Universal Licensing System
KIO21
WDEF-TV, INC.
License details
| ULS identifier | 959904 |
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| Call sign | KIO21 |
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| Radio service | TS |
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| Status | A |
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| Grant date | 1973-04-11 |
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| Expiration | 2029-08-01 |
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| Frequency range | 6887.5 MHz |
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| Locations | 1 |
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| Representative location | CHATTANOOGA, HAMILTON, TN |
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| Coordinates | 35.0170278, -85.3217778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:30 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6887.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6887.50000000 | | 25M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3300 BROAD ST, CHATTANOOGA, HAMILTON, TN | 35.01702778, -85.32177778 | 201.200 m | BTWR | 9.100 m structure / 11.600 m overall | N |
| 2 | R | | 35.13500000, -85.32361111 | 581.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 2 | R | COMMSCOPE P6-65D | | | 39.9000 | | | |
| 1 | 1 | T | MARK ANTENNA PT-65A96D | | H | 39.5000 | 359.3000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3300 BROAD ST, CHATTANOOGA, TN | | 4237851200 |
License history
| Date | File or call sign | Action |
|---|
| 2021-09-01 | KIO21 | PNACT |
| 2021-08-26 | KIO21 | PLAUPR |
| 2021-08-25 | KIO21 | LIREN |
| 2020-05-06 | KIO21 | PNACT |
| 2020-05-01 | KIO21 | PLAUPR |
| 2020-04-30 | KIO21 | LIMOD |
| 2014-12-12 | KIO21 | LIMOD |
| 2014-12-05 | KIO21 | ESCAPR |
| 2013-08-21 | KIO21 | PNACT |
| 2013-08-20 | KIO21 | AUTHPR |
| 2013-08-17 | KIO21 | LIREN |
| 2006-11-17 | KIO21 | LTSFNR |
| 2006-10-25 | KIO21 | PNACT |
| 2006-10-21 | KIO21 | AUTHPR |
| 2006-10-20 | KIO21 | LIMOD |
| 2006-09-06 | KIO21 | PNACT |
| 2006-09-01 | KIO21 | AUTHPR |
| 2006-08-31 | KIO21 | LIREN |
| 2006-07-12 | KIO21 | PNACT |
| 2006-07-06 | KIO21 | AUTHPR |
| 2006-07-03 | KIO21 | LIMOD |
| 2003-01-29 | KIO21 | PNACT |
| 2003-01-22 | KIO21 | AUTHPR |
| 2003-01-21 | KIO21 | LIMOD |
| 2000-10-07 | KIO21 | AUTHPR |
| 2000-10-06 | KIO21 | COR |
| 2000-02-25 | KIO21 | LIAUA |
| 1999-08-13 | KIO21 | LICCNV |
| 1998-09-24 | KIO21 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 959904 | 2026-08-02 02:44:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KIO21 | ULS 959904 | 2026-08-02 02:44:30 |
| Status | A | ULS 959904 | 2026-08-02 02:44:30 |
| Service | TS | ULS 959904 | 2026-08-02 02:44:30 |
| Grant Date | 1973-04-11 | ULS 959904 | 2026-08-02 02:44:30 |
| Expiration Date | 2029-08-01 | ULS 959904 | 2026-08-02 02:44:30 |