Universal Licensing System
WNPN638
MONTGOMERY, COUNTY OF
License details
| ULS identifier | 1174477 |
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| Call sign | WNPN638 |
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| Radio service | GE |
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| Status | A |
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| Grant date | 2024-03-27 |
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| Expiration | 2034-06-22 |
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| Frequency range | 809.9625 - 858.8125 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | GERMANTOWN, MONTGOMERY, MD |
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| Coordinates | 39.1853889, -77.2483056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:09 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 809.96250000 | | | 10.000000 | 10.000000 | |
| 3 | 1 | MO | 813.81250000 | | | 10.000000 | 10.000000 | |
| 2 | 1 | FB | 854.96250000 | | | 45.000000 | 320.000000 | |
| 1 | 1 | FB | 858.81250000 | | | 100.000000 | 250.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 809.96250000 | | 16K0F1D |
| 3 | 1 | 813.81250000 | | 16K0F1D |
| 2 | 1 | 854.96250000 | | 16K0F1D |
| 1 | 1 | 858.81250000 | | 16K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 20325 OBSERVATION DR, GERMANTOWN, MONTGOMERY, MD | 39.18538889, -77.24830556 | 175.300 m | TOWER | 76.000 m structure / 81.000 m overall | N |
| 2 | T | ONE WHITE FLINT N, ROCKVILLE, MONTGOMERY, MD | 39.04705556, -77.11163889 | 125.000 m | | | N |
| 3 | T | MONTGOMERY, MD | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 64.000 m | V | 10.0000 | 360.0000 | 113.400 | |
| 1 | 2 | T | | 88.000 m | | | | 114.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1300 QUINCE ORCHARD BLVD, GAITHERSBURG, MD | MONTGOMERY | 2407737177 |
| 2 | 16647 CRABBS BRANCH WAY, ROCKVILLE, MD | MONTGOMERY | 2407738000 |
| 3 | 120 MARYALND AVE, ROCKVILLE, MD | MONTGOMERY | 3012798000 |
License history
| Date | File or call sign | Action |
|---|
| 2024-03-27 | WNPN638 | LIREN |
| 2017-03-03 | WNPN638 | LIAUA |
| 2015-02-26 | WNPN638 | LIMOD |
| 2015-02-25 | WNPN638 | ESUAPR |
| 2014-04-10 | WNPN638 | LIREN |
| 2014-03-31 | WNPN638 | LETRES |
| 2014-03-24 | WNPN638 | ESURNW |
| 2013-12-28 | WNPN638 | LIAUA |
| 2013-12-27 | WNPN638 | ESUAPR |
| 2010-06-19 | WNPN638 | LIAUA |
| 2010-06-18 | WNPN638 | ESUAPR |
| 2010-04-06 | WNPN638 | LETCNS |
| 2009-07-09 | WNPN638 | AUTHPR |
| 2009-04-07 | WNPN638 | LETCNS |
| 2008-06-27 | WNPN638 | AUTHPR |
| 2008-04-01 | WNPN638 | LETCNS |
| 2007-07-07 | WNPN638 | LIAUA |
| 2007-07-06 | WNPN638 | ESUAPR |
| 2007-07-03 | WNPN638 | LIMOD |
| 2007-07-02 | WNPN638 | ESUAPR |
| 2003-06-16 | WNPN638 | LIMOD |
| 2000-10-19 | WNPN638 | LICCNV |
| 1999-04-07 | WNPN638 | AUTHPR |
| 1999-04-07 | WNPN638 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1174477 | 2026-08-02 01:10:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNPN638 | ULS 1174477 | 2026-08-02 01:10:09 |
| Status | A | ULS 1174477 | 2026-08-02 01:10:09 |
| Service | GE | ULS 1174477 | 2026-08-02 01:10:09 |
| Grant Date | 2024-03-27 | ULS 1174477 | 2026-08-02 01:10:09 |
| Expiration Date | 2034-06-22 | ULS 1174477 | 2026-08-02 01:10:09 |