Universal Licensing System
WRMI583
Aviation Spectrum Resources Inc
License details
| ULS identifier | 4436147 |
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| Call sign | WRMI583 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2021-04-14 |
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| Expiration | 2031-04-14 |
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| Frequency range | 129.725 MHz |
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| Locations | 1 |
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| Representative location | Mason City, CERRO GORDO, IA |
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| Coordinates | 43.1530556, -93.3364167 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-23 22:28:50 |
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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 | FA | 129.72500000 | | | 10.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 129.72500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | Mason City Municipal Airport, Mason City, CERRO GORDO, IA | 43.15305556, -93.33641667 | 369.000 m | BANT | 9.100 m structure / 10.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.000 m | | | 360.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-04-14 | WRMI583 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4436147 | 2026-08-23 22:28:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMI583 | ULS 4436147 | 2026-08-23 22:28:50 |
| Status | A | ULS 4436147 | 2026-08-23 22:28:50 |
| Service | AF | ULS 4436147 | 2026-08-23 22:28:50 |
| Grant Date | 2021-04-14 | ULS 4436147 | 2026-08-23 22:28:50 |
| Expiration Date | 2031-04-14 | ULS 4436147 | 2026-08-23 22:28:50 |