Universal Licensing System
KNNU405
T C CONSTRUCTION INC
License details
| ULS identifier | 1635411 |
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| Call sign | KNNU405 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-05-07 |
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| Expiration | 2001-05-07 |
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| Cancellation | 2001-07-08 |
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| Frequency range | 461.925 - 466.925 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | BURLINGTON, DES MOINES, IA |
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| Coordinates | 40.9369722, -91.1234722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:59 |
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Licensee
| Name | T C CONSTRUCTION INC |
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| Applicant type | C |
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| Location | SPERRY, IA |
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| Address | 17646 IRISH RIDGE RD, SPERRY, IA, 52650 |
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| Phone | 3199852322 |
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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 | FB2C | 461.92500000 | | | 40.000000 | 160.000000 | |
| 3 | 1 | MO | 461.92500000 | | | 40.000000 | | |
| 2 | 1 | FX1 | 466.92500000 | | | 25.000000 | | |
| 3 | 1 | MO | 466.92500000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.92500000 | | 20K0F3E |
| 3 | 1 | 461.92500000 | | 20K0F3E |
| 2 | 1 | 466.92500000 | | 20K0F3E |
| 3 | 1 | 466.92500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | N ON IRISH RIDGE RD, BURLINGTON, DES MOINES, IA | 40.93697222, -91.12347222 | 220.000 m | TOWER | 46.000 m structure / 52.000 m overall | N |
| 2 | T | IA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 52.000 m | | | | 70.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 17646 IRISH RIDGE RD, SPERRY, IA | | 3199852322 |
License history
| Date | File or call sign | Action |
|---|
| 2001-11-07 | KNNU405 | LETAUS |
| 2001-07-08 | KNNU405 | LIEXP |
| 2001-02-13 | KNNU405 | LETRES |
| 2000-11-23 | KNNU405 | LICCNV |
| 1996-05-07 | KNNU405 | LIISS |
| 1996-05-07 | KNNU405 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1635411 | 2026-08-02 01:27:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNU405 | ULS 1635411 | 2026-08-02 01:27:59 |
| Status | E | ULS 1635411 | 2026-08-02 01:27:59 |
| Service | IG | ULS 1635411 | 2026-08-02 01:27:59 |
| Grant Date | 1996-05-07 | ULS 1635411 | 2026-08-02 01:27:59 |
| Expiration Date | 2001-05-07 | ULS 1635411 | 2026-08-02 01:27:59 |
| Cancellation Date | 2001-07-08 | ULS 1635411 | 2026-08-02 01:27:59 |