Universal Licensing System
WHO677
CONTEL FEDERAL SYSTEMS INC
License details
| ULS identifier | 983600 |
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| Call sign | WHO677 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 1996-03-25 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2001-05-06 |
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| Frequency range | 18710 MHz |
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| Locations | 2 |
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| Representative location | MONROE, AMHERST, VA |
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| Coordinates | 37.0018056, -76.3046389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:48 |
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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 | 18710.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 18710.00000000 | | 20M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | BLDG 234, MONROE, AMHERST, VA | 37.00180556, -76.30463889 | 7.600 m | | 35.400 m overall | |
| 2 | R | | 36.92347222, -76.30547222 | 3.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | | 180.5000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-06 | WHO677 | LIEXP |
| 2000-11-13 | WHO677 | LETRES |
| 1999-08-13 | WHO677 | LICCNV |
| 1999-08-04 | WHO677 | COR |
| 1999-05-13 | WHO677 | COR |
| 1997-06-17 | WHO677 | COR |
| 1996-03-25 | WHO677 | LIASS |
| 1993-02-08 | WHO677 | LIASS |
| 1991-03-28 | WHO677 | LIREN |
| 1985-03-28 | WHO677 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 983600 | 2026-08-02 02:47:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WHO677 | ULS 983600 | 2026-08-02 02:47:48 |
| Status | E | ULS 983600 | 2026-08-02 02:47:48 |
| Service | CF | ULS 983600 | 2026-08-02 02:47:48 |
| Grant Date | 1996-03-25 | ULS 983600 | 2026-08-02 02:47:48 |
| Expiration Date | 2001-02-01 | ULS 983600 | 2026-08-02 02:47:48 |
| Cancellation Date | 2001-05-06 | ULS 983600 | 2026-08-02 02:47:48 |