Universal Licensing System
KNIS791
HAYES & SONS LTD
License details
| ULS identifier | 1628447 |
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| Call sign | KNIS791 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-02-08 |
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| Expiration | 2004-04-05 |
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| Cancellation | 2004-06-06 |
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| Frequency range | 463.6 - 468.6 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | DIKE, GRUNDY, IA |
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| Coordinates | 42.4638611, -92.6301944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:06 |
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Licensee
| Name | HAYES & SONS LTD |
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| Applicant type | C |
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| FRN | 0002582252 |
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| Location | PARKERSBURG, IA |
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| Address | RR 1, PARKERSBURG, IA, 50665 |
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| Phone | 3193462583 |
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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 | FB4 | 463.60000000 | | | 90.000000 | 228.000000 | |
| 2 | 1 | MO | 463.60000000 | | | 30.000000 | | |
| 2 | 1 | MO | 468.60000000 | | | 30.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.60000000 | | 20K0F3E |
| 2 | 1 | 463.60000000 | | 20K0F3E |
| 2 | 1 | 468.60000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 107 FRONT ST, DIKE, GRUNDY, IA | 42.46386111, -92.63019444 | 290.000 m | SILO | 55.000 m structure / 58.300 m overall | N |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 58.300 m | | | | 50.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | RR1, PARKERSBURG, IA | | 3193462583 |
License history
| Date | File or call sign | Action |
|---|
| 2004-06-06 | KNIS791 | LIEXP |
| 2004-01-12 | KNIS791 | LETRES |
| 2001-10-01 | KNIS791 | AUDOPR |
| 2001-02-01 | KNIS791 | LIMOD |
| 2000-11-23 | KNIS791 | LICCNV |
| 1999-02-08 | KNIS791 | LIREN |
| 1999-02-08 | KNIS791 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1628447 | 2026-08-02 01:12:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNIS791 | ULS 1628447 | 2026-08-02 01:12:06 |
| Status | E | ULS 1628447 | 2026-08-02 01:12:06 |
| Service | IG | ULS 1628447 | 2026-08-02 01:12:06 |
| Grant Date | 1999-02-08 | ULS 1628447 | 2026-08-02 01:12:06 |
| Expiration Date | 2004-04-05 | ULS 1628447 | 2026-08-02 01:12:06 |
| Cancellation Date | 2004-06-06 | ULS 1628447 | 2026-08-02 01:12:06 |