Universal Licensing System
WQDU400
INTERSTATE POWER AND LIGHT COMPANY
License details
| ULS identifier | 2760363 |
|---|
| Call sign | WQDU400 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2025-12-03 |
|---|
| Expiration | 2035-11-01 |
|---|
| Frequency range | 11225 MHz |
|---|
| Locations | 1 |
|---|
| Coordinates | 41.8122222, -90.2419167 |
|---|
| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:44 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 11225.00000000 | | | | | |
| 1 | 2 | FXO | 11225.00000000 | | | | | |
| 1 | 2 | FXO | 11225.00000000 | | | | | |
| 1 | 2 | FXO | 11225.00000000 | | | | | |
| 1 | 2 | FXO | 11225.00000000 | | | | | |
| 1 | 2 | FXO | 11225.00000000 | | | | | |
| 1 | 2 | FXO | 11225.00000000 | | | | | |
| 1 | 2 | FXO | 11225.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 11225.00000000 | | 10M0D7W |
| 1 | 2 | 11225.00000000 | | 10M0D7W |
| 1 | 2 | 11225.00000000 | | 10M0D7W |
| 1 | 2 | 11225.00000000 | | 10M0D7W |
| 1 | 2 | 11225.00000000 | | 10M0D7W |
| 1 | 2 | 11225.00000000 | | 10M0D7W |
| 1 | 2 | 11225.00000000 | | 10M0D7W |
| 1 | 2 | 11225.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 432 Stockwell Lane N, Clinton, CLINTON, IA | 41.89563889, -90.18527778 | 224.100 m | MAST | 29.900 m structure / 36.600 m overall | N |
| 3 | R | | 41.81222222, -90.24191667 | 179.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 3 | R | Commscope VHLP3-11WA | | | 38.5000 | 0.0000 | | |
| 2 | 1 | T | Commscope VHLP3-11WA | | V | 38.5000 | 206.9000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-12-03 | WQDU400 | LIREN |
| 2025-08-11 | WQDU400 | LETRES |
| 2025-01-09 | WQDU400 | LIAUA |
| 2019-06-10 | WQDU400 | LIMOD |
| 2019-04-30 | WQDU400 | LETCNS |
| 2018-02-01 | WQDU400 | LIMOD |
| 2015-08-07 | WQDU400 | LIREN |
| 2015-08-06 | WQDU400 | ESUAPR |
| 2005-11-01 | WQDU400 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2760363 | 2026-08-02 02:44:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDU400 | ULS 2760363 | 2026-08-02 02:44:44 |
| Status | A | ULS 2760363 | 2026-08-02 02:44:44 |
| Service | MG | ULS 2760363 | 2026-08-02 02:44:44 |
| Grant Date | 2025-12-03 | ULS 2760363 | 2026-08-02 02:44:44 |
| Expiration Date | 2035-11-01 | ULS 2760363 | 2026-08-02 02:44:44 |