Universal Licensing System
WPWJ290
Prospect Airport Services Inc
License details
| ULS identifier | 2464287 |
|---|
| Call sign | WPWJ290 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2012-11-14 |
|---|
| Expiration | 2022-11-26 |
|---|
| Cancellation | 2023-01-28 |
|---|
| Frequency range | 451.35 - 457.975 MHz (4 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | San Francisco, SAN FRANCISCO, CA |
|---|
| Coordinates | 37.6157778, -122.3910833 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:14:11 |
|---|
Licensee
| Name | Prospect Airport Services Inc |
|---|
| Applicant type | C |
|---|
| FRN | 0004828901 |
|---|
| Location | Des Plaines, IL |
|---|
| Address | 2130 S Wolf Rd, Des Plaines, IL, 60018 |
|---|
| Phone | 8472993636 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.35000000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 451.35000000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 452.97500000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 452.97500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 456.35000000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FX1 | 456.35000000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 457.97500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FX1 | 457.97500000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.35000000 | | 7K60F1W |
| 1 | 1 | 451.35000000 | | 11K2F3E |
| 2 | 1 | 451.35000000 | | 7K60F1W |
| 2 | 1 | 451.35000000 | | 11K2F3E |
| 1 | 1 | 452.97500000 | | 11K2F3E |
| 1 | 1 | 452.97500000 | | 7K60F1W |
| 2 | 1 | 452.97500000 | | 7K60F1W |
| 2 | 1 | 452.97500000 | | 11K2F3E |
| 2 | 1 | 456.35000000 | | 11K2F3E |
| 2 | 1 | 456.35000000 | | 7K60F1W |
| 3 | 1 | 456.35000000 | | 11K2F3E |
| 3 | 1 | 456.35000000 | | 7K60F1W |
| 2 | 1 | 457.97500000 | | 11K2F3E |
| 2 | 1 | 457.97500000 | | 7K60F1W |
| 3 | 1 | 457.97500000 | | 7K60F1W |
| 3 | 1 | 457.97500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | San Francisco International Arprt, San Francisco, SAN FRANCISCO, CA | 37.61577778, -122.39108333 | 1.000 m | BANT | 21.000 m structure / 25.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 25.000 m | | 0.0000 | 0.0000 | -45.000 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | San Francisco International Airport, San Francisco, CA | SAN FRANCISCO | 6508213344 |
License history
| Date | File or call sign | Action |
|---|
| 2023-01-28 | WPWJ290 | LIEXP |
| 2019-01-29 | WPWJ290 | LIMOD |
| 2012-11-14 | WPWJ290 | LTSAPR |
| 2012-11-14 | WPWJ290 | LIREN |
| 2012-09-03 | WPWJ290 | LETRES |
| 2003-08-25 | WPWJ290 | LETCNS |
| 2002-11-26 | WPWJ290 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2464287 | 2026-08-02 01:14:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWJ290 | ULS 2464287 | 2026-08-02 01:14:11 |
| Status | E | ULS 2464287 | 2026-08-02 01:14:11 |
| Service | IG | ULS 2464287 | 2026-08-02 01:14:11 |
| Grant Date | 2012-11-14 | ULS 2464287 | 2026-08-02 01:14:11 |
| Expiration Date | 2022-11-26 | ULS 2464287 | 2026-08-02 01:14:11 |
| Cancellation Date | 2023-01-28 | ULS 2464287 | 2026-08-02 01:14:11 |