Universal Licensing System
WPOT557
The Source For Learning, Inc.
License details
| ULS identifier | 1050430 |
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| Call sign | WPOT557 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 1999-07-06 |
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| Expiration | 2009-05-07 |
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| Cancellation | 2008-08-07 |
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| Frequency range | 19070 - 19150 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | MILWAUKEE, MILWAUKEE, WI |
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| Coordinates | 43.0486111, -87.9801667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 19070.00000000 | | | | | |
| 1 | 1 | FXO | 19150.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19070.00000000 | | 20M0F8W |
| 1 | 1 | 19150.00000000 | | 20M0F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5225 W VLIET ST, MILWAUKEE, MILWAUKEE, WI | 43.04861111, -87.98016667 | 212.400 m | | 21.300 m structure / 21.300 m overall | |
| 2 | R | | 43.03833333, -87.90147222 | 187.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 48.0000 | 100.1000 | | |
| 1 | 2 | R | | | | 44.6000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2008-08-08 | WPOT557 | LICAN |
| 2008-08-07 | WPOT557 | ESUAPR |
| 2008-08-01 | WPOT557 | LIAUA |
| 2008-07-31 | WPOT557 | ESUAPR |
| 2005-08-18 | WPOT557 | LIAUA |
| 2005-08-09 | WPOT557 | ESCAPR |
| 2005-08-01 | WPOT557 | ESCAPR |
| 1999-08-14 | WPOT557 | LICCNV |
| 1999-07-06 | WPOT557 | LIASS |
| 1999-05-06 | WPOT557 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1050430 | 2026-08-02 02:43:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPOT557 | ULS 1050430 | 2026-08-02 02:43:26 |
| Status | C | ULS 1050430 | 2026-08-02 02:43:26 |
| Service | MG | ULS 1050430 | 2026-08-02 02:43:26 |
| Grant Date | 1999-07-06 | ULS 1050430 | 2026-08-02 02:43:26 |
| Expiration Date | 2009-05-07 | ULS 1050430 | 2026-08-02 02:43:26 |
| Cancellation Date | 2008-08-07 | ULS 1050430 | 2026-08-02 02:43:26 |