Universal Licensing System
WPMJ920
COMTRONICS CORPORATION
License details
| ULS identifier | 1927166 |
|---|
| Call sign | WPMJ920 |
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| Radio service | YI |
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| Status | T |
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| Grant date | 2003-08-16 |
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| Expiration | 2013-08-17 |
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| Cancellation | 2011-02-22 |
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| Frequency range | 896.95 - 900.4125 MHz (3 frequencies) |
|---|
| Locations | 3 |
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| Representative location | MARSHFIELD, PLYMOUTH, MA |
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| Coordinates | 42.1112222, -70.7044722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:02 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FX1 | 896.95000000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO | 896.95000000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | FX1 | 899.38750000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO | 899.38750000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | FX1 | 900.41250000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO | 900.41250000 | | | 30.000000 | 30.000000 | |
| 1 | 1 | FB4C | 935.95000000 | | | 150.000000 | 500.000000 | |
| 1 | 1 | FB4C | 938.38750000 | | | 150.000000 | 500.000000 | |
| 1 | 1 | FB4C | 939.41250000 | | | 150.000000 | 500.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 896.95000000 | | 13K6F3E |
| 3 | 1 | 896.95000000 | | 13K6F3E |
| 2 | 1 | 899.38750000 | | 13K6F3E |
| 3 | 1 | 899.38750000 | | 13K6F3E |
| 2 | 1 | 900.41250000 | | 13K6F3E |
| 3 | 1 | 900.41250000 | | 13K6F3E |
| 1 | 1 | 935.95000000 | | 13K6F3E |
| 1 | 1 | 938.38750000 | | 13K6F3E |
| 1 | 1 | 939.41250000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 117 GROVE ST E WATD SITE, MARSHFIELD, PLYMOUTH, MA | 42.11122222, -70.70447222 | 31.000 m | TOWER | 139.000 m structure / 140.000 m overall | N |
| 2 | T | MA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 140.000 m | | | | 158.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 16 W MILL ST, MEDFIELD, MA | | 5083597291 |
License history
| Date | File or call sign | Action |
|---|
| 2011-02-22 | WPMJ920 | LITERM |
| 2006-09-11 | WPMJ920 | LIMOD |
| 2006-08-21 | WPMJ920 | ESUAPR |
| 2005-03-08 | WPMJ920 | LIASS |
| 2005-02-25 | WPMJ920 | ESCAPR |
| 2005-02-24 | WPMJ920 | LTSFRN |
| 2003-08-16 | WPMJ920 | LIREN |
| 2003-05-27 | WPMJ920 | LETRES |
| 2000-11-24 | WPMJ920 | LICCNV |
| 1998-08-17 | WPMJ920 | AUTHPR |
| 1998-08-17 | WPMJ920 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1927166 | 2026-08-02 01:14:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMJ920 | ULS 1927166 | 2026-08-02 01:14:02 |
| Status | T | ULS 1927166 | 2026-08-02 01:14:02 |
| Service | YI | ULS 1927166 | 2026-08-02 01:14:02 |
| Grant Date | 2003-08-16 | ULS 1927166 | 2026-08-02 01:14:02 |
| Expiration Date | 2013-08-17 | ULS 1927166 | 2026-08-02 01:14:02 |
| Cancellation Date | 2011-02-22 | ULS 1927166 | 2026-08-02 01:14:02 |