Universal Licensing System
KJM20
AT&T CORP
License details
| ULS identifier | 960507 |
|---|
| Call sign | KJM20 |
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| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1985-10-07 |
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| Expiration | 1998-01-27 |
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| Cancellation | 1998-01-27 |
|---|
| Frequency range | 3730 - 4130 MHz (6 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | LAKE HAMILTON, POLK, FL |
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| Coordinates | 28.0483333, -81.6139444 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:51 |
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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 15W24, ATLANTA, GA, 30309 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 3710.00000000 | | | | | |
| 1 | 2 | FXO | 3710.00000000 | | | | | |
| 1 | 3 | FXO | 3730.00000000 | | | | | |
| 1 | 4 | FXO | 3730.00000000 | | | | | |
| 1 | 1 | FXO | 3790.00000000 | | | | | |
| 1 | 2 | FXO | 3790.00000000 | | | | | |
| 1 | 3 | FXO | 3810.00000000 | | | | | |
| 1 | 4 | FXO | 3810.00000000 | | | | | |
| 1 | 1 | FXO | 3870.00000000 | | | | | |
| 1 | 2 | FXO | 3870.00000000 | | | | | |
| 1 | 3 | FXO | 3890.00000000 | | | | | |
| 1 | 4 | FXO | 3890.00000000 | | | | | |
| 1 | 1 | FXO | 3950.00000000 | | | | | |
| 1 | 2 | FXO | 3950.00000000 | | | | | |
| 1 | 3 | FXO | 3970.00000000 | | | | | |
| 1 | 4 | FXO | 3970.00000000 | | | | | |
| 1 | 1 | FXO | 4030.00000000 | | | | | |
| 1 | 3 | FXO | 4050.00000000 | | | | | |
| 1 | 4 | FXO | 4050.00000000 | | | | | |
| 1 | 1 | FXO | 4110.00000000 | | | | | |
| 1 | 2 | FXO | 4110.00000000 | | | | | |
| 1 | 3 | FXO | 4130.00000000 | | | | | |
| 1 | 4 | FXO | 4130.00000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | EAST EDGE OF, LAKE HAMILTON, POLK, FL | 28.04833333, -81.61394444 | 66.100 m | | 39.900 m overall | |
| 2 | R | | 27.73280556, -81.59450000 | 47.900 m | | | |
| 3 | R | | | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | | 176.9000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 2 | 1 | T | | | H | | 321.5000 | | |
| 2 | 2 | R | | | | | | | |
| 2 | 3 | R | | | | | | | |
| 3 | 1 | T | | | V | | 176.9000 | | |
| 4 | 1 | T | | | V | | 321.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | KJM20 | LICCNV |
| 1998-01-27 | KJM20 | LICAN |
| 1985-10-07 | KJM20 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 960507 | 2026-08-02 02:47:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KJM20 | ULS 960507 | 2026-08-02 02:47:51 |
| Status | C | ULS 960507 | 2026-08-02 02:47:51 |
| Service | CF | ULS 960507 | 2026-08-02 02:47:51 |
| Grant Date | 1985-10-07 | ULS 960507 | 2026-08-02 02:47:51 |
| Expiration Date | 1998-01-27 | ULS 960507 | 2026-08-02 02:47:51 |
| Cancellation Date | 1998-01-27 | ULS 960507 | 2026-08-02 02:47:51 |