Universal Licensing System
KRN538
ROBINSON ENGINEERING COMPANY
License details
| ULS identifier | 1637688 |
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| Call sign | KRN538 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-02-22 |
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| Expiration | 2004-02-09 |
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| Cancellation | 2004-04-11 |
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| Frequency range | 151.775 MHz |
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| Locations | 2 |
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| Representative location | WATERLOO, BLACK HAWK, IA |
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| Coordinates | 42.4988889, -92.3393611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:16 |
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Licensee
| Name | ROBINSON ENGINEERING COMPANY |
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| Applicant type | C |
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| FRN | 0002588838 |
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| Location | WATERLOO, IA |
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| Address | 501 SYCAMORE SUITE 709, WATERLOO, IA, 50703 |
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| Phone | 3192338551 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 151.77500000 | | | 90.000000 | 180.000000 | |
| 2 | 1 | MO | 151.77500000 | | | 40.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.77500000 | | 20K0F3E |
| 2 | 1 | 151.77500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 501 SYCAMORE, WATERLOO, BLACK HAWK, IA | 42.49888889, -92.33936111 | 278.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 52.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 501 SYCAMORE, WATERLOO, IA | | 3192338551 |
License history
| Date | File or call sign | Action |
|---|
| 2004-04-11 | KRN538 | LIEXP |
| 2003-11-17 | KRN538 | LETRES |
| 2002-04-22 | KRN538 | LETAUS |
| 2000-11-23 | KRN538 | LICCNV |
| 1999-02-22 | KRN538 | AUTHPR |
| 1999-02-22 | KRN538 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1637688 | 2026-08-02 01:09:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KRN538 | ULS 1637688 | 2026-08-02 01:09:16 |
| Status | E | ULS 1637688 | 2026-08-02 01:09:16 |
| Service | IG | ULS 1637688 | 2026-08-02 01:09:16 |
| Grant Date | 1999-02-22 | ULS 1637688 | 2026-08-02 01:09:16 |
| Expiration Date | 2004-02-09 | ULS 1637688 | 2026-08-02 01:09:16 |
| Cancellation Date | 2004-04-11 | ULS 1637688 | 2026-08-02 01:09:16 |