Universal Licensing System
WNJS477
SSI SERVICES INC
License details
| ULS identifier | 1778637 |
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| Call sign | WNJS477 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-08-16 |
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| Expiration | 2012-08-20 |
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| Cancellation | 2012-10-20 |
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| Frequency range | 464.525 - 469.975 MHz (6 frequencies) |
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| Locations | 3 |
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| Representative location | MCLEAN, FAIRFAX, VA |
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| Coordinates | 38.9526111, -77.1441389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:56 |
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Licensee
| Name | SSI SERVICES INC |
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| Applicant type | C |
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| FRN | 0004245304 |
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| Location | WASHINGTON, DC |
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| Address | OHB GK 16 MAIL STOP 1B 27, ISC, WASHINGTON, DC, 20505 |
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| Phone | 7034820795 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 464.52500000 | | | 100.000000 | 360.000000 | |
| 3 | 1 | MO | 464.52500000 | | | 4.000000 | | |
| 1 | 2 | FB2 | 464.90000000 | | | 110.000000 | 275.000000 | |
| 3 | 1 | MO | 464.90000000 | | | 4.000000 | | |
| 1 | 2 | FB2 | 464.97500000 | | | 110.000000 | 275.000000 | |
| 3 | 1 | MO | 464.97500000 | | | 4.000000 | | |
| 2 | 1 | FX1 | 469.52500000 | | | 25.000000 | | |
| 3 | 1 | MO | 469.52500000 | | | 4.000000 | | |
| 2 | 1 | FX1 | 469.90000000 | | | 25.000000 | | |
| 3 | 1 | MO | 469.90000000 | | | 4.000000 | | |
| 2 | 1 | FX1 | 469.97500000 | | | 40.000000 | | |
| 3 | 1 | MO | 469.97500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.52500000 | | 20K0F3E |
| 3 | 1 | 464.52500000 | | 20K0F3E |
| 1 | 2 | 464.90000000 | | 20K0F3E |
| 3 | 1 | 464.90000000 | | 20K0F3E |
| 1 | 2 | 464.97500000 | | 20K0F3E |
| 3 | 1 | 464.97500000 | | 20K0F3E |
| 2 | 1 | 469.52500000 | | 20K0F3E |
| 3 | 1 | 469.52500000 | | 20K0F3E |
| 2 | 1 | 469.90000000 | | 20K0F3E |
| 3 | 1 | 469.90000000 | | 20K0F3E |
| 2 | 1 | 469.97500000 | | 20K0F3E |
| 3 | 1 | 469.97500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3000 NE INT RTS 123 & 193, MCLEAN, FAIRFAX, VA | 38.95261111, -77.14413889 | 76.000 m | B | 24.000 m structure / 30.000 m overall | N |
| 2 | T | VA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 29.000 m | | | | 0.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 2 | 1 | T | | 30.000 m | | | | 27.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | C I A HEADQUARTERS BLDG, MCLEAN, VA | | 7034820795 |
License history
| Date | File or call sign | Action |
|---|
| 2012-10-20 | WNJS477 | LIEXP |
| 2012-05-28 | WNJS477 | LETRES |
| 2002-08-16 | WNJS477 | LIREN |
| 2002-05-28 | WNJS477 | LETRES |
| 2002-04-19 | WNJS477 | AUDOPR |
| 2000-11-23 | WNJS477 | LICCNV |
| 2000-03-06 | WNJS477 | LIMOD |
| 2000-03-06 | WNJS477 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1778637 | 2026-08-02 01:09:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNJS477 | ULS 1778637 | 2026-08-02 01:09:56 |
| Status | E | ULS 1778637 | 2026-08-02 01:09:56 |
| Service | IG | ULS 1778637 | 2026-08-02 01:09:56 |
| Grant Date | 2002-08-16 | ULS 1778637 | 2026-08-02 01:09:56 |
| Expiration Date | 2012-08-20 | ULS 1778637 | 2026-08-02 01:09:56 |
| Cancellation Date | 2012-10-20 | ULS 1778637 | 2026-08-02 01:09:56 |