Universal Licensing System
WRML556
United Metro Materials
License details
| ULS identifier | 4441837 |
|---|
| Call sign | WRML556 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-04-29 |
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| Expiration | 2031-04-29 |
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| Frequency range | 451.825 - 456.825 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | Tucson, PIMA, AZ |
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| Coordinates | 32.2489722, -111.1170556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.82500000 | | | 110.000000 | 27.000000 | |
| 2 | 1 | FB2 | 451.82500000 | | | 110.000000 | 43.000000 | |
| 3 | 1 | MO | 451.82500000 | | | 110.000000 | 100.000000 | |
| 4 | 1 | MO | 451.82500000 | | | 110.000000 | 100.000000 | |
| 3 | 1 | MO | 456.82500000 | | | 110.000000 | 100.000000 | |
| 4 | 1 | MO | 456.82500000 | | | 110.000000 | 100.000000 | |
| 5 | 1 | FX1 | 456.82500000 | | | 55.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.82500000 | | 11K2F3E |
| 2 | 1 | 451.82500000 | | 11K2F3E |
| 3 | 1 | 451.82500000 | | 11K2F3E |
| 4 | 1 | 451.82500000 | | 11K2F3E |
| 3 | 1 | 456.82500000 | | 11K2F3E |
| 4 | 1 | 456.82500000 | | 11K2F3E |
| 5 | 1 | 456.82500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Atop Tucson Mountains, Tucson, PIMA, AZ | 32.24897222, -111.11705556 | 1303.000 m | BANT | 3.000 m structure / 5.000 m overall | |
| 2 | T | Atop Mount Eldon, Flagstaff, COCONINO, AZ | 35.24027778, -111.60127778 | 2651.400 m | BANT | 3.000 m structure / 5.000 m overall | |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
| 5 | T | PIMA, AZ | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 5.000 m | | | | 537.900 | |
| 1 | 2 | T | | 5.000 m | | | | 423.700 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4800 W Orange Grove Rd, Tucson, AZ | PIMA | 5618036115 |
License history
| Date | File or call sign | Action |
|---|
| 2022-02-01 | WRML556 | LETCNS |
| 2022-01-19 | WRML556 | LIAUA |
| 2021-04-29 | WRML556 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4441837 | 2026-08-02 01:14:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRML556 | ULS 4441837 | 2026-08-02 01:14:20 |
| Status | A | ULS 4441837 | 2026-08-02 01:14:20 |
| Service | IG | ULS 4441837 | 2026-08-02 01:14:20 |
| Grant Date | 2021-04-29 | ULS 4441837 | 2026-08-02 01:14:20 |
| Expiration Date | 2031-04-29 | ULS 4441837 | 2026-08-02 01:14:20 |