Universal Licensing System
KNIA577
MECHANICAL SYSTEMS INC
License details
| ULS identifier | 1627181 |
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| Call sign | KNIA577 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2004-08-16 |
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| Expiration | 2014-05-10 |
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| Cancellation | 2014-07-12 |
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| Frequency range | 463.7 - 468.7 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | BENTON, POLK, TN |
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| Coordinates | 35.1917500, -84.5591111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:37 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB2 | 463.70000000 | | | 75.000000 | 22.000000 | |
| 3 | 1 | MO | 463.70000000 | | | 100.000000 | | |
| 1 | 1 | FX1 | 468.70000000 | | | 30.000000 | | |
| 3 | 1 | MO | 468.70000000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 463.70000000 | | 20K0F3E |
| 3 | 1 | 463.70000000 | | 20K0F3E |
| 1 | 1 | 468.70000000 | | 20K0F3E |
| 3 | 1 | 468.70000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TN | | | | | |
| 2 | T | ATOP BEAN MOUNTAIN, BENTON, POLK, TN | 35.19175000, -84.55911111 | 908.000 m | | 8.000 m structure / 8.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 43.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 446 MARKET ST, CHARLESTON, TN | | 6153365739 |
License history
| Date | File or call sign | Action |
|---|
| 2014-07-12 | KNIA577 | LIEXP |
| 2014-02-17 | KNIA577 | LETRES |
| 2004-08-16 | KNIA577 | LIREN |
| 2004-05-03 | KNIA577 | LTSAPR |
| 2004-02-17 | KNIA577 | LETRES |
| 2001-10-16 | KNIA577 | AUDOPR |
| 2000-11-23 | KNIA577 | LICCNV |
| 1999-05-24 | KNIA577 | AUTHPR |
| 1999-05-24 | KNIA577 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1627181 | 2026-08-02 01:11:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNIA577 | ULS 1627181 | 2026-08-02 01:11:37 |
| Status | E | ULS 1627181 | 2026-08-02 01:11:37 |
| Service | IG | ULS 1627181 | 2026-08-02 01:11:37 |
| Grant Date | 2004-08-16 | ULS 1627181 | 2026-08-02 01:11:37 |
| Expiration Date | 2014-05-10 | ULS 1627181 | 2026-08-02 01:11:37 |
| Cancellation Date | 2014-07-12 | ULS 1627181 | 2026-08-02 01:11:37 |