Universal Licensing System
WDU504
AT&T CORP
License details
| ULS identifier | 973944 |
|---|
| Call sign | WDU504 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1990-01-16 |
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| Expiration | 2000-02-01 |
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| Cancellation | 1998-06-25 |
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| Frequency range | 4190 - 6152.8 MHz (7 frequencies) |
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| Locations | 3 |
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| Representative location | PINON, PUEBLO, CO |
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| Coordinates | 38.4427500, -104.5218889 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:45 |
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Licensee
| Name | AT&T CORP |
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| 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 | 4190.00000000 | | | | | |
| 1 | 2 | FXO | 5974.80000000 | | | | | |
| 1 | 3 | FXO | 5974.80000000 | | | | | |
| 1 | 1 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 2 | FXO | 6034.20000000 | | | | | |
| 1 | 3 | FXO | 6034.20000000 | | | | | |
| 1 | 2 | FXO | 6093.50000000 | | | | | |
| 1 | 3 | FXO | 6093.50000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 4 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6152.80000000 | | | | | |
| 1 | 3 | FXO | 6152.80000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5.3 MILES EAST OF, PINON, PUEBLO, CO | 38.44275000, -104.52188889 | 1597.800 m | | 86.300 m overall | |
| 2 | R | | 38.03388889, -104.48941667 | 1604.200 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 | | | V | | 176.4000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 2 | 1 | T | | | V | | 329.4000 | | |
| 2 | 2 | R | | | | | | | |
| 2 | 3 | R | | | | | | | |
| 3 | 1 | T | | | H | | 176.4000 | | |
| 4 | 1 | T | | | H | | 329.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WDU504 | LICCNV |
| 1998-06-25 | WDU504 | LICAN |
| 1990-01-16 | WDU504 | LIREN |
| 1989-11-29 | WDU504 | LIMOD |
| 1987-08-20 | WDU504 | LIMOD |
| 1985-05-02 | WDU504 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 973944 | 2026-08-02 02:47:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDU504 | ULS 973944 | 2026-08-02 02:47:45 |
| Status | C | ULS 973944 | 2026-08-02 02:47:45 |
| Service | CF | ULS 973944 | 2026-08-02 02:47:45 |
| Grant Date | 1990-01-16 | ULS 973944 | 2026-08-02 02:47:45 |
| Expiration Date | 2000-02-01 | ULS 973944 | 2026-08-02 02:47:45 |
| Cancellation Date | 1998-06-25 | ULS 973944 | 2026-08-02 02:47:45 |