Universal Licensing System
WPWX900
THE MCGRAW-HILL COMPANIES, INC.
License details
| ULS identifier | 2484139 |
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| Call sign | WPWX900 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2003-02-05 |
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| Expiration | 2013-02-05 |
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| Cancellation | 2012-04-30 |
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| Frequency range | 464.975 - 469.975 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | DUBUQUE, DUBUQUE, IA |
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| Coordinates | 42.4900000, -90.7716667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:54 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 464.97500000 | | | 25.000000 | 160.000000 | |
| 2 | 1 | MO | 464.97500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.97500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 469.97500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.97500000 | | 20K0F3E |
| 2 | 1 | 464.97500000 | | 20K0F3E |
| 2 | 1 | 469.97500000 | | 20K0F3E |
| 3 | 1 | 469.97500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7500 CHAVENELLE RD, DUBUQUE, DUBUQUE, IA | 42.49000000, -90.77166667 | 263.000 m | B | 14.000 m structure / 17.000 m overall | |
| 2 | T | | 42.49000000, -90.77166667 | 0.000 m | | | |
| 3 | T | IA | | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 17.000 m | | | | 10.000 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 7500 CHAVENELLE ROAD, DUBUQUE, IA | DUBUQUE | 5635891864 |
License history
| Date | File or call sign | Action |
|---|
| 2012-05-01 | WPWX900 | LICAN |
| 2004-04-19 | WPWX900 | LTSAPR |
| 2004-04-17 | WPWX900 | LIAUA |
| 2003-11-03 | WPWX900 | LETCNS |
| 2003-02-05 | WPWX900 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2484139 | 2026-08-02 01:10:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWX900 | ULS 2484139 | 2026-08-02 01:10:54 |
| Status | C | ULS 2484139 | 2026-08-02 01:10:54 |
| Service | IG | ULS 2484139 | 2026-08-02 01:10:54 |
| Grant Date | 2003-02-05 | ULS 2484139 | 2026-08-02 01:10:54 |
| Expiration Date | 2013-02-05 | ULS 2484139 | 2026-08-02 01:10:54 |
| Cancellation Date | 2012-04-30 | ULS 2484139 | 2026-08-02 01:10:54 |