Universal Licensing System
WPMK497
THREE-WAY COMMUNICATIONS, INC.
License details
| ULS identifier | 1796069 |
|---|
| Call sign | WPMK497 |
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| Radio service | YG |
|---|
| Status | A |
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| Grant date | 2023-08-23 |
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| Expiration | 2033-08-24 |
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| Frequency range | 452.05 - 457.5 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | SHELBURNE, FRANKLIN, MA |
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| Coordinates | 42.6245278, -72.7084167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 452.05000000 | | | 90.000000 | 180.000000 | |
| 1 | 1 | FB6 | 452.50000000 | | | 90.000000 | 180.000000 | |
| 2 | 1 | MO | 457.05000000 | | | 35.000000 | 70.000000 | |
| 2 | 1 | MO | 457.50000000 | | | 35.000000 | 70.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.05000000 | | 11K0F3E |
| 1 | 1 | 452.50000000 | | 11K0F3E |
| 2 | 1 | 457.05000000 | | 11K0F3E |
| 2 | 1 | 457.50000000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PATTEN HILL ROAD, TOP OF HILL, SHELBURNE, FRANKLIN, MA | 42.62452778, -72.70841667 | 427.000 m | B | 8.000 m structure / 14.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | | | | 176.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1000 OLD COUNTY CIRCLE, UNIT 114, WINDSOR LOCKS, CT | HARTFORD | 8606270571 |
License history
| Date | File or call sign | Action |
|---|
| 2023-08-23 | WPMK497 | LIREN |
| 2023-05-29 | WPMK497 | LETRES |
| 2016-03-04 | WPMK497 | LIAUA |
| 2016-03-03 | WPMK497 | ESUAPR |
| 2015-03-13 | WPMK497 | LIMOD |
| 2013-07-10 | WPMK497 | LIREN |
| 2013-06-03 | WPMK497 | LETRES |
| 2010-01-07 | WPMK497 | LIMOD |
| 2003-07-26 | WPMK497 | LIREN |
| 2003-06-02 | WPMK497 | LETRES |
| 2002-05-30 | WPMK497 | LIMOD |
| 2001-12-13 | WPMK497 | AUDOPR |
| 2000-11-23 | WPMK497 | LICCNV |
| 2000-09-21 | WPMK497 | AUTHPR |
| 2000-09-21 | WPMK497 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1796069 | 2026-08-02 01:10:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMK497 | ULS 1796069 | 2026-08-02 01:10:33 |
| Status | A | ULS 1796069 | 2026-08-02 01:10:33 |
| Service | YG | ULS 1796069 | 2026-08-02 01:10:33 |
| Grant Date | 2023-08-23 | ULS 1796069 | 2026-08-02 01:10:33 |
| Expiration Date | 2033-08-24 | ULS 1796069 | 2026-08-02 01:10:33 |