Universal Licensing System
WPLZ553
COMTRONICS CORPORATION
License details
| ULS identifier | 1927101 |
|---|
| Call sign | WPLZ553 |
|---|
| Radio service | YI |
|---|
| Status | T |
|---|
| Grant date | 2003-04-22 |
|---|
| Expiration | 2013-04-24 |
|---|
| Cancellation | 2011-02-22 |
|---|
| Frequency range | 896.925 - 939.3875 MHz (8 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | NEEDHAM, NORFOLK, MA |
|---|
| Coordinates | 42.3034444, -71.2183889 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:14:01 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FX1 | 896.92500000 | | | 30.000000 | 60.000000 | |
| 3 | 1 | MO | 896.92500000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | FX1 | 897.90000000 | | | 30.000000 | 60.000000 | |
| 3 | 1 | MO | 897.90000000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | FX1 | 899.41250000 | | | 30.000000 | 60.000000 | |
| 3 | 1 | MO | 899.41250000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | FX1 | 900.38750000 | | | 30.000000 | 60.000000 | |
| 3 | 1 | MO | 900.38750000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB4C | 935.92500000 | | | 150.000000 | 500.000000 | |
| 3 | 1 | MO | 935.92500000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB4C | 936.90000000 | | | 150.000000 | 500.000000 | |
| 3 | 1 | MO | 936.90000000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.41250000 | | | 150.000000 | 500.000000 | |
| 3 | 1 | MO | 938.41250000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB4C | 939.38750000 | | | 150.000000 | 500.000000 | |
| 3 | 1 | MO | 939.38750000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 896.92500000 | | 13K6F3E |
| 3 | 1 | 896.92500000 | | 13K6F3E |
| 2 | 1 | 897.90000000 | | 13K6F3E |
| 3 | 1 | 897.90000000 | | 13K6F3E |
| 2 | 1 | 899.41250000 | | 13K6F3E |
| 3 | 1 | 899.41250000 | | 13K6F3E |
| 2 | 1 | 900.38750000 | | 13K6F3E |
| 3 | 1 | 900.38750000 | | 13K6F3E |
| 1 | 1 | 935.92500000 | | 13K6F3E |
| 3 | 1 | 935.92500000 | | 13K6F3E |
| 1 | 1 | 936.90000000 | | 13K6F3E |
| 3 | 1 | 936.90000000 | | 13K6F3E |
| 1 | 1 | 938.41250000 | | 13K6F3E |
| 3 | 1 | 938.41250000 | | 13K6F3E |
| 1 | 1 | 939.38750000 | | 13K6F3E |
| 3 | 1 | 939.38750000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 140 141 CABOT RD, NEEDHAM, NORFOLK, MA | 42.30344444, -71.21838889 | 45.000 m | TOWER | 366.000 m structure / 366.000 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 | | 275.000 m | | | | 277.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 34 TOPALIAN ST, MATTAPAN, MA | | 6172960290 |
License history
| Date | File or call sign | Action |
|---|
| 2011-02-22 | WPLZ553 | LITERM |
| 2006-09-11 | WPLZ553 | LIMOD |
| 2006-08-21 | WPLZ553 | ESUAPR |
| 2005-02-23 | WPLZ553 | LIASS |
| 2005-02-16 | WPLZ553 | LTSAPR |
| 2003-04-22 | WPLZ553 | LIREN |
| 2003-01-27 | WPLZ553 | LETRES |
| 2000-11-24 | WPLZ553 | LICCNV |
| 1998-04-24 | WPLZ553 | LIISS |
| 1998-04-24 | WPLZ553 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1927101 | 2026-08-02 01:14:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPLZ553 | ULS 1927101 | 2026-08-02 01:14:01 |
| Status | T | ULS 1927101 | 2026-08-02 01:14:01 |
| Service | YI | ULS 1927101 | 2026-08-02 01:14:01 |
| Grant Date | 2003-04-22 | ULS 1927101 | 2026-08-02 01:14:01 |
| Expiration Date | 2013-04-24 | ULS 1927101 | 2026-08-02 01:14:01 |
| Cancellation Date | 2011-02-22 | ULS 1927101 | 2026-08-02 01:14:01 |