Universal Licensing System
WPWK974
IOWA, STATE OF, DOT
License details
| ULS identifier | 2467322 |
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| Call sign | WPWK974 |
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| Radio service | PW |
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| Status | C |
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| Grant date | 2012-12-04 |
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| Expiration | 2022-12-10 |
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| Cancellation | 2022-11-21 |
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| Frequency range | 156.045 - 159.36 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | WILLIAMS, HAMILTON, IA |
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| Coordinates | 42.4777500, -93.5474444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:29 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2C | 156.04500000 | | | 125.000000 | 276.000000 | |
| 2 | 1 | FX1 | 159.36000000 | | | 25.000000 | 50.000000 | |
| 3 | 1 | MO | 159.36000000 | | | 50.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.04500000 | | 11K3F3E |
| 1 | 1 | 156.04500000 | | 11K3F1D |
| 1 | 1 | 156.04500000 | | 11K3F1E |
| 2 | 1 | 159.36000000 | | 11K3F3E |
| 2 | 1 | 159.36000000 | | 11K3F1D |
| 2 | 1 | 159.36000000 | | 11K3F1E |
| 3 | 1 | 159.36000000 | | 11K3F3E |
| 3 | 1 | 159.36000000 | | 11K3F1D |
| 3 | 1 | 159.36000000 | | 11K3F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2110 VAIL AVE, WILLIAMS, HAMILTON, IA | 42.47775000, -93.54744444 | 365.000 m | TOWER | 37.000 m structure / 42.000 m overall | |
| 2 | T | AMES, STORY, IA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 42.000 m | V | 6.0000 | 360.0000 | 48.400 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 800 LINCOLN WAY, AMES, IA | STORY | 5152391815 |
License history
| Date | File or call sign | Action |
|---|
| 2022-11-22 | WPWK974 | LICAN |
| 2022-09-19 | WPWK974 | LETRES |
| 2012-12-04 | WPWK974 | ESUAPR |
| 2012-12-04 | WPWK974 | LIREN |
| 2012-11-30 | WPWK974 | ESURNW |
| 2012-11-10 | WPWK974 | ESURNW |
| 2012-10-11 | WPWK974 | ESURNW |
| 2012-09-17 | WPWK974 | LETRES |
| 2012-09-11 | WPWK974 | ESURNW |
| 2003-09-08 | WPWK974 | LETCNS |
| 2003-06-26 | WPWK974 | LIMOD |
| 2002-12-10 | WPWK974 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2467322 | 2026-08-02 01:11:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWK974 | ULS 2467322 | 2026-08-02 01:11:29 |
| Status | C | ULS 2467322 | 2026-08-02 01:11:29 |
| Service | PW | ULS 2467322 | 2026-08-02 01:11:29 |
| Grant Date | 2012-12-04 | ULS 2467322 | 2026-08-02 01:11:29 |
| Expiration Date | 2022-12-10 | ULS 2467322 | 2026-08-02 01:11:29 |
| Cancellation Date | 2022-11-21 | ULS 2467322 | 2026-08-02 01:11:29 |