Universal Licensing System
WSIG498
MATHESON TRI-GAS
License details
| ULS identifier | 5135852 |
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| Call sign | WSIG498 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-05-14 |
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| Expiration | 2035-05-14 |
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| Frequency range | 456.3 - 457.075 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | LONGMONT, BOULDER, CO |
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| Coordinates | 40.1411111, -105.1241667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:09 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 456.30000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.82500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.07500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 456.30000000 | | 11K2F3E |
| 1 | 1 | 456.30000000 | | 7K60FXE |
| 1 | 1 | 456.82500000 | | 11K2F3E |
| 1 | 1 | 456.82500000 | | 7K60FXE |
| 1 | 1 | 457.07500000 | | 7K60FXE |
| 1 | 1 | 457.07500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | LONGMONT, BOULDER, CO | 40.14111111, -105.12416667 | | | | |
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 | 1861 LEFTHAND CIRCLE, LONGMONT, CO | BOULDER | 3036780700 |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-10 | WSIG498 | LETCNS |
| 2025-05-14 | WSIG498 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5135852 | 2026-08-02 01:24:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WSIG498 | ULS 5135852 | 2026-08-02 01:24:09 |
| Status | A | ULS 5135852 | 2026-08-02 01:24:09 |
| Service | IG | ULS 5135852 | 2026-08-02 01:24:09 |
| Grant Date | 2025-05-14 | ULS 5135852 | 2026-08-02 01:24:09 |
| Expiration Date | 2035-05-14 | ULS 5135852 | 2026-08-02 01:24:09 |