Universal Licensing System
KRF31
IOWA, STATE OF, DOT
License details
| ULS identifier | 1199104 |
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| Call sign | KRF31 |
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| Radio service | PW |
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| Status | C |
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| Grant date | 2004-01-21 |
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| Expiration | 2014-04-06 |
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| Cancellation | 2014-01-07 |
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| Frequency range | 156.06 MHz |
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| Locations | 1 |
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| Representative location | ESTHERVILLE, EMMET, IA |
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| Coordinates | 43.4002500, -94.8235833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX1 | 156.06000000 | | | 350.000000 | 350.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.06000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1504 3RD AVE S, ESTHERVILLE, EMMET, IA | 43.40025000, -94.82358333 | 399.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1504 3RD AVE S, ESTHERVILLE, IA | | 5152391094 |
License history
| Date | File or call sign | Action |
|---|
| 2014-01-08 | KRF31 | LICAN |
| 2014-01-07 | KRF31 | ESUAPR |
| 2014-01-06 | KRF31 | ESURNW |
| 2012-07-25 | KRF31 | LIMOD |
| 2004-01-21 | KRF31 | LIREN |
| 2004-01-12 | KRF31 | LETRES |
| 2002-01-15 | KRF31 | AUDOPR |
| 2000-10-20 | KRF31 | LICCNV |
| 1999-01-19 | KRF31 | LIREN |
| 1999-01-19 | KRF31 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1199104 | 2026-08-02 01:11:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KRF31 | ULS 1199104 | 2026-08-02 01:11:27 |
| Status | C | ULS 1199104 | 2026-08-02 01:11:27 |
| Service | PW | ULS 1199104 | 2026-08-02 01:11:27 |
| Grant Date | 2004-01-21 | ULS 1199104 | 2026-08-02 01:11:27 |
| Expiration Date | 2014-04-06 | ULS 1199104 | 2026-08-02 01:11:27 |
| Cancellation Date | 2014-01-07 | ULS 1199104 | 2026-08-02 01:11:27 |