Universal Licensing System
WSLS637
Flagship Aviation Services LLC
License details
| ULS identifier | 5256641 |
|---|
| Call sign | WSLS637 |
|---|
| Radio service | IG |
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| Status | A |
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| Grant date | 2026-02-18 |
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| Expiration | 2036-02-18 |
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| Frequency range | 451.7375 - 457.1875 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | DENVER, DENVER, CO |
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| Coordinates | 39.8629444, -104.6759167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:39 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.73750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.18750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.33750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.73750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.18750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.73750000 | | 7K60FXD |
| 1 | 1 | 451.73750000 | | 7K60FXE |
| 1 | 1 | 452.18750000 | | 7K60FXD |
| 1 | 1 | 452.18750000 | | 7K60FXE |
| 1 | 1 | 456.33750000 | | 7K60FXD |
| 1 | 1 | 456.33750000 | | 7K60FXE |
| 1 | 1 | 456.73750000 | | 7K60FXD |
| 1 | 1 | 456.73750000 | | 7K60FXE |
| 1 | 1 | 457.18750000 | | 7K60FXD |
| 1 | 1 | 457.18750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DENVER, DENVER, CO | 39.86294444, -104.67591667 | | | | |
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 |
|---|
| 1 | 8500 PENA BLVD, DENVER, CO | DENVER | 7207304359 |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-18 | WSLS637 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5256641 | 2026-08-02 01:24:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSLS637 | ULS 5256641 | 2026-08-02 01:24:39 |
| Status | A | ULS 5256641 | 2026-08-02 01:24:39 |
| Service | IG | ULS 5256641 | 2026-08-02 01:24:39 |
| Grant Date | 2026-02-18 | ULS 5256641 | 2026-08-02 01:24:39 |
| Expiration Date | 2036-02-18 | ULS 5256641 | 2026-08-02 01:24:39 |