Universal Licensing System
KNJK487
COMMUNICATIONS MAINTENANCE INC
License details
| ULS identifier | 1629375 |
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| Call sign | KNJK487 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-04-17 |
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| Expiration | 2002-05-19 |
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| Cancellation | 2002-09-22 |
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| Frequency range | 463.825 - 468.825 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | INDIANAPOLIS, MARION, IN |
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| Coordinates | 39.7670000, -86.1580556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:52 |
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Licensee
| Name | COMMUNICATIONS MAINTENANCE INC |
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| Applicant type | C |
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| Location | INDIANAPOLIS, IN |
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| Address | 5601 PROGRESS RD, INDIANAPOLIS, IN, 46241 |
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| Phone | 3172410046 |
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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 | FB4 | 463.82500000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | MO | 468.82500000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.82500000 | | 20K0F3E |
| 2 | 1 | 468.82500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11 S MERIDIAN ST, INDIANAPOLIS, MARION, IN | 39.76700000, -86.15805556 | 217.000 m | | 72.000 m structure / 72.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 38.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 5351 W MINNESOTA ST, INDIANAPOLIS, IN | | 3172410046 |
License history
| Date | File or call sign | Action |
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| 2002-09-22 | KNJK487 | LIEXP |
| 2002-04-26 | KNJK487 | LETAUS |
| 2002-02-25 | KNJK487 | LETRES |
| 2000-11-23 | KNJK487 | LICCNV |
| 1997-04-17 | KNJK487 | AUTHPR |
| 1997-04-17 | KNJK487 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1629375 | 2026-08-02 01:27:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNJK487 | ULS 1629375 | 2026-08-02 01:27:52 |
| Status | E | ULS 1629375 | 2026-08-02 01:27:52 |
| Service | IG | ULS 1629375 | 2026-08-02 01:27:52 |
| Grant Date | 1997-04-17 | ULS 1629375 | 2026-08-02 01:27:52 |
| Expiration Date | 2002-05-19 | ULS 1629375 | 2026-08-02 01:27:52 |
| Cancellation Date | 2002-09-22 | ULS 1629375 | 2026-08-02 01:27:52 |