Universal Licensing System
WPWM297
Sachem Central School District
License details
| ULS identifier | 2469562 |
|---|
| Call sign | WPWM297 |
|---|
| Radio service | MW |
|---|
| Status | E |
|---|
| Grant date | 2012-11-15 |
|---|
| Expiration | 2022-12-18 |
|---|
| Cancellation | 2023-02-18 |
|---|
| Frequency range | 19490 - 19650 MHz (3 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | Holdbrook, SUFFOLK, NY |
|---|
| Coordinates | 40.7885000, -73.0693611 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:48:15 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 19490.00000000 | | | | | |
| 1 | 2 | FXO | 19570.00000000 | | | | | |
| 1 | 1 | FXO | 19650.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 19490.00000000 | | 20M0D7W |
| 1 | 2 | 19570.00000000 | | 20M0D7W |
| 1 | 1 | 19650.00000000 | | 20M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1090 Broadway Ave., Holdbrook, SUFFOLK, NY | 40.78850000, -73.06936111 | 25.000 m | POLE | 30.200 m structure / 30.200 m overall | |
| 2 | R | | 40.78686111, -73.07650000 | 25.300 m | | | |
| 3 | R | | 40.77927778, -73.09675000 | 22.900 m | | | |
| 4 | R | | 40.80261111, -73.04777778 | 27.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Radio Waves Hp2-18 | | V | 38.6000 | 253.2000 | | |
| 1 | 2 | R | Radio Waves HP2-18 | | | 38.6000 | | | |
| 1 | 3 | R | Radio Waves HP2-18 | | | 38.6000 | | | |
| 1 | 4 | R | Radio Waves HP2-18 | | | 38.6000 | | | |
| 2 | 1 | T | Radio Waves HP2-18 | | V | 38.6000 | 246.1000 | | |
| 3 | 1 | T | Radio Waves HP2-18 | | V | 38.6000 | 49.3000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1111 Waverly Ave., Holtsville, NY | SUFFOLK | 6316548716 |
| 2 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-02-18 | WPWM297 | LIEXP |
| 2022-12-08 | WPWM297 | ESURNW |
| 2022-11-18 | WPWM297 | ESURNW |
| 2022-09-26 | WPWM297 | LETRES |
| 2012-11-15 | WPWM297 | LIREN |
| 2012-10-19 | WPWM297 | ESURNW |
| 2012-09-24 | WPWM297 | LETRES |
| 2012-09-19 | WPWM297 | ESURNW |
| 2007-04-05 | WPWM297 | LIAUA |
| 2007-04-04 | WPWM297 | ESUAPR |
| 2004-03-15 | WPWM297 | LETCNS |
| 2002-12-18 | WPWM297 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2469562 | 2026-08-02 02:48:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWM297 | ULS 2469562 | 2026-08-02 02:48:15 |
| Status | E | ULS 2469562 | 2026-08-02 02:48:15 |
| Service | MW | ULS 2469562 | 2026-08-02 02:48:15 |
| Grant Date | 2012-11-15 | ULS 2469562 | 2026-08-02 02:48:15 |
| Expiration Date | 2022-12-18 | ULS 2469562 | 2026-08-02 02:48:15 |
| Cancellation Date | 2023-02-18 | ULS 2469562 | 2026-08-02 02:48:15 |