Universal Licensing System
KNB4
DOCS AERO SERVICE INC
License details
| ULS identifier | 1968268 |
|---|
| Call sign | KNB4 |
|---|
| Radio service | AF |
|---|
| Status | E |
|---|
| Grant date | 1996-01-10 |
|---|
| Expiration | 2001-01-10 |
|---|
| Cancellation | 2001-05-06 |
|---|
| Frequency range | 123 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | SANDWICH, DEKALB, IL |
|---|
| Coordinates | 41.6250278, -88.6417500 |
|---|
| Source archive | l_coast.zip |
|---|
| Dataset refreshed | 2026-08-02 02:08:27 |
|---|
Licensee
| Name | DOCS AERO SERVICE INC |
|---|
| Applicant type | C |
|---|
| FRN | 0004826525 |
|---|
| Location | SANDWICH, IL |
|---|
| Address | 1412 W CHURCH ST, SANDWICH, IL, 60548 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FAA | 123.00000000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 123.00000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WOODLAKE LANDING AREA SANDWICH AIRPORT, SANDWICH, DEKALB, IL | 41.62502778, -88.64175000 | 206.000 m | B | 9.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-06 | KNB4 | LIEXP |
| 2001-04-27 | KNB4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1968268 | 2026-08-02 02:08:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNB4 | ULS 1968268 | 2026-08-02 02:08:27 |
| Status | E | ULS 1968268 | 2026-08-02 02:08:27 |
| Service | AF | ULS 1968268 | 2026-08-02 02:08:27 |
| Grant Date | 1996-01-10 | ULS 1968268 | 2026-08-02 02:08:27 |
| Expiration Date | 2001-01-10 | ULS 1968268 | 2026-08-02 02:08:27 |
| Cancellation Date | 2001-05-06 | ULS 1968268 | 2026-08-02 02:08:27 |