Universal Licensing System
WRDU643
PIMA COUNTY ARIZONA
License details
| ULS identifier | 4182426 |
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| Call sign | WRDU643 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2019-07-23 |
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| Expiration | 2029-07-23 |
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| Frequency range | 11215 MHz |
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| Locations | 2 |
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| Representative location | Tucson, PIMA, AZ |
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| Coordinates | 32.2346389, -110.9444722 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:51 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 11215.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 11215.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1852 E First St, Tucson, PIMA, AZ | 32.23463889, -110.94447222 | 750.800 m | BANT | 5.200 m structure / 7.600 m overall | |
| 2 | R | | 32.21402778, -111.00572222 | 946.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC3-W100A | | V | 38.3000 | 248.4000 | | |
| 1 | 2 | R | RFS SC3-W100A | | | 38.3000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-08-25 | WRDU643 | LIAUA |
| 2020-10-27 | WRDU643 | LETCNS |
| 2019-07-23 | WRDU643 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4182426 | 2026-08-02 02:44:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDU643 | ULS 4182426 | 2026-08-02 02:44:51 |
| Status | A | ULS 4182426 | 2026-08-02 02:44:51 |
| Service | MW | ULS 4182426 | 2026-08-02 02:44:51 |
| Grant Date | 2019-07-23 | ULS 4182426 | 2026-08-02 02:44:51 |
| Expiration Date | 2029-07-23 | ULS 4182426 | 2026-08-02 02:44:51 |