Universal Licensing System
WRDU278
Simply Bits, LLC
License details
| ULS identifier | 4181505 |
|---|
| Call sign | WRDU278 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2019-07-20 |
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| Expiration | 2029-07-20 |
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| Frequency range | 19620 MHz |
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| Locations | 2 |
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| Representative location | Tucson, PIMA, AZ |
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| Coordinates | 32.1767500, -110.8745000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 19620.00000000 | | | | | |
| 1 | 1 | FXO | 19620.00000000 | | | | | |
| 1 | 1 | FXO | 19620.00000000 | | | | | |
| 1 | 1 | FXO | 19620.00000000 | | | | | |
| 1 | 1 | FXO | 19620.00000000 | | | | | |
| 1 | 1 | FXO | 19620.00000000 | | | | | |
| 1 | 1 | FXO | 19620.00000000 | | | | | |
| 1 | 1 | FXO | 19620.00000000 | | | | | |
| 1 | 1 | FXO | 19620.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19620.00000000 | | 80M0D7W |
| 1 | 1 | 19620.00000000 | | 80M0D7W |
| 1 | 1 | 19620.00000000 | | 80M0D7W |
| 1 | 1 | 19620.00000000 | | 80M0D7W |
| 1 | 1 | 19620.00000000 | | 80M0D7W |
| 1 | 1 | 19620.00000000 | | 80M0D7W |
| 1 | 1 | 19620.00000000 | | 80M0D7W |
| 1 | 1 | 19620.00000000 | | 80M0D7W |
| 1 | 1 | 19620.00000000 | | 80M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Nuggat St and Craycroft Rd, Tucson, PIMA, AZ | 32.17675000, -110.87450000 | 730.000 m | BANT | 7.000 m structure / 10.500 m overall | |
| 2 | R | | 32.22230556, -110.88258333 | 777.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES, INC HPD2-18 | | S | 38.4000 | 351.4000 | | |
| 1 | 2 | R | RADIO WAVES, INC HPD2-18 | | | 38.4000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-06-08 | WRDU278 | LITRAN |
| 2023-04-11 | WRDU278 | LIASS |
| 2022-08-08 | WRDU278 | LITRAN |
| 2021-11-08 | WRDU278 | LITRAN |
| 2020-12-24 | WRDU278 | LIAUA |
| 2019-07-20 | WRDU278 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4181505 | 2026-08-02 02:44:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDU278 | ULS 4181505 | 2026-08-02 02:44:33 |
| Status | A | ULS 4181505 | 2026-08-02 02:44:33 |
| Service | MG | ULS 4181505 | 2026-08-02 02:44:33 |
| Grant Date | 2019-07-20 | ULS 4181505 | 2026-08-02 02:44:33 |
| Expiration Date | 2029-07-20 | ULS 4181505 | 2026-08-02 02:44:33 |