Universal Licensing System
WDU397
SOUTHWESTERN BELL TELEPHONE COMPANY
License details
| ULS identifier | 973900 |
|---|
| Call sign | WDU397 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 1990-08-24 |
|---|
| Expiration | 2000-08-01 |
|---|
| Cancellation | 1998-09-15 |
|---|
| Frequency range | 2112 - 6286.2 MHz (6 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | GRAVOIS MILLS, MORGAN, MO |
|---|
| Coordinates | 38.3016944, -92.8154444 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:05 |
|---|
Licensee
| Name | SOUTHWESTERN BELL TELEPHONE COMPANY |
|---|
| Applicant type | C |
|---|
| FRN | 0002552123 |
|---|
| Location | DALLAS, TX |
|---|
| Address | 3 BELL PLZ RM 810.C12, DALLAS, TX, 752025399 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 2112.00000000 | | | | | |
| 1 | 3 | FXO | 2118.40000000 | | | | | |
| 1 | 3 | FXO | 2124.80000000 | | | | | |
| 1 | 2 | FXO | 2128.00000000 | | | | | |
| 1 | 4 | FXO | 2128.00000000 | | | | | |
| 1 | 1 | FXO | 6226.90000000 | | | | | |
| 1 | 1 | FXO | 6286.20000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 2112.00000000 | | 3M50F7W |
| 1 | 3 | 2118.40000000 | | 3M50F7W |
| 1 | 3 | 2124.80000000 | | 3M50F7W |
| 1 | 2 | 2128.00000000 | | 3M50F7W |
| 1 | 4 | 2128.00000000 | | 3M50F7W |
| 1 | 1 | 6226.90000000 | | 30M0A7W |
| 1 | 1 | 6286.20000000 | | 30M0A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | .7 MI SE OF, GRAVOIS MILLS, MORGAN, MO | 38.30169444, -92.81544444 | 261.800 m | | 91.100 m overall | |
| 2 | R | | 38.43250000, -92.84100000 | 311.500 m | | | |
| 3 | R | | 37.98975000, -92.96655556 | 321.600 m | | | |
| 4 | R | | 38.35447222, -92.60627778 | 294.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 41.1000 | 72.2000 | | |
| 1 | 2 | R | | | | 31.7000 | | | |
| 1 | 3 | R | | | | 34.2000 | | | |
| 1 | 4 | R | | | | 41.1000 | | | |
| 2 | 1 | T | | | H | 34.2000 | 201.0000 | | |
| 2 | 2 | R | | | | 31.7000 | | | |
| 3 | 1 | T | | | H | 29.8000 | 351.3000 | | |
| 4 | 1 | T | | | V | 29.8000 | 351.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WDU397 | LICCNV |
| 1998-09-15 | WDU397 | LICAN |
| 1998-03-20 | WDU397 | COR |
| 1997-11-06 | WDU397 | LIREN |
| 1988-09-08 | WDU397 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 973900 | 2026-08-02 02:47:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDU397 | ULS 973900 | 2026-08-02 02:47:05 |
| Status | C | ULS 973900 | 2026-08-02 02:47:05 |
| Service | CF | ULS 973900 | 2026-08-02 02:47:05 |
| Grant Date | 1990-08-24 | ULS 973900 | 2026-08-02 02:47:05 |
| Expiration Date | 2000-08-01 | ULS 973900 | 2026-08-02 02:47:05 |
| Cancellation Date | 1998-09-15 | ULS 973900 | 2026-08-02 02:47:05 |