Universal Licensing System
WIH4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1979274 |
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| Call sign | WIH4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2017-05-04 |
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| Expiration | 2027-05-05 |
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| Frequency range | 131.55 - 136.975 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | GRAND RAPIDS, KENT, MI |
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| Coordinates | 42.8828889, -85.5292222 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:30 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 131.55000000 | | | 25.000000 | | HL |
| 1 | 1 | FA | 136.97500000 | | | 25.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 131.55000000 | | 13K0A2D |
| 1 | 1 | 131.55000000 | | 14K0G1D |
| 1 | 1 | 136.97500000 | | 13K0A2D |
| 1 | 1 | 136.97500000 | | 14K0G1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Gerald R. Ford International Airport, GRAND RAPIDS, KENT, MI | 42.88288889, -85.52922222 | 242.000 m | BANT | 9.000 m structure / 11.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | 360.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2551 RIVA RD, ANNAPOLIS, MD | ANNE ARUNDEL | 4102664034 |
License history
| Date | File or call sign | Action |
|---|
| 2021-07-28 | WIH4 | LIAUA |
| 2017-05-04 | WIH4 | LIREN |
| 2017-02-06 | WIH4 | LETRES |
| 2015-02-06 | WIH4 | LIAUA |
| 2015-02-05 | WIH4 | ESUAPR |
| 2015-02-05 | WIH4 | LIAUA |
| 2015-02-04 | WIH4 | ESUAPR |
| 2013-05-09 | WIH4 | LIMOD |
| 2013-05-03 | WIH4 | ESUAPR |
| 2011-04-12 | WIH4 | LIMOD |
| 2011-04-01 | WIH4 | ESUAPR |
| 2007-05-01 | WIH4 | LIREN |
| 2007-03-01 | WIH4 | AUTHPR |
| 2007-02-12 | WIH4 | LETRES |
| 2006-03-07 | WIH4 | AUTHPR |
| 2006-01-01 | WIH4 | LIASS |
| 2005-07-25 | WIH4 | ESCAPR |
| 2002-03-26 | WIH4 | LIREN |
| 2002-02-11 | WIH4 | LETRES |
| 2001-04-27 | WIH4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1979274 | 2026-08-02 02:08:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WIH4 | ULS 1979274 | 2026-08-02 02:08:30 |
| Status | A | ULS 1979274 | 2026-08-02 02:08:30 |
| Service | AF | ULS 1979274 | 2026-08-02 02:08:30 |
| Grant Date | 2017-05-04 | ULS 1979274 | 2026-08-02 02:08:30 |
| Expiration Date | 2027-05-05 | ULS 1979274 | 2026-08-02 02:08:30 |