Universal Licensing System
WEM4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1974999 |
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| Call sign | WEM4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2018-03-08 |
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| Expiration | 2028-03-01 |
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| Frequency range | 129.55 MHz |
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| Locations | 1 |
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| Representative location | TUCSON, PIMA, AZ |
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| Coordinates | 32.4397222, -110.7866667 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:30 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 129.55000000 | | | 25.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 129.55000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | ATOP MT LEMON, TUCSON, PIMA, AZ | 32.43972222, -110.78666667 | 2800.000 m | BANT | -25.000 m structure / 24.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.000 m | | | 360.0000 | | |
Control points
| Number | Address | County | Phone |
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| 1 | Radio Operations Ofice 1010 Delta Blvd, OCC 3rd Floor, ATLANTA, GA | | 4047142280 |
License history
| Date | File or call sign | Action |
|---|
| 2018-03-08 | WEM4 | LIREN |
| 2017-12-04 | WEM4 | LETRES |
| 2015-02-06 | WEM4 | LIAUA |
| 2015-02-05 | WEM4 | LIAUA |
| 2015-02-05 | WEM4 | ESUAPR |
| 2015-02-04 | WEM4 | ESUAPR |
| 2008-02-26 | WEM4 | LIREN |
| 2007-12-10 | WEM4 | LETRES |
| 2007-03-01 | WEM4 | AUTHPR |
| 2006-03-07 | WEM4 | AUTHPR |
| 2006-01-01 | WEM4 | LIASS |
| 2005-07-25 | WEM4 | ESCAPR |
| 2003-01-22 | WEM4 | LIREN |
| 2002-12-02 | WEM4 | LETRES |
| 2002-11-27 | WEM4 | LIAUA |
| 2001-04-27 | WEM4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1974999 | 2026-08-02 02:08:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WEM4 | ULS 1974999 | 2026-08-02 02:08:30 |
| Status | A | ULS 1974999 | 2026-08-02 02:08:30 |
| Service | AF | ULS 1974999 | 2026-08-02 02:08:30 |
| Grant Date | 2018-03-08 | ULS 1974999 | 2026-08-02 02:08:30 |
| Expiration Date | 2028-03-01 | ULS 1974999 | 2026-08-02 02:08:30 |