Universal Licensing System
WQCL557
AMERICAN PROTECTIVE SERVICE, LLC
License details
| ULS identifier | 2706799 |
|---|
| Call sign | WQCL557 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2005-04-01 |
|---|
| Expiration | 2015-04-01 |
|---|
| Cancellation | 2015-06-06 |
|---|
| Frequency range | 452 - 467.5 MHz (6 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | ROCKVILLE, MONTGOMERY, MD |
|---|
| Coordinates | 39.0505556, -77.1138889 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:18:01 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB4 | 452.00000000 | | | 30.000000 | 120.000000 | |
| 2 | 1 | MO | 452.00000000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | MO | 457.00000000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FX1 | 457.00000000 | | | 30.000000 | 180.000000 | |
| 4 | 1 | FB2 | 462.30000000 | | | 30.000000 | 60.000000 | |
| 5 | 1 | MO | 462.30000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | FB2 | 462.50000000 | | | 30.000000 | 60.000000 | |
| 5 | 1 | MO | 462.50000000 | | | 5.000000 | 5.000000 | |
| 5 | 1 | MO | 467.30000000 | | | 5.000000 | 5.000000 | |
| 6 | 1 | FX1 | 467.30000000 | | | 30.000000 | 60.000000 | |
| 5 | 1 | MO | 467.50000000 | | | 5.000000 | 5.000000 | |
| 6 | 1 | FX1 | 467.50000000 | | | 30.000000 | 60.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.00000000 | | 11K2F3E |
| 1 | 1 | 452.00000000 | | 20K0F3E |
| 2 | 1 | 452.00000000 | | 11K2F3E |
| 2 | 1 | 452.00000000 | | 20K0F3E |
| 2 | 1 | 457.00000000 | | 11K2F3E |
| 2 | 1 | 457.00000000 | | 20K0F3E |
| 3 | 1 | 457.00000000 | | 11K2F3E |
| 3 | 1 | 457.00000000 | | 20K0F3E |
| 4 | 1 | 462.30000000 | | 11K2F3E |
| 4 | 1 | 462.30000000 | | 20K0F3E |
| 5 | 1 | 462.30000000 | | 11K2F3E |
| 5 | 1 | 462.30000000 | | 20K0F3E |
| 4 | 1 | 462.50000000 | | 20K0F3E |
| 4 | 1 | 462.50000000 | | 11K2F3E |
| 5 | 1 | 462.50000000 | | 20K0F3E |
| 5 | 1 | 462.50000000 | | 11K2F3E |
| 5 | 1 | 467.30000000 | | 11K2F3E |
| 5 | 1 | 467.30000000 | | 20K0F3E |
| 6 | 1 | 467.30000000 | | 20K0F3E |
| 6 | 1 | 467.30000000 | | 11K2F3E |
| 5 | 1 | 467.50000000 | | 11K2F3E |
| 5 | 1 | 467.50000000 | | 20K0F3E |
| 6 | 1 | 467.50000000 | | 20K0F3E |
| 6 | 1 | 467.50000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 201 RUSSELL AVE, GAITHERSBURG, MONTGOMERY, MD | 39.15000000, -77.20111111 | 140.000 m | BANT | 37.000 m structure / 41.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | MONTGOMERY, MD | | | | | |
| 4 | | 11801 ROCKVILLE PIKE, ROCKVILLE, MONTGOMERY, MD | 39.05055556, -77.11388889 | 122.000 m | BPIPE | 60.000 m structure / 61.000 m overall | N |
| 5 | | | | | | | N |
| 6 | | MONTGOMERY, MD | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 41.000 m | | | | 51.000 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
| 1 | 4 | | | 61.000 m | | | | 83.000 | |
| 1 | 5 | | | | | | | | |
| 1 | 6 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 9811 WASHINGTONIAN BLVD, GAITHERSBURG, MD | MONTGOMERY | 2406318383 |
License history
| Date | File or call sign | Action |
|---|
| 2015-06-06 | WQCL557 | LIEXP |
| 2015-01-05 | WQCL557 | LETRES |
| 2010-12-14 | WQCL557 | LETCNS |
| 2010-03-11 | WQCL557 | LIMOD |
| 2009-09-22 | WQCL557 | LETCNS |
| 2008-12-19 | WQCL557 | LIMOD |
| 2006-05-10 | WQCL557 | PNLISR |
| 2006-05-10 | WQCL557 | LETTRS |
| 2006-01-03 | WQCL557 | LETCNS |
| 2005-04-01 | WQCL557 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2706799 | 2026-08-02 01:18:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQCL557 | ULS 2706799 | 2026-08-02 01:18:01 |
| Status | E | ULS 2706799 | 2026-08-02 01:18:01 |
| Service | IG | ULS 2706799 | 2026-08-02 01:18:01 |
| Grant Date | 2005-04-01 | ULS 2706799 | 2026-08-02 01:18:01 |
| Expiration Date | 2015-04-01 | ULS 2706799 | 2026-08-02 01:18:01 |
| Cancellation Date | 2015-06-06 | ULS 2706799 | 2026-08-02 01:18:01 |