Universal Licensing System
WNVV721
American Messaging Services, LLC
License details
| ULS identifier | 1682100 |
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| Call sign | WNVV721 |
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| Radio service | IK |
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| Status | C |
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| Grant date | 1998-10-14 |
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| Expiration | 2008-10-14 |
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| Cancellation | 2008-10-06 |
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| Frequency range | 152.48 MHz |
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| Locations | 1 |
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| Representative location | SILVER SPRINGS, MONTGOMERY, MD |
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| Coordinates | 38.9998333, -77.0571944 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-09 01:02:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6C | 152.48000000 | | | 350.000000 | 1000.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 152.48000000 | | 20K0F1D |
| 1 | 1 | 152.48000000 | | 20K0F2D |
| 1 | 1 | 152.48000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 8744 BROOKVILLE RD, SILVER SPRINGS, MONTGOMERY, MD | 38.99983333, -77.05719444 | 90.000 m | | 230.000 m structure | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 75.000 m | | | | 0.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 40 WOODLAND ST, HARTFORD, CT | | 2144585200 |
License history
| Date | File or call sign | Action |
|---|
| 2008-10-07 | WNVV721 | LICAN |
| 2008-07-21 | WNVV721 | LETRES |
| 2007-06-27 | WNVV721 | ESUAPR |
| 2007-06-27 | WNVV721 | LIAUA |
| 2007-04-28 | WNVV721 | LIAUA |
| 2007-04-27 | WNVV721 | ESUAPR |
| 2007-02-17 | WNVV721 | LITRAN |
| 2006-08-01 | WNVV721 | LIAUA |
| 2006-07-31 | WNVV721 | ESUAPR |
| 2006-06-22 | WNVV721 | LIAUA |
| 2006-06-22 | WNVV721 | ESCAPR |
| 2006-06-21 | WNVV721 | EFUAPR |
| 2006-06-21 | WNVV721 | ESUAPR |
| 2006-06-02 | WNVV721 | LITRAN |
| 2005-11-26 | WNVV721 | LTSFNR |
| 2005-11-24 | WNVV721 | EFCFNR |
| 2005-11-24 | WNVV721 | ESCFNR |
| 2005-11-23 | WNVV721 | EFUFNR |
| 2005-11-23 | WNVV721 | ESUFNR |
| 2003-05-31 | WNVV721 | LIAUA |
| 2000-11-23 | WNVV721 | LICCNV |
| 2000-07-24 | WNVV721 | LIMOD |
| 2000-07-24 | WNVV721 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1682100 | 2026-08-09 01:02:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNVV721 | ULS 1682100 | 2026-08-09 01:02:19 |
| Status | C | ULS 1682100 | 2026-08-09 01:02:19 |
| Service | IK | ULS 1682100 | 2026-08-09 01:02:19 |
| Grant Date | 1998-10-14 | ULS 1682100 | 2026-08-09 01:02:19 |
| Expiration Date | 2008-10-14 | ULS 1682100 | 2026-08-09 01:02:19 |
| Cancellation Date | 2008-10-06 | ULS 1682100 | 2026-08-09 01:02:19 |