Universal Licensing System
WQHM502
MARTIN MARIETTA MATERIALS, INC
License details
| ULS identifier | 2943593 |
|---|
| Call sign | WQHM502 |
|---|
| Radio service | IG |
|---|
| Status | A |
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| Grant date | 2017-06-23 |
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| Expiration | 2027-09-10 |
|---|
| Frequency range | 151.7375 - 452.5 MHz (10 frequencies) |
|---|
| Locations | 1 |
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| Representative location | LOS ANGELES, CA |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:14 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 151.73750000 | | | 45.000000 | 65.000000 | |
| 2 | 1 | MO | 151.73750000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB | 152.46500000 | | | 40.000000 | 65.000000 | |
| 3 | 1 | MO | 152.46500000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 152.90750000 | | | 45.000000 | 65.000000 | |
| 2 | 1 | MO | 152.90750000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 152.96000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 157.72500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 158.38500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 159.49500000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | FX1 | 159.49500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB | 159.52500000 | | | 40.000000 | 65.000000 | |
| 2 | 1 | MO | 159.52500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 159.59250000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | FX1 | 159.59250000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 452.50000000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.73750000 | | 11K2F3E |
| 2 | 1 | 151.73750000 | | 11K2F3E |
| 1 | 1 | 152.46500000 | | 11K0F3E |
| 3 | 1 | 152.46500000 | | 11K0F3E |
| 1 | 1 | 152.90750000 | | 11K2F3E |
| 2 | 1 | 152.90750000 | | 11K2F3E |
| 3 | 1 | 152.96000000 | | 11K0F3E |
| 2 | 1 | 157.72500000 | | 11K0F3E |
| 3 | 1 | 158.38500000 | | 11K0F3E |
| 2 | 1 | 159.49500000 | | 11K2F3E |
| 4 | 1 | 159.49500000 | | 11K2F3E |
| 1 | 1 | 159.52500000 | | 11K0F3E |
| 2 | 1 | 159.52500000 | | 11K0F3E |
| 2 | 1 | 159.59250000 | | 11K2F3E |
| 4 | 1 | 159.59250000 | | 11K2F3E |
| 3 | 1 | 452.50000000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 13550 LIVE OAK LN, IRWINDALE, LOS ANGELES, CA | 34.10877778, -117.97972222 | 123.000 m | BANT | 18.000 m structure / 19.000 m overall | N |
| 2 | T | | | | | | |
| 3 | T | IRWINDALE, LOS ANGELES, CA | 34.10877778, -117.97972222 | | | | |
| 4 | T | LOS ANGELES, CA | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 19.000 m | | | | -160.000 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 13550 LIVE OAK LN, IRWINDALE, CA | LOS ANGELES | 6263581811 |
License history
| Date | File or call sign | Action |
|---|
| 2023-03-24 | WQHM502 | LIASS |
| 2017-06-23 | WQHM502 | LIREN |
| 2015-11-23 | WQHM502 | LIMOD |
| 2012-09-27 | WQHM502 | LIMOD |
| 2007-09-10 | WQHM502 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2943593 | 2026-08-02 01:23:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQHM502 | ULS 2943593 | 2026-08-02 01:23:14 |
| Status | A | ULS 2943593 | 2026-08-02 01:23:14 |
| Service | IG | ULS 2943593 | 2026-08-02 01:23:14 |
| Grant Date | 2017-06-23 | ULS 2943593 | 2026-08-02 01:23:14 |
| Expiration Date | 2027-09-10 | ULS 2943593 | 2026-08-02 01:23:14 |