Universal Licensing System
WPTC435
IBM Research and Development Inc.
License details
| ULS identifier | 2347085 |
|---|
| Call sign | WPTC435 |
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| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2011-06-02 |
|---|
| Expiration | 2021-08-28 |
|---|
| Cancellation | 2021-10-30 |
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| Frequency range | 462.325 - 467.325 MHz (2 frequencies) |
|---|
| Locations | 3 |
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| Representative location | NORTH READING, MIDDLESEX, MA |
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| Coordinates | 42.5548056, -71.1345000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:46 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 462.32500000 | | | 25.000000 | 30.000000 | |
| 3 | 1 | MO | 462.32500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FX1 | 467.32500000 | | | 10.000000 | 10.000000 | |
| 3 | 1 | MO | 467.32500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.32500000 | | 11K2F3E |
| 3 | 1 | 462.32500000 | | 11K2F3E |
| 2 | 1 | 467.32500000 | | 11K2F3E |
| 3 | 1 | 467.32500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 400 RIVER PARK DRIVE, NORTH READING, MIDDLESEX, MA | 42.55480556, -71.13450000 | 20.000 m | BANT | 30.000 m structure / 32.000 m overall | |
| 2 | T | MA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 32.000 m | | | | 20.800 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2070 RT 52, HOPEWELL JCT, NY | DUTCHESS | 8458944049 |
License history
| Date | File or call sign | Action |
|---|
| 2021-10-30 | WPTC435 | LIEXP |
| 2021-06-07 | WPTC435 | LETRES |
| 2020-04-29 | WPTC435 | LIAUA |
| 2014-07-04 | WPTC435 | LIMOD |
| 2014-07-03 | WPTC435 | ESUAPR |
| 2012-10-03 | WPTC435 | LIMOD |
| 2012-07-11 | WPTC435 | ESUAPR |
| 2011-06-02 | WPTC435 | LIREN |
| 2008-08-16 | WPTC435 | LIAUA |
| 2008-08-15 | WPTC435 | ESUAPR |
| 2007-03-07 | WPTC435 | LIAUA |
| 2007-03-06 | WPTC435 | ESUAPR |
| 2002-05-28 | WPTC435 | LETCNS |
| 2002-03-07 | WPTC435 | LIAUA |
| 2001-08-28 | WPTC435 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2347085 | 2026-08-02 01:13:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTC435 | ULS 2347085 | 2026-08-02 01:13:46 |
| Status | E | ULS 2347085 | 2026-08-02 01:13:46 |
| Service | IG | ULS 2347085 | 2026-08-02 01:13:46 |
| Grant Date | 2011-06-02 | ULS 2347085 | 2026-08-02 01:13:46 |
| Expiration Date | 2021-08-28 | ULS 2347085 | 2026-08-02 01:13:46 |
| Cancellation Date | 2021-10-30 | ULS 2347085 | 2026-08-02 01:13:46 |