Universal Licensing System
WPKU504
ALPINE COMMUNICATIONS LC
License details
| ULS identifier | 1879621 |
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| Call sign | WPKU504 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2012-05-01 |
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| Expiration | 2022-07-20 |
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| Cancellation | 2016-03-04 |
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| Frequency range | 451.5 - 456.5 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | ELKADER, CLAYTON, IA |
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| Coordinates | 42.8044167, -91.4173611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:58 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2C | 451.50000000 | | | 100.000000 | 484.000000 | |
| 2 | 1 | MO | 456.50000000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.50000000 | | 20K0F3E |
| 2 | 1 | 456.50000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HWY 13 S 4 MI, ELKADER, CLAYTON, IA | 42.80441667, -91.41736111 | 354.000 m | TOWER | 55.000 m structure / 59.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 59.000 m | | | | 127.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 923 HUMPHREY STREET, ELKADER, IA | CLAYTON | 5632454000 |
License history
| Date | File or call sign | Action |
|---|
| 2016-03-04 | WPKU504 | LICAN |
| 2012-05-01 | WPKU504 | LIREN |
| 2012-04-30 | WPKU504 | ESUAPR |
| 2012-04-23 | WPKU504 | LETRES |
| 2009-05-28 | WPKU504 | LIAUA |
| 2009-05-28 | WPKU504 | ESUAPR |
| 2008-12-15 | WPKU504 | LITRAN |
| 2008-12-02 | WPKU504 | ESCAPR |
| 2002-07-20 | WPKU504 | LIREN |
| 2002-07-18 | WPKU504 | LITIN |
| 2002-04-22 | WPKU504 | LETRES |
| 2001-08-27 | WPKU504 | AUDOPR |
| 2000-11-24 | WPKU504 | LICCNV |
| 1997-07-17 | WPKU504 | LIISS |
| 1997-07-17 | WPKU504 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1879621 | 2026-08-02 01:24:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKU504 | ULS 1879621 | 2026-08-02 01:24:58 |
| Status | C | ULS 1879621 | 2026-08-02 01:24:58 |
| Service | IG | ULS 1879621 | 2026-08-02 01:24:58 |
| Grant Date | 2012-05-01 | ULS 1879621 | 2026-08-02 01:24:58 |
| Expiration Date | 2022-07-20 | ULS 1879621 | 2026-08-02 01:24:58 |
| Cancellation Date | 2016-03-04 | ULS 1879621 | 2026-08-02 01:24:58 |