | | 11K2F3E |
| 3 | 1 | 451.77500000 | | 11K2F3E |
| 11 | 1 | 451.77500000 | | 11K2F3E |
| 4 | 1 | 451.97500000 | | 11K2F3E |
| 12 | 1 | 451.97500000 | | 11K2F3E |
| 1 | 1 | 452.15000000 | | 11K2F3E |
| 9 | 1 | 452.15000000 | | 11K2F3E |
| 4 | 1 | 452.27500000 | | 11K2F3E |
| 12 | 1 | 452.27500000 | | 11K2F3E |
| 2 | 1 | 452.80000000 | | 11K2F3E |
| 10 | 1 | 452.80000000 | | 11K2F3E |
| 8 | 1 | 456.42500000 | | 11K2F3E |
| 11 | 1 | 456.42500000 | | 11K2F3E |
| 7 | 1 | 456.52500000 | | 11K2F3E |
| 9 | 1 | 456.52500000 | | 11K2F3E |
| 8 | 1 | 456.57500000 | | 11K2F3E |
| 10 | 1 | 456.57500000 | | 11K2F3E |
| 8 | 1 | 456.67500000 | | 11K2F3E |
| 11 | 1 | 456.67500000 | | 11K2F3E |
| 8 | 1 | 456.70000000 | | 11K2F3E |
| 10 | 1 | 456.70000000 | | 11K2F3E |
| 8 | 1 | 456.77500000 | | 11K2F3E |
| 11 | 1 | 456.77500000 | | 11K2F3E |
| 8 | 1 | 456.97500000 | | 11K2F3E |
| 12 | 1 | 456.97500000 | | 11K2F3E |
| 7 | 1 | 457.15000000 | | 11K2F3E |
| 9 | 1 | 457.15000000 | | 11K2F3E |
| 8 | 1 | 457.27500000 | | 11K2F3E |
| 12 | 1 | 457.27500000 | | 11K2F3E |
| 8 | 1 | 457.80000000 | | 11K2F3E |
| 10 | 1 | 457.80000000 | | 11K2F3E |
| 4 | 1 | 461.45000000 | | 11K2F3E |
| 12 | 1 | 461.45000000 | | 11K2F3E |
| 8 | 1 | 466.45000000 | | 11K2F3E |
| 12 | 1 | 466.45000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BULL RUN MTN 2404 RIDGE RD, HAYMARKET, PRINCE WILLIAM, VA | 38.90677778, -77.67166667 | 351.000 m | TOWER | 33.000 m structure / 33.000 m overall | N |
| 2 | T | WWDC TOWER 8800 BROOKVILLE RD, SILVER SPRING, MONTGOMERY, MD | 39.00011111, -77.05691667 | 90.000 m | TOWER | 212.000 m structure / 229.000 m overall | N |
| 3 | T | WBFF TOWER 1200 N ROLLING RD, CATONSVILLE, BALTIMORE, MD | 39.28705556, -76.75413889 | 165.000 m | TOWER | 202.000 m structure / 203.000 m overall | N |
| 4 | T | WXTR TOWER 3.5 KM E ST RT 5 ON ST RT 382, WALDORF, CHARLES, MD | 38.61872222, -76.84469444 | 55.000 m | TOWER | 245.000 m structure / 246.000 m overall | N |
| 7 | T | VA | | | | | |
| 8 | T | MD | | | | | |
| 9 | T | | | | | | |
| 10 | T | | | | | | |
| 11 | T | | | | | | |
| 12 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | 238.000 | |
| 1 | 2 | T | | 171.000 m | | | | 181.000 | |
| 1 | 3 | T | | 202.000 m | | | | 269.000 | |
| 1 | 4 | T | | 226.000 m | | | | 232.000 | |
| 1 | 7 | T | | | | | | | |
| 1 | 8 | T | | | | | | | |
| 1 | 9 | T | | | | | | | |
| 1 | 10 | T | | | | | | | |
| 1 | 11 | T | | | | | | | |
| 1 | 12 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3225 OLD WASHINGTON RD, WALDORF, MD | | 3018438944 |
License history
| Date | File or call sign | Action |
|---|
| 2004-12-04 | WPPB357 | LIEXP |
| 2004-07-12 | WPPB357 | LETRES |
| 2003-09-22 | WPPB357 | AUTHPR |
| 2003-09-18 | WPPB357 | COR |
| 2003-09-18 | WPPB357 | INTDUP |
| 2001-12-13 | WPPB357 | AUDOPR |
| 2000-11-23 | WPPB357 | LICCNV |
| 1999-10-04 | WPPB357 | AUTHPR |
| 1999-10-04 | WPPB357 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1815582 | 2026-08-02 01:26:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPB357 | ULS 1815582 | 2026-08-02 01:26:58 |
| Status | E | ULS 1815582 | 2026-08-02 01:26:58 |
| Service | IG | ULS 1815582 | 2026-08-02 01:26:58 |
| Grant Date | 1999-10-04 | ULS 1815582 | 2026-08-02 01:26:58 |
| Expiration Date | 2004-10-04 | ULS 1815582 | 2026-08-02 01:26:58 |
| Cancellation Date | 2004-12-04 | ULS 1815582 | 2026-08-02 01:26:58 |