Universal Licensing System
WPZY391
Knape & Vogt
License details
| ULS identifier | 2609457 |
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| Call sign | WPZY391 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2014-01-25 |
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| Expiration | 2024-04-08 |
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| Cancellation | 2024-06-08 |
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| Frequency range | 451.725 - 463.3125 MHz (7 frequencies) |
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| Locations | 2 |
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| Representative location | Grand Rapids, KENT, MI |
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| Coordinates | 42.9733333, -85.6033333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.72500000 | | | 40.000000 | 60.000000 | |
| 2 | 1 | MO | 451.72500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 453.01250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.72500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 458.01250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 461.98750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 462.03750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 463.31250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.72500000 | | 11K0F3E |
| 2 | 1 | 451.72500000 | | 11K0F3E |
| 2 | 1 | 453.01250000 | | 11K0F3E |
| 2 | 1 | 456.72500000 | | 11K0F3E |
| 2 | 1 | 458.01250000 | | 11K0F3E |
| 2 | 1 | 461.98750000 | | 11K0F3E |
| 2 | 1 | 462.03750000 | | 11K0F3E |
| 2 | 1 | 463.31250000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2700 Oak Industrial Dr, Grand Rapids, KENT, MI | 42.97333333, -85.60333333 | 216.400 m | BANT | 15.200 m structure / 18.200 m overall | |
| 2 | T | GRAND RAPIDS, KENT, MI | 42.97333333, -85.60333333 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 18.200 m | | 0.0000 | 0.0000 | 9.300 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2700 Oak Industrial Dr, Grand Rapids, MI | KENT | 6164593311 |
License history
| Date | File or call sign | Action |
|---|
| 2024-06-08 | WPZY391 | LIEXP |
| 2024-01-15 | WPZY391 | LETRES |
| 2014-01-25 | WPZY391 | LIREN |
| 2014-01-24 | WPZY391 | ESCAPR |
| 2014-01-13 | WPZY391 | LETRES |
| 2007-02-28 | WPZY391 | PNLISR |
| 2007-02-28 | WPZY391 | LETTRS |
| 2006-10-23 | WPZY391 | LETCNS |
| 2006-01-19 | WPZY391 | LIMOD |
| 2005-01-10 | WPZY391 | LETCNS |
| 2004-04-08 | WPZY391 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2609457 | 2026-08-02 01:16:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPZY391 | ULS 2609457 | 2026-08-02 01:16:59 |
| Status | E | ULS 2609457 | 2026-08-02 01:16:59 |
| Service | IG | ULS 2609457 | 2026-08-02 01:16:59 |
| Grant Date | 2014-01-25 | ULS 2609457 | 2026-08-02 01:16:59 |
| Expiration Date | 2024-04-08 | ULS 2609457 | 2026-08-02 01:16:59 |
| Cancellation Date | 2024-06-08 | ULS 2609457 | 2026-08-02 01:16:59 |