Universal Licensing System
WPKZ436
DURHAM SCHOOL SERVICES
License details
| ULS identifier | 1785655 |
|---|
| Call sign | WPKZ436 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2012-09-07 |
|---|
| Expiration | 2022-10-17 |
|---|
| Cancellation | 2022-12-17 |
|---|
| Frequency range | 152.345 - 160.155 MHz (4 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:20:26 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 152.34500000 | | | 50.000000 | 75.000000 | |
| 3 | 1 | MO | 157.60500000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | FB | 159.55500000 | | | 50.000000 | 75.000000 | |
| 4 | 1 | MO | 159.55500000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | FB | 160.15500000 | | | 50.000000 | 75.000000 | |
| 3 | 1 | MO | 160.15500000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 152.34500000 | | 11K2F3E |
| 3 | 1 | 157.60500000 | | 11K2F3E |
| 2 | 1 | 159.55500000 | | 11K2F3E |
| 4 | 1 | 159.55500000 | | 11K2F3E |
| 1 | 1 | 160.15500000 | | 11K2F3E |
| 3 | 1 | 160.15500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 647 CROMWELL AVENUE, ROCKY HILL, HARTFORD, CT | 41.65400000, -72.68452778 | 64.000 m | TOWER | 46.000 m structure / 52.000 m overall | N |
| 2 | T | 418 SHORT BEACH ROAD, EAST HAVEN, NEW HAVEN, CT | 41.25980556, -72.87150000 | 3.000 m | B | 23.000 m structure / 26.000 m overall | N |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 52.000 m | | | | 0.000 | |
| 1 | 2 | T | | 26.000 m | | | | 119.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 647 CROMWELL AVE, ROCKY HILL, CT | | 8605633126 |
License history
| Date | File or call sign | Action |
|---|
| 2022-12-17 | WPKZ436 | LIEXP |
| 2022-07-25 | WPKZ436 | LETRES |
| 2012-09-07 | WPKZ436 | LIREN |
| 2012-08-13 | WPKZ436 | ESUFNR |
| 2012-08-13 | WPKZ436 | EFUFNR |
| 2012-08-13 | WPKZ436 | ESUAPR |
| 2012-08-13 | WPKZ436 | EFUAPR |
| 2012-07-23 | WPKZ436 | LETRES |
| 2012-06-12 | WPKZ436 | LIAUA |
| 2012-06-11 | WPKZ436 | ESUAPR |
| 2012-05-24 | WPKZ436 | ESUFNR |
| 2008-12-31 | WPKZ436 | LIASS |
| 2008-12-04 | WPKZ436 | ESCAPR |
| 2006-12-15 | WPKZ436 | LITRAN |
| 2004-03-05 | WPKZ436 | AUDOPR |
| 2002-10-24 | WPKZ436 | LIREN |
| 2002-07-22 | WPKZ436 | LETRES |
| 2000-11-23 | WPKZ436 | LICCNV |
| 1999-03-05 | WPKZ436 | LIMOD |
| 1999-03-05 | WPKZ436 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1785655 | 2026-08-02 01:20:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKZ436 | ULS 1785655 | 2026-08-02 01:20:26 |
| Status | E | ULS 1785655 | 2026-08-02 01:20:26 |
| Service | IG | ULS 1785655 | 2026-08-02 01:20:26 |
| Grant Date | 2012-09-07 | ULS 1785655 | 2026-08-02 01:20:26 |
| Expiration Date | 2022-10-17 | ULS 1785655 | 2026-08-02 01:20:26 |
| Cancellation Date | 2022-12-17 | ULS 1785655 | 2026-08-02 01:20:26 |