Universal Licensing System
WPKM628
SimplexGrinnell LP
License details
| ULS identifier | 1748756 |
|---|
| Call sign | WPKM628 |
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| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2012-05-24 |
|---|
| Expiration | 2022-04-25 |
|---|
| Cancellation | 2022-06-25 |
|---|
| Frequency range | 464.55 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | US |
|---|
| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:14 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 464.55000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.55000000 | | 7K60FXE |
| 1 | 1 | 464.55000000 | | 11K2F3E |
| 1 | 1 | 464.55000000 | | 8K30F1E |
| 1 | 1 | 464.55000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | US | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 100 SIMPLEX DR, WESTMINSTER, MA | WORCESTER | 5086322500 |
License history
| Date | File or call sign | Action |
|---|
| 2022-06-25 | WPKM628 | LIEXP |
| 2022-01-31 | WPKM628 | LETRES |
| 2012-05-24 | WPKM628 | LIREN |
| 2012-01-30 | WPKM628 | LETRES |
| 2007-06-29 | WPKM628 | LITRAN |
| 2007-06-04 | WPKM628 | ESUAPR |
| 2007-05-30 | WPKM628 | LIASS |
| 2007-04-16 | WPKM628 | LTSAPR |
| 2007-04-12 | WPKM628 | LTSAPR |
| 2002-04-25 | WPKM628 | LIREN |
| 2002-01-28 | WPKM628 | LETRES |
| 2000-11-23 | WPKM628 | LICCNV |
| 1997-04-24 | WPKM628 | LIISS |
| 1997-04-24 | WPKM628 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1748756 | 2026-08-02 01:26:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKM628 | ULS 1748756 | 2026-08-02 01:26:14 |
| Status | E | ULS 1748756 | 2026-08-02 01:26:14 |
| Service | IG | ULS 1748756 | 2026-08-02 01:26:14 |
| Grant Date | 2012-05-24 | ULS 1748756 | 2026-08-02 01:26:14 |
| Expiration Date | 2022-04-25 | ULS 1748756 | 2026-08-02 01:26:14 |
| Cancellation Date | 2022-06-25 | ULS 1748756 | 2026-08-02 01:26:14 |