Universal Licensing System
WJK78
AT&T CORP
License details
| ULS identifier | 986993 |
|---|
| Call sign | WJK78 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1997-12-16 |
|---|
| Expiration | 2000-02-01 |
|---|
| Cancellation | 1999-12-21 |
|---|
| Frequency range | 4170 MHz |
|---|
| Locations | 3 |
|---|
| Representative location | WEST STEPHENTOWN, RENSSELAER, NY |
|---|
| Coordinates | 42.6056111, -73.4595556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:43 |
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Licensee
| Name | AT&T CORP |
|---|
| Applicant type | C |
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| Location | ATLANTA, GA |
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| Address | 1200 PEACHTREE ST LOCN 15W24, ATLANTA, GA, 30309 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 3750.00000000 | | | | | |
| 1 | 2 | FXO | 3750.00000000 | | | | | |
| 1 | 3 | FXO | 3850.00000000 | | | | | |
| 1 | 4 | FXO | 3850.00000000 | | | | | |
| 1 | 3 | FXO | 3930.00000000 | | | | | |
| 1 | 4 | FXO | 3930.00000000 | | | | | |
| 1 | 1 | FXO | 3990.00000000 | | | | | |
| 1 | 2 | FXO | 3990.00000000 | | | | | |
| 1 | 3 | FXO | 4010.00000000 | | | | | |
| 1 | 4 | FXO | 4010.00000000 | | | | | |
| 1 | 1 | FXO | 4070.00000000 | | | | | |
| 1 | 2 | FXO | 4070.00000000 | | | | | |
| 1 | 3 | FXO | 4090.00000000 | | | | | |
| 1 | 4 | FXO | 4090.00000000 | | | | | |
| 1 | 1 | FXO | 4150.00000000 | | | | | |
| 1 | 2 | FXO | 4150.00000000 | | | | | |
| 1 | 3 | FXO | 4170.00000000 | | | | | |
| 1 | 4 | FXO | 4170.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 3750.00000000 | | 20M0D7W |
| 1 | 2 | 3750.00000000 | | 20M0D7W |
| 1 | 3 | 3850.00000000 | | 20M0A7W |
| 1 | 4 | 3850.00000000 | | 20M0A7W |
| 1 | 3 | 3930.00000000 | | 20M0A7W |
| 1 | 4 | 3930.00000000 | | 20M0A7W |
| 1 | 1 | 3990.00000000 | | 20M0D7W |
| 1 | 2 | 3990.00000000 | | 20M0D7W |
| 1 | 3 | 4010.00000000 | | 20M0A7W |
| 1 | 4 | 4010.00000000 | | 20M0A7W |
| 1 | 1 | 4070.00000000 | | 20M0D7W |
| 1 | 2 | 4070.00000000 | | 20M0D7W |
| 1 | 3 | 4090.00000000 | | 20M0A7W |
| 1 | 4 | 4090.00000000 | | 20M0A7W |
| 1 | 1 | 4150.00000000 | | 20M0A7W |
| 1 | 2 | 4150.00000000 | | 20M0A7W |
| 1 | 3 | 4170.00000000 | | 20M0A7W |
| 1 | 4 | 4170.00000000 | | 20M0A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | FIRE TOWER RD, WEST STEPHENTOWN, RENSSELAER, NY | 42.60561111, -73.45955556 | 545.600 m | | 101.500 m overall | |
| 2 | R | | 42.30702778, -73.49261111 | 524.000 m | | | |
| 3 | R | | 42.65088889, -73.75733333 | 39.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 39.5000 | 184.6000 | | |
| 1 | 2 | R | | | | 39.5000 | | | |
| 1 | 3 | R | | | | 39.5000 | | | |
| 2 | 1 | T | | | V | 39.5000 | 281.8000 | | |
| 2 | 2 | R | | | | 39.5000 | | | |
| 2 | 3 | R | | | | 39.5000 | | | |
| 3 | 1 | T | | | V | 39.5000 | 184.6000 | | |
| 4 | 1 | T | | | H | 39.5000 | 281.8000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-12-22 | WJK78 | LICAN |
| 1999-11-06 | WJK78 | LETRES |
| 1999-08-13 | WJK78 | LICCNV |
| 1997-12-16 | WJK78 | LIMOD |
| 1990-07-10 | WJK78 | LIMOD |
| 1990-01-31 | WJK78 | LIMOD |
| 1990-01-16 | WJK78 | LIREN |
| 1987-05-28 | WJK78 | LIMOD |
| 1986-11-25 | WJK78 | LIMOD |
| 1986-01-31 | WJK78 | LIMOD |
| 1985-09-30 | WJK78 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 986993 | 2026-08-02 02:47:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WJK78 | ULS 986993 | 2026-08-02 02:47:43 |
| Status | C | ULS 986993 | 2026-08-02 02:47:43 |
| Service | CF | ULS 986993 | 2026-08-02 02:47:43 |
| Grant Date | 1997-12-16 | ULS 986993 | 2026-08-02 02:47:43 |
| Expiration Date | 2000-02-01 | ULS 986993 | 2026-08-02 02:47:43 |
| Cancellation Date | 1999-12-21 | ULS 986993 | 2026-08-02 02:47:43 |