Universal Licensing System
WDU527
AIRCALL INC
License details
| ULS identifier | 973958 |
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| Call sign | WDU527 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 2001-03-06 |
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| Expiration | 2011-02-01 |
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| Cancellation | 2011-04-09 |
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| Frequency range | 2175.6 MHz |
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| Locations | 2 |
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| Representative location | GREAT FALLS, CASCADE, MT |
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| Coordinates | 47.4957778, -111.2991389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:51 |
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Licensee
| Name | AIRCALL INC |
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| Applicant type | C |
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| FRN | 0004255840 |
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| Location | GREAT FALLS, MT |
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| Address | GREAT FALLS, MT, 59403 |
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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 | FXO | 2175.60000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 2175.60000000 | | 800KF9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 814 5TH ST S, GREAT FALLS, CASCADE, MT | 47.49577778, -111.29913889 | 1018.000 m | | 4.600 m overall | |
| 2 | R | | 47.37216667, -110.63408333 | 2072.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | | 105.0000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2011-04-09 | WDU527 | LIEXP |
| 2010-11-08 | WDU527 | LETRES |
| 2001-03-06 | WDU527 | LIREN |
| 2000-11-13 | WDU527 | LETRES |
| 1999-08-13 | WDU527 | LICCNV |
| 1999-04-23 | WDU527 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 973958 | 2026-08-02 02:43:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDU527 | ULS 973958 | 2026-08-02 02:43:51 |
| Status | E | ULS 973958 | 2026-08-02 02:43:51 |
| Service | CF | ULS 973958 | 2026-08-02 02:43:51 |
| Grant Date | 2001-03-06 | ULS 973958 | 2026-08-02 02:43:51 |
| Expiration Date | 2011-02-01 | ULS 973958 | 2026-08-02 02:43:51 |
| Cancellation Date | 2011-04-09 | ULS 973958 | 2026-08-02 02:43:51 |