Universal Licensing System
WROS839
Chapman Air Systems
License details
| ULS identifier | 4529018 |
|---|
| Call sign | WROS839 |
|---|
| Radio service | IG |
|---|
| Status | A |
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| Grant date | 2021-12-02 |
|---|
| Expiration | 2031-12-02 |
|---|
| Frequency range | 462.8125 - 466.2375 MHz (2 frequencies) |
|---|
| Locations | 1 |
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| Representative location | CA |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:58 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 461.03750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 461.23750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 462.81250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 466.03750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 466.23750000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.03750000 | | 11K0F3E |
| 1 | 1 | 461.23750000 | | 11K0F3E |
| 1 | 1 | 462.81250000 | | 11K0F3E |
| 1 | 1 | 466.03750000 | | 11K0F3E |
| 1 | 1 | 466.23750000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1927 Avenida Plaza Real, Oceanside, CA | SAN BERNARDINO | 7608428800 |
License history
| Date | File or call sign | Action |
|---|
| 2021-12-02 | WROS839 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4529018 | 2026-08-02 01:22:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROS839 | ULS 4529018 | 2026-08-02 01:22:58 |
| Status | A | ULS 4529018 | 2026-08-02 01:22:58 |
| Service | IG | ULS 4529018 | 2026-08-02 01:22:58 |
| Grant Date | 2021-12-02 | ULS 4529018 | 2026-08-02 01:22:58 |
| Expiration Date | 2031-12-02 | ULS 4529018 | 2026-08-02 01:22:58 |