Universal Licensing System
WPDI421
CURATORS OF THE UNIVERSITY OF MISSOURI
License details
| ULS identifier | 1712168 |
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| Call sign | WPDI421 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2003-09-27 |
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| Expiration | 2013-09-30 |
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| Cancellation | 2013-07-26 |
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| Frequency range | 464.975 MHz |
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| Locations | 2 |
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| Representative location | COLUMBIA, BOONE, MO |
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| Coordinates | 38.9425278, -92.3251944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:30 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 464.97500000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | MO | 464.97500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.97500000 | | 20K0F3E |
| 2 | 1 | 464.97500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | RM A022 BRADY COMMONS, COLUMBIA, BOONE, MO | 38.94252778, -92.32519444 | 232.000 m | | 9.000 m structure / 9.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | UNIVERSITY OF MISSOURI-COLUMBIA, STUDENT ACTIVITIES, BRADY COMMONS, RM A022, COLUMBIA, MO | | 5738823780 |
License history
| Date | File or call sign | Action |
|---|
| 2013-07-27 | WPDI421 | LICAN |
| 2013-07-27 | WPDI421 | ESCAPR |
| 2013-07-26 | WPDI421 | EFUAPR |
| 2013-07-26 | WPDI421 | ESUAPR |
| 2013-07-08 | WPDI421 | LETRES |
| 2013-07-02 | WPDI421 | ESURNW |
| 2003-09-27 | WPDI421 | LIREN |
| 2003-09-26 | WPDI421 | LIAUA |
| 2003-07-07 | WPDI421 | LETRES |
| 2002-03-12 | WPDI421 | AUDOPR |
| 2000-11-23 | WPDI421 | LICCNV |
| 1998-09-08 | WPDI421 | LIREN |
| 1998-09-08 | WPDI421 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1712168 | 2026-08-02 01:13:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPDI421 | ULS 1712168 | 2026-08-02 01:13:30 |
| Status | C | ULS 1712168 | 2026-08-02 01:13:30 |
| Service | IG | ULS 1712168 | 2026-08-02 01:13:30 |
| Grant Date | 2003-09-27 | ULS 1712168 | 2026-08-02 01:13:30 |
| Expiration Date | 2013-09-30 | ULS 1712168 | 2026-08-02 01:13:30 |
| Cancellation Date | 2013-07-26 | ULS 1712168 | 2026-08-02 01:13:30 |