Universal Licensing System
KNL50
CONTEL FEDERAL SYSTEMS INC
License details
| ULS identifier | 962446 |
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| Call sign | KNL50 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1993-02-08 |
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| Expiration | 2001-02-01 |
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| Cancellation | 1996-09-03 |
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| Frequency range | 3750 - 3990 MHz (2 frequencies) |
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| Locations | 1 |
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| Coordinates | 35.3041389, -116.8078056 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:42 |
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Licensee
| Name | CONTEL FEDERAL SYSTEMS INC |
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| Applicant type | C |
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| Location | CHANTILLY, VA |
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| Address | 15000 CONFERENCE CENTER DR, CHANTILLY, VA, 22021 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 3750.00000000 | | | | | |
| 1 | 1 | FXO | 3990.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 3750.00000000 | | 6M10F8W |
| 1 | 1 | 3990.00000000 | | 6M10F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7.2 MI NW OF, CAMP IRWIN, SAN BERNARDINO, CA | 35.30080556, -116.80669444 | 976.900 m | | 13.700 m overall | |
| 2 | R | | 35.30413889, -116.80780556 | 1070.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | H | 37.5000 | 344.7000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | KNL50 | LICCNV |
| 1996-09-03 | KNL50 | LICAN |
| 1993-02-08 | KNL50 | LIASS |
| 1991-03-28 | KNL50 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 962446 | 2026-08-02 02:47:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNL50 | ULS 962446 | 2026-08-02 02:47:42 |
| Status | C | ULS 962446 | 2026-08-02 02:47:42 |
| Service | CF | ULS 962446 | 2026-08-02 02:47:42 |
| Grant Date | 1993-02-08 | ULS 962446 | 2026-08-02 02:47:42 |
| Expiration Date | 2001-02-01 | ULS 962446 | 2026-08-02 02:47:42 |
| Cancellation Date | 1996-09-03 | ULS 962446 | 2026-08-02 02:47:42 |