Universal Licensing System
WZL4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1985991 |
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| Call sign | WZL4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2019-10-01 |
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| Expiration | 2029-10-14 |
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| Frequency range | 131.725 - 136.975 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | CASPER, NATRONA, WY |
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| Coordinates | 42.8972222, -106.4641667 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:31 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 131.72500000 | | | 25.000000 | | HL |
| 1 | 1 | FA | 136.97500000 | | | 25.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 131.72500000 | | 13K0A2D |
| 1 | 1 | 136.97500000 | | 14K0G1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Casper-Natrona County International Airport, CASPER, NATRONA, WY | 42.89722222, -106.46416667 | 1623.900 m | BANT | 12.100 m structure / 13.100 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 13.100 m | | | 360.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3100 Cumberland Blvd, Atlanta, GA | COBB | 7708504500 |
License history
| Date | File or call sign | Action |
|---|
| 2021-07-28 | WZL4 | LIAUA |
| 2019-12-31 | WZL4 | LIMOD |
| 2019-10-01 | WZL4 | LIREN |
| 2019-07-22 | WZL4 | LETRES |
| 2017-10-18 | WZL4 | LIMOD |
| 2015-02-06 | WZL4 | LIAUA |
| 2015-02-05 | WZL4 | LIAUA |
| 2015-02-05 | WZL4 | ESUAPR |
| 2015-02-04 | WZL4 | ESUAPR |
| 2009-09-15 | WZL4 | LIREN |
| 2009-07-20 | WZL4 | LETRES |
| 2007-03-01 | WZL4 | AUTHPR |
| 2006-03-07 | WZL4 | AUTHPR |
| 2006-01-01 | WZL4 | LIASS |
| 2005-07-25 | WZL4 | ESCAPR |
| 2004-09-08 | WZL4 | LIREN |
| 2004-07-19 | WZL4 | LETRES |
| 2001-04-27 | WZL4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1985991 | 2026-08-02 02:08:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WZL4 | ULS 1985991 | 2026-08-02 02:08:31 |
| Status | A | ULS 1985991 | 2026-08-02 02:08:31 |
| Service | AF | ULS 1985991 | 2026-08-02 02:08:31 |
| Grant Date | 2019-10-01 | ULS 1985991 | 2026-08-02 02:08:31 |
| Expiration Date | 2029-10-14 | ULS 1985991 | 2026-08-02 02:08:31 |