Universal Licensing System
WCH73
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1974400 |
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| Call sign | WCH73 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 2005-05-24 |
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| Expiration | 2015-06-29 |
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| Cancellation | 2012-02-15 |
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| Frequency range | 130.025 - 136.975 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | SAN FRANCISCO, SAN MATEO, CA |
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| Coordinates | 37.6191111, -122.3752500 |
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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 |
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| 1 | 1 | FA | 130.02500000 | | | 55.000000 | | HL |
| 1 | 1 | FA | 130.45000000 | | | 55.000000 | | HL |
| 1 | 1 | FA | 131.12500000 | | | 55.000000 | | HL |
| 1 | 1 | FA | 131.55000000 | | | 55.000000 | | HL |
| 1 | 1 | FA | 136.97500000 | | | 55.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 130.02500000 | | 13K0A2D |
| 1 | 1 | 130.45000000 | | 13K0A2D |
| 1 | 1 | 131.12500000 | | 13K0A2D |
| 1 | 1 | 131.55000000 | | 13K0A2D |
| 1 | 1 | 136.97500000 | | 14K0G1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SITE D: UAL OVERHAUL HANGER BLDG 847SAN FRANCISCO INTL AIRPORT 800 AIRPORT BLVD, SAN FRANCISCO, SAN MATEO, CA | 37.61911111, -122.37525000 | 3.000 m | BANT | 24.000 m structure / 36.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 36.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2551 RIVA RD, ANNAPOLIS, MD | ANNE ARUNDEL | 4102662132 |
License history
| Date | File or call sign | Action |
|---|
| 2012-02-16 | WCH73 | LICAN |
| 2010-09-16 | WCH73 | LIMOD |
| 2010-09-07 | WCH73 | ESUAPR |
| 2010-05-19 | WCH73 | LIMOD |
| 2010-03-25 | WCH73 | ESUAPR |
| 2007-03-01 | WCH73 | AUTHPR |
| 2006-03-07 | WCH73 | AUTHPR |
| 2006-01-01 | WCH73 | LIASS |
| 2005-07-25 | WCH73 | ESCAPR |
| 2005-05-24 | WCH73 | LIREN |
| 2005-04-04 | WCH73 | LETRES |
| 2003-11-21 | WCH73 | LIMOD |
| 2001-04-27 | WCH73 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1974400 | 2026-08-02 02:08:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WCH73 | ULS 1974400 | 2026-08-02 02:08:30 |
| Status | C | ULS 1974400 | 2026-08-02 02:08:30 |
| Service | AF | ULS 1974400 | 2026-08-02 02:08:30 |
| Grant Date | 2005-05-24 | ULS 1974400 | 2026-08-02 02:08:30 |
| Expiration Date | 2015-06-29 | ULS 1974400 | 2026-08-02 02:08:30 |
| Cancellation Date | 2012-02-15 | ULS 1974400 | 2026-08-02 02:08:30 |