Universal Licensing System
WNDP638
DUNCAN AVIATION INC.
License details
| ULS identifier | 1649870 |
|---|
| Call sign | WNDP638 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2022-10-11 |
|---|
| Expiration | 2032-09-26 |
|---|
| Frequency range | 451.775 - 469.975 MHz (12 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | BATTLE CREEK, CALHOUN, MI |
|---|
| Coordinates | 42.3011389, -85.2547222 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:08:34 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | MO | 451.77500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 451.87500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 452.07500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 452.97500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 461.22500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 461.65000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 461.70000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 461.97500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 463.60000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 464.15000000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 464.97500000 | | | 12.000000 | 24.000000 | |
| 2 | 1 | FB2 | 464.97500000 | | | 30.000000 | 47.000000 | |
| 3 | 1 | MO | 464.97500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO | 464.97500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO | 469.97500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO | 469.97500000 | | | 30.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 451.77500000 | | 11K0F3E |
| 4 | 1 | 451.87500000 | | 11K0F3E |
| 4 | 1 | 452.07500000 | | 11K0F3E |
| 4 | 1 | 452.97500000 | | 11K0F3E |
| 4 | 1 | 461.22500000 | | 11K0F3E |
| 4 | 1 | 461.65000000 | | 11K0F3E |
| 4 | 1 | 461.70000000 | | 11K0F3E |
| 4 | 1 | 461.97500000 | | 11K0F3E |
| 4 | 1 | 463.60000000 | | 11K0F3E |
| 4 | 1 | 464.15000000 | | 11K0F3E |
| 1 | 1 | 464.97500000 | | 11K0F3E |
| 2 | 1 | 464.97500000 | | 11K0F3E |
| 3 | 1 | 464.97500000 | | 11K0F3E |
| 3 | 1 | 464.97500000 | | 11K0F3E |
| 3 | 1 | 469.97500000 | | 11K0F3E |
| 3 | 1 | 469.97500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 15745 S AIRPORT RD, BATTLE CREEK, CALHOUN, MI | 42.30113889, -85.25472222 | 285.000 m | BANT | 15.000 m structure / 18.000 m overall | N |
| 2 | T | 5605 PORTAGE RD, KALAMAZOO, KALAMAZOO, MI | 42.23227778, -85.55972222 | 266.000 m | BANT | 5.000 m structure / 9.000 m overall | N |
| 3 | T | | | | | | |
| 4 | T | BATTLE CREEK, CALHOUN, MI | 42.30113889, -85.25472222 | 0.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | 28.000 | |
| 1 | 2 | T | | 9.000 m | | | | 8.600 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 15745 S AIRPORT RD, BATTLE CREEK, MI | CALHOUN | 6169698400 |
License history
| Date | File or call sign | Action |
|---|
| 2022-10-11 | WNDP638 | LIREN |
| 2012-10-24 | WNDP638 | LIMOD |
| 2012-08-06 | WNDP638 | LTSAPR |
| 2012-08-04 | WNDP638 | LIREN |
| 2012-07-02 | WNDP638 | LETRES |
| 2012-03-22 | WNDP638 | LTSAPR |
| 2003-05-27 | WNDP638 | LITIN |
| 2003-01-27 | WNDP638 | LETCNS |
| 2002-09-26 | WNDP638 | LIREN |
| 2002-09-25 | WNDP638 | LITIN |
| 2002-06-24 | WNDP638 | LETRES |
| 2002-04-30 | WNDP638 | LIMOD |
| 2001-09-17 | WNDP638 | AUDOPR |
| 2000-11-23 | WNDP638 | LICCNV |
| 1999-02-12 | WNDP638 | AUTHPR |
| 1999-02-12 | WNDP638 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1649870 | 2026-08-02 01:08:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNDP638 | ULS 1649870 | 2026-08-02 01:08:34 |
| Status | A | ULS 1649870 | 2026-08-02 01:08:34 |
| Service | IG | ULS 1649870 | 2026-08-02 01:08:34 |
| Grant Date | 2022-10-11 | ULS 1649870 | 2026-08-02 01:08:34 |
| Expiration Date | 2032-09-26 | ULS 1649870 | 2026-08-02 01:08:34 |