Universal Licensing System
WQXJ422
Montrose Air Quality Services
License details
| ULS identifier | 3793422 |
|---|
| Call sign | WQXJ422 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2016-03-23 |
|---|
| Expiration | 2026-03-23 |
|---|
| Cancellation | 2026-05-23 |
|---|
| Frequency range | 451.8 - 464.5 MHz (5 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:21:56 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 451.80000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 451.81250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 456.80000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 456.81250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 464.50000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.80000000 | | 7K60FXD |
| 1 | 1 | 451.80000000 | | 7K60FXE |
| 1 | 1 | 451.81250000 | | 7K60FXE |
| 1 | 1 | 451.81250000 | | 7K60FXD |
| 1 | 1 | 456.80000000 | | 7K60FXD |
| 1 | 1 | 456.80000000 | | 7K60FXE |
| 1 | 1 | 456.81250000 | | 7K60FXE |
| 1 | 1 | 456.81250000 | | 7K60FXD |
| 1 | 1 | 464.50000000 | | 7K60FXE |
| 1 | 1 | 464.50000000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
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 | 1711 W Armitage Ct, Addison, IL | DUPAGE | 6305195135 |
License history
| Date | File or call sign | Action |
|---|
| 2026-05-23 | WQXJ422 | LIEXP |
| 2025-12-29 | WQXJ422 | LETRES |
| 2016-03-23 | WQXJ422 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3793422 | 2026-08-02 01:21:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQXJ422 | ULS 3793422 | 2026-08-02 01:21:56 |
| Status | E | ULS 3793422 | 2026-08-02 01:21:56 |
| Service | IG | ULS 3793422 | 2026-08-02 01:21:56 |
| Grant Date | 2016-03-23 | ULS 3793422 | 2026-08-02 01:21:56 |
| Expiration Date | 2026-03-23 | ULS 3793422 | 2026-08-02 01:21:56 |
| Cancellation Date | 2026-05-23 | ULS 3793422 | 2026-08-02 01:21:56 |