Universal Licensing System
KNNK980
MCI Communications Inc.
License details
| ULS identifier | 1877727 |
|---|
| Call sign | KNNK980 |
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| Radio service | IG |
|---|
| Status | C |
|---|
| Grant date | 2011-01-19 |
|---|
| Expiration | 2021-02-21 |
|---|
| Cancellation | 2012-05-11 |
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| Frequency range | 451.3 - 456.55 MHz (4 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | MOUNT AIRY, CARROLL, MD |
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| Coordinates | 39.3640000, -77.1580278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FB2C | 451.30000000 | | | 85.000000 | 417.000000 | |
| 3 | 1 | MO | 451.30000000 | | | 40.000000 | | |
| 1 | 1 | FX2 | 451.55000000 | | | 4.000000 | 19.000000 | |
| 3 | 1 | MO | 456.30000000 | | | 40.000000 | | |
| 2 | 1 | FX1 | 456.55000000 | | | 4.000000 | 21.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 451.30000000 | | 20K0F3E |
| 3 | 1 | 451.30000000 | | 20K0F3E |
| 1 | 1 | 451.55000000 | | 20K0F3E |
| 3 | 1 | 456.30000000 | | 20K0F3E |
| 2 | 1 | 456.55000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4 RIDGE BLVD, MOUNT AIRY, CARROLL, MD | 39.36400000, -77.15802778 | 247.000 m | TOWER | 46.000 m structure / 46.000 m overall | N |
| 2 | T | 0.4 MI SW, MOUNTVILLE, FREDERICK, MD | 39.34455556, -77.51944444 | 251.000 m | TOWER | 57.000 m structure / 57.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 43.000 m | | | | 109.000 | |
| 1 | 2 | T | | 28.000 m | | | | 142.000 | |
| 1 | 3 | T | | | | | | | |
| 2 | 1 | T | | 46.000 m | | | | 109.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7000 WESTON PKY, CARY, NC | | 8006785758 |
License history
| Date | File or call sign | Action |
|---|
| 2012-05-12 | KNNK980 | LICAN |
| 2012-05-11 | KNNK980 | ESUAPR |
| 2011-03-24 | KNNK980 | AUTHPR |
| 2011-01-19 | KNNK980 | LIREN |
| 2011-01-06 | KNNK980 | ESUAPR |
| 2010-11-29 | KNNK980 | LETRES |
| 2006-01-06 | KNNK980 | LITRAN |
| 2005-12-31 | KNNK980 | LIASS |
| 2005-06-08 | KNNK980 | LIAUA |
| 2005-06-07 | KNNK980 | ESUAPR |
| 2005-05-02 | KNNK980 | ESCAPR |
| 2005-03-11 | KNNK980 | ESUAPR |
| 2004-04-20 | KNNK980 | LIASS |
| 2003-02-12 | KNNK980 | LIAUA |
| 2003-01-15 | KNNK980 | LIAUA |
| 2003-01-14 | KNNK980 | LIAUA |
| 2002-07-21 | KNNK980 | LIASS |
| 2002-02-26 | KNNK980 | AUDOPR |
| 2001-03-07 | KNNK980 | LIAUA |
| 2001-02-15 | KNNK980 | LIREN |
| 2000-11-28 | KNNK980 | LETRES |
| 2000-11-24 | KNNK980 | LICCNV |
| 2000-01-06 | KNNK980 | AUTHPR |
| 1998-09-14 | KNNK980 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1877727 | 2026-08-02 01:13:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNK980 | ULS 1877727 | 2026-08-02 01:13:20 |
| Status | C | ULS 1877727 | 2026-08-02 01:13:20 |
| Service | IG | ULS 1877727 | 2026-08-02 01:13:20 |
| Grant Date | 2011-01-19 | ULS 1877727 | 2026-08-02 01:13:20 |
| Expiration Date | 2021-02-21 | ULS 1877727 | 2026-08-02 01:13:20 |
| Cancellation Date | 2012-05-11 | ULS 1877727 | 2026-08-02 01:13:20 |