Universal Licensing System
WPWX250
IDT Spectrum, LLC
License details
| ULS identifier | 2482980 |
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| Call sign | WPWX250 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 2003-02-03 |
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| Expiration | 2013-02-03 |
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| Cancellation | 2013-04-08 |
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| Frequency range | 21425 - 21575 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | SAN FRANCISCO, SAN FRANCISCO, CA |
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| Coordinates | 37.7899167, -122.4016389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:25 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 21425.00000000 | | | | | |
| 1 | 1 | FXO | 21475.00000000 | | | | | |
| 1 | 1 | FXO | 21575.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 21425.00000000 | | 28M0D7W |
| 1 | 1 | 21475.00000000 | | 28M0D7W |
| 1 | 1 | 21575.00000000 | | 28M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 44 MONTGOMARY ST., SAN FRANCISCO, SAN FRANCISCO, CA | 37.78991667, -122.40163889 | 10.100 m | BANT | 173.100 m structure / 177.100 m overall | |
| 2 | R | | 37.79047222, -122.39913889 | 5.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION VHPX2-220A | | V | 39.9000 | 74.4000 | | |
| 1 | 2 | R | ANDREW CORPORATION VHPX2-220A | | | 39.9000 | | | |
| 2 | 1 | T | ANDREW CORPORATION VHPX2-220A | | H | 39.9000 | 74.4000 | | |
| 2 | 2 | R | ANDREW CORPORATION VHPX2-220A | | | 39.9000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2013-04-08 | WPWX250 | LIEXP |
| 2012-11-12 | WPWX250 | LETRES |
| 2012-07-03 | WPWX250 | LIAUA |
| 2012-07-02 | WPWX250 | ESUAPR |
| 2010-10-29 | WPWX250 | ESUAPR |
| 2010-07-20 | WPWX250 | LIAUA |
| 2010-07-19 | WPWX250 | ESUAPR |
| 2010-05-28 | WPWX250 | LIAUA |
| 2010-05-27 | WPWX250 | ESUAPR |
| 2010-05-14 | WPWX250 | LIAUA |
| 2010-05-13 | WPWX250 | LIAUA |
| 2010-05-13 | WPWX250 | ESUAPR |
| 2010-05-12 | WPWX250 | ESUAPR |
| 2008-10-31 | WPWX250 | LIAUA |
| 2008-10-30 | WPWX250 | ESUAPR |
| 2008-10-30 | WPWX250 | LIAUA |
| 2008-10-29 | WPWX250 | ESUAPR |
| 2008-09-10 | WPWX250 | LIAUA |
| 2008-09-09 | WPWX250 | ESUAPR |
| 2008-04-19 | WPWX250 | LIAUA |
| 2008-04-18 | WPWX250 | ESUAPR |
| 2007-07-17 | WPWX250 | LIAUA |
| 2007-07-16 | WPWX250 | ESUAPR |
| 2006-03-10 | WPWX250 | COR |
| 2005-08-12 | WPWX250 | LIAUA |
| 2005-08-11 | WPWX250 | ESUAPR |
| 2005-02-19 | WPWX250 | LIASS |
| 2005-01-28 | WPWX250 | ESUAPR |
| 2004-05-03 | WPWX250 | LETCNS |
| 2003-02-03 | WPWX250 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2482980 | 2026-08-02 02:44:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWX250 | ULS 2482980 | 2026-08-02 02:44:25 |
| Status | E | ULS 2482980 | 2026-08-02 02:44:25 |
| Service | CF | ULS 2482980 | 2026-08-02 02:44:25 |
| Grant Date | 2003-02-03 | ULS 2482980 | 2026-08-02 02:44:25 |
| Expiration Date | 2013-02-03 | ULS 2482980 | 2026-08-02 02:44:25 |
| Cancellation Date | 2013-04-08 | ULS 2482980 | 2026-08-02 02:44:25 |