Universal Licensing System
WPPX416
DUNCAN MECHANICAL INC
License details
| ULS identifier | 1821432 |
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| Call sign | WPPX416 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2000-02-28 |
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| Expiration | 2005-02-28 |
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| Cancellation | 2005-04-30 |
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| Frequency range | 452.425 - 457.425 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | ERWIN, UNICOI, TN |
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| Coordinates | 36.1503889, -82.4170833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:02 |
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Licensee
| Name | DUNCAN MECHANICAL INC |
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| Applicant type | C |
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| Location | ERWIN, TN |
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| Address | ERWIN, TN, 37650 |
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| Phone | 4257437712 |
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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 | 452.42500000 | | | 40.000000 | 60.000000 | |
| 3 | 1 | MO | 452.42500000 | | | 40.000000 | | |
| 2 | 1 | FX1 | 457.42500000 | | | 40.000000 | | |
| 3 | 1 | MO | 457.42500000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.42500000 | | 11K2F3E |
| 3 | 1 | 452.42500000 | | 11K2F3E |
| 2 | 1 | 457.42500000 | | 11K2F3E |
| 3 | 1 | 457.42500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 507 JONESBOROUGH HWY, ERWIN, UNICOI, TN | 36.15038889, -82.41708333 | 502.000 m | UPOLE | 9.000 m structure / 11.000 m overall | N |
| 2 | T | TN | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | -181.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 507 JONESBOROUGH HWY, ERWIN, TN | | 4237437712 |
License history
| Date | File or call sign | Action |
|---|
| 2005-04-30 | WPPX416 | LIEXP |
| 2004-12-06 | WPPX416 | LETRES |
| 2001-09-17 | WPPX416 | AUDOPR |
| 2000-11-23 | WPPX416 | LICCNV |
| 2000-02-28 | WPPX416 | LIISS |
| 2000-02-28 | WPPX416 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1821432 | 2026-08-02 01:27:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPX416 | ULS 1821432 | 2026-08-02 01:27:02 |
| Status | E | ULS 1821432 | 2026-08-02 01:27:02 |
| Service | IG | ULS 1821432 | 2026-08-02 01:27:02 |
| Grant Date | 2000-02-28 | ULS 1821432 | 2026-08-02 01:27:02 |
| Expiration Date | 2005-02-28 | ULS 1821432 | 2026-08-02 01:27:02 |
| Cancellation Date | 2005-04-30 | ULS 1821432 | 2026-08-02 01:27:02 |