Universal Licensing System
WPBM600
SIGNATURE FLIGHT SUPPORT
License details
| ULS identifier | 1704773 |
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| Call sign | WPBM600 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-01-20 |
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| Expiration | 2003-01-13 |
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| Cancellation | 2003-02-20 |
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| Frequency range | 463.65 - 468.65 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.9839167, -87.8886667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:46 |
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Licensee
| Name | SIGNATURE FLIGHT SUPPORT |
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| Applicant type | C |
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| FRN | 0003305190 |
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| Location | CHICAGO, IL |
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| Address | CHICAGO, IL, 606660139 |
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| Phone | 3126867000 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB2 | 463.65000000 | | | 25.000000 | 90.000000 | |
| 2 | 1 | MO | 463.65000000 | | | 25.000000 | | |
| 2 | 1 | MO | 468.65000000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.65000000 | | 20K0F3E |
| 2 | 1 | 463.65000000 | | 20K0F3E |
| 2 | 1 | 468.65000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | O HARE INTL ARPRT SIGNATURE TERM BLDG, CHICAGO, COOK, IL | 41.98391667, -87.88866667 | 203.000 m | | 8.000 m structure / 8.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | SIGNATURE TERMINAL BLDG CHICAGO O HARE INTL AP, CHICAGO, IL | | 3126867000 |
License history
| Date | File or call sign | Action |
|---|
| 2003-02-20 | WPBM600 | LIEXP |
| 2003-02-19 | WPBM600 | LITIN |
| 2002-10-21 | WPBM600 | LETRES |
| 2001-11-13 | WPBM600 | AUDOPR |
| 2000-11-23 | WPBM600 | LICCNV |
| 1998-01-20 | WPBM600 | LIREN |
| 1998-01-20 | WPBM600 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1704773 | 2026-08-02 01:17:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPBM600 | ULS 1704773 | 2026-08-02 01:17:46 |
| Status | E | ULS 1704773 | 2026-08-02 01:17:46 |
| Service | IG | ULS 1704773 | 2026-08-02 01:17:46 |
| Grant Date | 1998-01-20 | ULS 1704773 | 2026-08-02 01:17:46 |
| Expiration Date | 2003-01-13 | ULS 1704773 | 2026-08-02 01:17:46 |
| Cancellation Date | 2003-02-20 | ULS 1704773 | 2026-08-02 01:17:46 |