Universal Licensing System
WQDR661
State of Maryland, MIEMSS
License details
| ULS identifier | 2756435 |
|---|
| Call sign | WQDR661 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2025-08-05 |
|---|
| Expiration | 2035-10-14 |
|---|
| Frequency range | 11205 - 11445 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 38.9972778, -77.1109167 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11205.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11445.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11205.00000000 | | 10M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
| 1 | 3 | 11445.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7915 MONTROSE RD, ROCKVILLE, MONTGOMERY, MD | 39.05888889, -77.16361111 | 111.000 m | LTOWER | 88.000 m structure / 91.000 m overall | N |
| 2 | R | | 39.08316667, -77.14941667 | 133.500 m | | | |
| 4 | R | | 38.99727778, -77.11091667 | 115.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Andrew HP4-107A | | V | 40.4000 | 24.5000 | | |
| 1 | 2 | R | Andrew HP4-107A | | | 40.4000 | | | |
| 1 | 4 | R | RFS SC3-W100A | | | 38.3000 | 0.0000 | | |
| 3 | 1 | T | RFS SC3-W100A | | V | 38.3000 | 146.3000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | MIEMSS Communications653 W Pratt Street, Baltimore, MD | BALTIMORE | 4107063668 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-05 | WQDR661 | LIREN |
| 2025-07-21 | WQDR661 | LETRES |
| 2021-08-26 | WQDR661 | LIMOD |
| 2021-02-02 | WQDR661 | LIAUA |
| 2021-01-05 | WQDR661 | AUTHPR |
| 2021-01-03 | WQDR661 | PAATRM |
| 2021-01-03 | WQDR661 | FRATRM |
| 2021-01-03 | WQDR661 | ANATRM |
| 2021-01-03 | WQDR661 | LOATRM |
| 2020-10-28 | WQDR661 | LETTRS |
| 2020-10-28 | WQDR661 | PNLISR |
| 2020-06-23 | WQDR661 | LETCNS |
| 2019-11-25 | WQDR661 | LIMOD |
| 2019-03-19 | WQDR661 | LIMOD |
| 2015-07-29 | WQDR661 | LIREN |
| 2015-07-20 | WQDR661 | LETRES |
| 2015-07-16 | WQDR661 | ESURNW |
| 2008-02-01 | WQDR661 | LIAUA |
| 2008-01-31 | WQDR661 | ESUAPR |
| 2007-12-20 | WQDR661 | LIAUA |
| 2007-12-19 | WQDR661 | ESUAPR |
| 2007-01-16 | WQDR661 | LETCNS |
| 2005-10-14 | WQDR661 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2756435 | 2026-08-02 02:46:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDR661 | ULS 2756435 | 2026-08-02 02:46:36 |
| Status | A | ULS 2756435 | 2026-08-02 02:46:36 |
| Service | MW | ULS 2756435 | 2026-08-02 02:46:36 |
| Grant Date | 2025-08-05 | ULS 2756435 | 2026-08-02 02:46:36 |
| Expiration Date | 2035-10-14 | ULS 2756435 | 2026-08-02 02:46:36 |