Universal Licensing System
WPKX671
Interstate Power and Light Company
License details
| ULS identifier | 1587104 |
|---|
| Call sign | WPKX671 |
|---|
| Radio service | GO |
|---|
| Status | A |
|---|
| Grant date | 2022-06-22 |
|---|
| Expiration | 2032-09-09 |
|---|
| Frequency range | 856.2875 - 857.3375 MHz (2 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | ALLENDORF, OSCEOLA, IA |
|---|
| Coordinates | 43.4044167, -95.6475000 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:14:17 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 856.28750000 | | | 100.000000 | 350.000000 | |
| 2 | 1 | FB2 | 857.33750000 | | | 100.000000 | 350.000000 | |
| 3 | 1 | FB2C | 857.33750000 | | | 70.000000 | 350.000000 | |
| 4 | 1 | FB2 | 857.33750000 | | | 100.000000 | 350.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 856.28750000 | | 20K0F3E |
| 1 | 1 | 856.28750000 | | 20K0F2D |
| 1 | 1 | 856.28750000 | | 20K0F1D |
| 2 | 1 | 857.33750000 | | 20K0F2D |
| 2 | 1 | 857.33750000 | | 20K0F1D |
| 2 | 1 | 857.33750000 | | 20K0F3E |
| 3 | 1 | 857.33750000 | | 20K0F3E |
| 3 | 1 | 857.33750000 | | 20K0W7W |
| 3 | 1 | 857.33750000 | | 20K0F2D |
| 4 | 1 | 857.33750000 | | 20K0F1D |
| 4 | 1 | 857.33750000 | | 20K0F2D |
| 4 | 1 | 857.33750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ON A22 5 MI E OF SIBLEY 3/4 MI S, ALLENDORF, OSCEOLA, IA | 43.40441667, -95.64750000 | 489.000 m | TOWER | 89.000 m structure / 91.000 m overall | N |
| 2 | T | ON IA 29 US 71 4.5 MI E, SPIRIT LAKE, DICKINSON, IA | 43.42913889, -95.01305556 | 472.000 m | TOWER | 89.000 m structure / 91.000 m overall | N |
| 3 | T | EAST CALAMUS SUBSTATION, 2448 210TH AVENUE, GRAND MOUND, CLINTON, IA | 41.82288889, -90.68536111 | 218.000 m | TOWER | 73.200 m structure / 79.300 m overall | N |
| 4 | T | 2 MI W HWY 71 1 MI S, VILLISCA, MONTGOMERY, IA | 40.91444444, -95.02247222 | 384.000 m | TOWER | 55.000 m structure / 59.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 91.000 m | | | | 102.000 | |
| 1 | 2 | T | | 91.000 m | | | | 125.000 | |
| 1 | 3 | T | | 79.300 m | | | | 83.500 | |
| 1 | 4 | T | | 59.000 m | | | | 85.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 200 FIRST ST SE, CEDAR RAPIDS, IA | LINN | 3193984520 |
License history
| Date | File or call sign | Action |
|---|
| 2025-01-09 | WPKX671 | LIAUA |
| 2022-06-22 | WPKX671 | LIREN |
| 2022-06-13 | WPKX671 | LETRES |
| 2012-07-06 | WPKX671 | LIREN |
| 2012-07-05 | WPKX671 | ESUAPR |
| 2012-06-18 | WPKX671 | LETRES |
| 2010-11-15 | WPKX671 | LIMOD |
| 2004-12-29 | WPKX671 | LIAUA |
| 2004-12-28 | WPKX671 | ESUAPR |
| 2004-12-18 | WPKX671 | LIAUA |
| 2004-12-17 | WPKX671 | ESUAPR |
| 2004-12-04 | WPKX671 | LIAUA |
| 2004-12-03 | WPKX671 | ESUAPR |
| 2002-07-09 | WPKX671 | LIREN |
| 2002-06-17 | WPKX671 | LETRES |
| 2002-03-16 | WPKX671 | LIAUA |
| 2002-02-17 | WPKX671 | LITRAN |
| 2001-11-10 | WPKX671 | LIAUA |
| 2000-11-22 | WPKX671 | LICCNV |
| 1998-03-31 | WPKX671 | LIMOD |
| 1998-03-31 | WPKX671 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1587104 | 2026-08-02 01:14:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKX671 | ULS 1587104 | 2026-08-02 01:14:17 |
| Status | A | ULS 1587104 | 2026-08-02 01:14:17 |
| Service | GO | ULS 1587104 | 2026-08-02 01:14:17 |
| Grant Date | 2022-06-22 | ULS 1587104 | 2026-08-02 01:14:17 |
| Expiration Date | 2032-09-09 | ULS 1587104 | 2026-08-02 01:14:17 |