Universal Licensing System
WQDU347
DATATRONICS INC
License details
| ULS identifier | 2760310 |
|---|
| Call sign | WQDU347 |
|---|
| Radio service | YG |
|---|
| Status | E |
|---|
| Grant date | 2015-11-09 |
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| Expiration | 2025-11-01 |
|---|
| Cancellation | 2026-01-03 |
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| Frequency range | 452.1 - 469.275 MHz (10 frequencies) |
|---|
| Locations | 2 |
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| Representative location | SAINT LOUIS, ST. LOUIS, MO |
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| Coordinates | 38.6300000, -90.1905556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:49 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 452.10000000 | | | 100.000000 | 290.000000 | |
| 2 | 1 | MO | 452.10000000 | | | 45.000000 | 40.000000 | |
| 1 | 1 | FB6 | 452.20000000 | | | 100.000000 | 290.000000 | |
| 2 | 1 | MO | 452.20000000 | | | 45.000000 | 40.000000 | |
| 2 | 1 | MO | 457.10000000 | | | 45.000000 | 40.000000 | |
| 2 | 1 | MO | 457.20000000 | | | 45.000000 | 40.000000 | |
| 1 | 1 | FB6 | 464.07500000 | | | 100.000000 | 290.000000 | |
| 2 | 1 | MO | 464.07500000 | | | 45.000000 | 40.000000 | |
| 1 | 1 | FB6 | 464.25000000 | | | 100.000000 | 290.000000 | |
| 2 | 1 | MO | 464.25000000 | | | 45.000000 | 40.000000 | |
| 1 | 1 | FB6 | 464.27500000 | | | 100.000000 | 290.000000 | |
| 2 | 1 | MO | 464.27500000 | | | 45.000000 | 40.000000 | |
| 2 | 1 | MO | 469.07500000 | | | 45.000000 | 40.000000 | |
| 2 | 1 | MO | 469.25000000 | | | 45.000000 | 40.000000 | |
| 2 | 1 | MO | 469.27500000 | | | 45.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.10000000 | | 11K2F3E |
| 2 | 1 | 452.10000000 | | 11K2F3E |
| 1 | 1 | 452.20000000 | | 11K2F3E |
| 2 | 1 | 452.20000000 | | 11K2F3E |
| 2 | 1 | 457.10000000 | | 11K2F3E |
| 2 | 1 | 457.20000000 | | 11K2F3E |
| 1 | 1 | 464.07500000 | | 11K2F3E |
| 2 | 1 | 464.07500000 | | 11K2F3E |
| 1 | 1 | 464.25000000 | | 11K2F3E |
| 2 | 1 | 464.25000000 | | 11K2F3E |
| 1 | 1 | 464.27500000 | | 11K2F3E |
| 2 | 1 | 464.27500000 | | 11K2F3E |
| 2 | 1 | 469.07500000 | | 11K2F3E |
| 2 | 1 | 469.25000000 | | 11K2F3E |
| 2 | 1 | 469.27500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ONE US BANK PLAZA, SAINT LOUIS, ST. LOUIS, MO | 38.63000000, -90.19055556 | 141.000 m | BANT | 147.000 m structure / 147.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 7.000 m | | | | 9.700 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2624 EAST BROADWAY, ALTON, IL | MADISON | 6184631440 |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-03 | WQDU347 | LIEXP |
| 2025-08-11 | WQDU347 | LETRES |
| 2015-11-09 | WQDU347 | LIREN |
| 2015-08-10 | WQDU347 | LETRES |
| 2015-02-24 | WQDU347 | LIAUA |
| 2015-02-21 | WQDU347 | ESUAPR |
| 2014-07-22 | WQDU347 | LIMOD |
| 2014-06-02 | WQDU347 | ESUAPR |
| 2006-07-31 | WQDU347 | LETCNS |
| 2005-11-01 | WQDU347 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2760310 | 2026-08-02 01:17:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDU347 | ULS 2760310 | 2026-08-02 01:17:49 |
| Status | E | ULS 2760310 | 2026-08-02 01:17:49 |
| Service | YG | ULS 2760310 | 2026-08-02 01:17:49 |
| Grant Date | 2015-11-09 | ULS 2760310 | 2026-08-02 01:17:49 |
| Expiration Date | 2025-11-01 | ULS 2760310 | 2026-08-02 01:17:49 |
| Cancellation Date | 2026-01-03 | ULS 2760310 | 2026-08-02 01:17:49 |