Universal Licensing System
WRTL439
ZIMMERMAN METALS, INC.
License details
| ULS identifier | 4629103 |
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| Call sign | WRTL439 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-06-30 |
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| Expiration | 2032-06-30 |
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| Frequency range | 456.1375 - 456.95 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | DENVER, ADAMS, CO |
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| Coordinates | 39.8044444, -104.9844444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:50 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 456.13750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.32500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.52500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.65000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.95000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 456.13750000 | | 11K2F3E |
| 1 | 1 | 456.13750000 | | 7K60FXE |
| 1 | 1 | 456.32500000 | | 11K2F3E |
| 1 | 1 | 456.32500000 | | 7K60FXE |
| 1 | 1 | 456.52500000 | | 7K60FXE |
| 1 | 1 | 456.52500000 | | 11K2F3E |
| 1 | 1 | 456.65000000 | | 7K60FXE |
| 1 | 1 | 456.65000000 | | 11K2F3E |
| 1 | 1 | 456.95000000 | | 11K2F3E |
| 1 | 1 | 456.95000000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DENVER, ADAMS, CO | 39.80444444, -104.98444444 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 201 E. 58TH AVE., DENVER, CO | ADAMS | 3032940180 |
License history
| Date | File or call sign | Action |
|---|
| 2022-06-30 | WRTL439 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4629103 | 2026-08-02 01:23:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTL439 | ULS 4629103 | 2026-08-02 01:23:50 |
| Status | A | ULS 4629103 | 2026-08-02 01:23:50 |
| Service | IG | ULS 4629103 | 2026-08-02 01:23:50 |
| Grant Date | 2022-06-30 | ULS 4629103 | 2026-08-02 01:23:50 |
| Expiration Date | 2032-06-30 | ULS 4629103 | 2026-08-02 01:23:50 |