Universal Licensing System
WNRM640
MARYLAND, STATE OF
License details
| ULS identifier | 1264836 |
|---|
| Call sign | WNRM640 |
|---|
| Radio service | PW |
|---|
| Status | A |
|---|
| Grant date | 2025-06-25 |
|---|
| Expiration | 2035-09-18 |
|---|
| Frequency range | 39.04 - 458.55 MHz (18 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | ROCKVILLE, MONTGOMERY, MD |
|---|
| Coordinates | 39.0588889, -77.1636111 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:08:56 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 3 | FB | 39.04000000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | FB | 39.04000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 39.10000000 | | | 100.000000 | 140.000000 | |
| 4 | 1 | FB | 39.10000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 39.14000000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | FB | 39.14000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 39.26000000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | FB | 39.26000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 39.30000000 | | | 100.000000 | 140.000000 | |
| 3 | 3 | FB | 39.32000000 | | | 100.000000 | 140.000000 | |
| 4 | 1 | FB | 39.32000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 39.36000000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | FB | 39.36000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 39.40000000 | | | 100.000000 | 140.000000 | |
| 4 | 1 | FB | 39.40000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 39.42000000 | | | 100.000000 | 100.000000 | |
| 3 | 3 | FB | 39.62000000 | | | 100.000000 | 140.000000 | |
| 4 | 1 | FB | 39.62000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 39.68000000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | FB | 39.68000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 39.90000000 | | | 100.000000 | 100.000000 | |
| 3 | 3 | FB | 39.92000000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | FB | 39.92000000 | | | 100.000000 | 85.000000 | |
| 3 | 3 | FB | 44.74000000 | | | 100.000000 | 61.000000 | |
| 3 | 3 | FB | 44.90000000 | | | 100.000000 | 61.000000 | |
| 3 | 2 | FB | 155.19000000 | | | 100.000000 | 212.000000 | |
| 3 | 2 | FB | 155.47500000 | | | 100.000000 | 212.000000 | |
| 3 | 1 | FX1 | 458.55000000 | | | 35.000000 | 138.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 3 | 39.04000000 | | 20K0F3E |
| 4 | 1 | 39.04000000 | | 20K0F3E |
| 3 | 3 | 39.10000000 | | 20K0F3E |
| 4 | 1 | 39.10000000 | | 20K0F3E |
| 3 | 3 | 39.14000000 | | 20K0F3E |
| 4 | 1 | 39.14000000 | | 20K0F3E |
| 3 | 3 | 39.26000000 | | 20K0F3E |
| 4 | 1 | 39.26000000 | | 20K0F3E |
| 3 | 3 | 39.30000000 | | 20K0F3E |
| 3 | 3 | 39.32000000 | | 20K0F3E |
| 4 | 1 | 39.32000000 | | 20K0F3E |
| 3 | 3 | 39.36000000 | | 20K0F3E |
| 4 | 1 | 39.36000000 | | 20K0F3E |
| 3 | 3 | 39.40000000 | | 20K0F3E |
| 4 | 1 | 39.40000000 | | 20K0F3E |
| 3 | 3 | 39.42000000 | | 20K0F3E |
| 3 | 3 | 39.62000000 | | 20K0F3E |
| 4 | 1 | 39.62000000 | | 20K0F3E |
| 3 | 3 | 39.68000000 | | 20K0F3E |
| 4 | 1 | 39.68000000 | | 20K0F3E |
| 3 | 3 | 39.90000000 | | 20K0F3E |
| 3 | 3 | 39.92000000 | | 20K0F3E |
| 4 | 1 | 39.92000000 | | 20K0F3E |
| 3 | 3 | 44.74000000 | | 20K0F3E |
| 3 | 3 | 44.90000000 | | 20K0F3E |
| 3 | 2 | 155.19000000 | | 11K2F3E |
| 3 | 2 | 155.47500000 | | 11K2F3E |
| 3 | 1 | 458.55000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 3 | T | 7915 MONTROSE RD, ROCKVILLE, MONTGOMERY, MD | 39.05888889, -77.16361111 | 111.000 m | TOWER | 88.000 m structure / 91.000 m overall | N |
| 4 | T | 8520 PLEASANT RD, GAITHERSBURG, MONTGOMERY, MD | 39.11983333, -77.17941667 | 169.200 m | TOWER | 76.200 m structure / 82.300 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 3 | T | | 46.000 m | | | | 121.100 | |
| 1 | 4 | T | | 37.000 m | | | | 82.200 | |
| 2 | 3 | T | | 85.000 m | | | | 159.700 | |
| 3 | 3 | T | | 91.000 m | | | | 165.700 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7915 MONTROSE RD, ROCKVILLE, MD | MONTGOMERY | 3017993466 |
License history
| Date | File or call sign | Action |
|---|
| 2025-06-25 | WNRM640 | LIREN |
| 2025-06-23 | WNRM640 | LETRES |
| 2015-09-11 | WNRM640 | LIMOD |
| 2015-07-22 | WNRM640 | LIREN |
| 2015-07-22 | WNRM640 | COR |
| 2015-06-22 | WNRM640 | LETRES |
| 2014-06-04 | WNRM640 | LIAUA |
| 2014-06-03 | WNRM640 | ESUAPR |
| 2011-01-05 | WNRM640 | LIMOD |
| 2010-10-28 | WNRM640 | ESUAPR |
| 2008-02-08 | WNRM640 | LIMOD |
| 2006-03-30 | WNRM640 | LIMOD |
| 2006-01-06 | WNRM640 | LIMOD |
| 2005-09-26 | WNRM640 | ESURNW |
| 2005-07-02 | WNRM640 | LIREN |
| 2005-06-27 | WNRM640 | LETRES |
| 2004-06-11 | WNRM640 | LIAUA |
| 2004-06-09 | WNRM640 | ESCAPR |
| 2002-01-22 | WNRM640 | AUDOPR |
| 2000-10-20 | WNRM640 | LICCNV |
| 2000-06-29 | WNRM640 | AUTHPR |
| 2000-06-29 | WNRM640 | LIREN |
| 2000-06-19 | WNRM640 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1264836 | 2026-08-02 01:08:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNRM640 | ULS 1264836 | 2026-08-02 01:08:56 |
| Status | A | ULS 1264836 | 2026-08-02 01:08:56 |
| Service | PW | ULS 1264836 | 2026-08-02 01:08:56 |
| Grant Date | 2025-06-25 | ULS 1264836 | 2026-08-02 01:08:56 |
| Expiration Date | 2035-09-18 | ULS 1264836 | 2026-08-02 01:08:56 |