Universal Licensing System
WPDD643
License details
| ULS identifier | 1232193 |
|---|---|
| Call sign | WPDD643 |
| Radio service | PW |
| Status | A |
| Grant date | 2024-10-02 |
| Expiration | 2034-12-06 |
| Frequency range | 1.07 MHz |
| Locations | 2 |
| Representative location | LAYTONSVILLE, MONTGOMERY, MD |
| Coordinates | 39.2084444, -77.1691389 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:10:09 |
Licensee
| Name | MONTGOMERY, COUNTY OF |
|---|---|
| Applicant type | G |
| FRN | 0002134625 |
| Location | Rockville, MD |
| Address | 100 Maryland Avenue, 2nd Floor, Rockville, MD, 20855 |
| Phone | 2407772933 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FB | 1.07000000 | 10.000000 | 10.000000 | |||
| 2 | 1 | FB | 1.07000000 | 10.000000 | 10.000000 | |||
| 3 | 1 | FB | 1.07000000 | 10.000000 | 10.000000 | |||
| 4 | 1 | FB | 1.07000000 | 10.000000 | 10.000000 | |||
| 5 | 1 | FB | 1.07000000 | 10.000000 | 10.000000 | |||
| 6 | 1 | FB | 1.07000000 | 10.000000 | 10.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 1.07000000 | 6K00A3E | |
| 2 | 1 | 1.07000000 | 6K00A3E | |
| 3 | 1 | 1.07000000 | 6K00A3E | |
| 4 | 1 | 1.07000000 | 6K00A3E | |
| 5 | 1 | 1.07000000 | 6K00A3E | |
| 6 | 1 | 1.07000000 | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | MD 97 & MD 28, ROCKVILLE, MONTGOMERY, MD | 39.11094444, -77.07525000 | 152.000 m | UPOLE | 8.000 m structure / 8.000 m overall | N |
| 2 | T | US 29 & BLACKBURN RD, BURTONSVILLE, MONTGOMERY, MD | 39.10427778, -76.93358333 | 143.000 m | UPOLE | 8.000 m structure / 8.000 m overall | N |
| 3 | T | CAPE MAY RD, SILVER SPRING, MONTGOMERY, MD | 39.09094444, -76.99747222 | 122.000 m | UPOLE | 8.000 m structure / 8.000 m overall | N |
| 4 | T | MD 193 & I495, SILVER SPRING, MONTGOMERY, MD | 39.01538889, -77.00497222 | 101.000 m | UPOLE | 8.000 m structure / 8.000 m overall | N |
| 5 | T | MD 124 & BRINK RD, LAYTONSVILLE, MONTGOMERY, MD | 39.20844444, -77.16913889 | 152.000 m | UPOLE | 8.000 m structure / 8.000 m overall | N |
| 6 | T | MD 27 1100 FT SW OF MD 108, DAMASCUS, MONTGOMERY, MD | 39.28816667, -77.20330556 | 250.000 m | UPOLE | 8.000 m structure / 8.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 14.000 m | V | 0.0000 | 0.0000 | |||
| 1 | 2 | T | 14.000 m | V | 0.0000 | 0.0000 | |||
| 1 | 3 | T | 14.000 m | V | 0.0000 | 0.0000 | |||
| 1 | 4 | T | 14.000 m | V | 0.0000 | 0.0000 | |||
| 1 | 5 | T | 14.000 m | V | 0.0000 | 0.0000 | |||
| 1 | 6 | T | 14.000 m | V | 0.0000 | 0.0000 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 2 | 1300 Quince Orchard Blvd., Gaithersburg, MD | MONTGOMERY | 2407772100 |
| 3 | 16647 CRABBS BRANCH WAY, ROCKVILLE, MD | MONTGOMERY | 2407738000 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2024-10-02 | WPDD643 | LIREN |
| 2024-09-09 | WPDD643 | LETRES |
| 2017-03-03 | WPDD643 | LIAUA |
| 2014-09-12 | WPDD643 | LIREN |
| 2014-09-07 | WPDD643 | ESURNW |
| 2014-08-27 | WPDD643 | LIAUA |
| 2014-08-26 | WPDD643 | ESUAPR |
| 2013-12-28 | WPDD643 | LIAUA |
| 2013-12-27 | WPDD643 | ESUAPR |
| 2010-06-19 | WPDD643 | LIAUA |
| 2010-06-18 | WPDD643 | ESUAPR |
| 2009-06-02 | WPDD643 | LIAUA |
| 2009-06-01 | WPDD643 | ESUAPR |
| 2009-05-30 | WPDD643 | LIAUA |
| 2009-05-29 | WPDD643 | ESUFNR |
| 2009-05-29 | WPDD643 | ESUAPR |
| 2004-11-19 | WPDD643 | LIREN |
| 2004-11-18 | WPDD643 | ESCAPR |
| 2004-09-13 | WPDD643 | LETRES |
| 2000-10-20 | WPDD643 | LICCNV |
| 1999-12-07 | WPDD643 | AUTHPR |
| 1999-12-07 | WPDD643 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1232193 | 2026-08-02 01:10:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPDD643 | ULS 1232193 | 2026-08-02 01:10:09 |
| Status | A | ULS 1232193 | 2026-08-02 01:10:09 |
| Service | PW | ULS 1232193 | 2026-08-02 01:10:09 |
| Grant Date | 2024-10-02 | ULS 1232193 | 2026-08-02 01:10:09 |
| Expiration Date | 2034-12-06 | ULS 1232193 | 2026-08-02 01:10:09 |