Universal Licensing System
WPWM300
Sachem Central School District
License details
| ULS identifier | 2469565 |
|---|
| Call sign | WPWM300 |
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| Radio service | MW |
|---|
| Status | E |
|---|
| Grant date | 2012-11-15 |
|---|
| Expiration | 2022-12-18 |
|---|
| Cancellation | 2023-02-18 |
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| Frequency range | 19475 - 19680 MHz (3 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 40.8036944, -73.0709722 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:16 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 17810.00000000 | | | | | |
| 1 | 1 | FXO | 19470.00000000 | | | | | |
| 1 | 7 | FXO | 19475.00000000 | | | | | |
| 1 | 2 | FXO | 19590.00000000 | | | | | |
| 1 | 6 | FXO | 19600.00000000 | | | | | |
| 1 | 4 | FXO | 19680.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 17810.00000000 | | 20M0D7W |
| 1 | 1 | 19470.00000000 | | 20M0D7W |
| 1 | 7 | 19475.00000000 | | 47M1D7W |
| 1 | 2 | 19590.00000000 | | 20M0D7W |
| 1 | 6 | 19600.00000000 | | 36M7D7W |
| 1 | 4 | 19680.00000000 | | 36M7D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 97 Patchogue-Holbrook Rd., Lake Ronkoma, SUFFOLK, NY | 40.82036111, -73.09388889 | 39.000 m | POLE | 30.200 m structure / 30.200 m overall | |
| 2 | R | | 40.83611111, -73.10000000 | 54.900 m | | | |
| 3 | R | | 40.81236111, -73.08219444 | 38.100 m | | | |
| 4 | R | | 40.82327778, -73.07961111 | 41.100 m | | | |
| 6 | R | | 40.79122222, -73.04541667 | 22.600 m | | | |
| 7 | R | | 40.80369444, -73.07097222 | 29.900 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 | 343.6000 | | |
| 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 | | | |
| 1 | 6 | R | DragonWave A-ANT-18G-2-C | | | 38.6000 | | | |
| 1 | 7 | R | Radio Waves HP2-18 | | | 38.6000 | | | |
| 2 | 1 | T | Radio Waves HP2-18 | | V | 38.6000 | 132.0000 | | |
| 2 | 2 | R | DragonWave A-ANT-18G-2-C | | | 38.6000 | | | |
| 3 | 1 | T | Radio Waves HP2-18 | | V | 38.6000 | 74.9000 | | |
| 4 | 1 | T | DragonWave A-ANT-18G-2-C | | V | 38.6000 | 343.6000 | | |
| 6 | 1 | T | DragonWave A-ANT-18G-2-C | | H | 38.6000 | 128.4000 | | |
| 7 | 1 | T | Radio Waves HP2-18 | | V | 38.6000 | 133.8000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 51 School Street, Lake Ronkonkoma, NY | SUFFOLK | 6314711725 |
License history
| Date | File or call sign | Action |
|---|
| 2023-02-18 | WPWM300 | LIEXP |
| 2022-12-08 | WPWM300 | ESURNW |
| 2022-11-18 | WPWM300 | ESURNW |
| 2022-09-26 | WPWM300 | LETRES |
| 2014-07-23 | WPWM300 | LIMOD |
| 2014-07-10 | WPWM300 | ESUAPR |
| 2014-06-13 | WPWM300 | LIAUA |
| 2014-06-12 | WPWM300 | ESUAPR |
| 2012-11-15 | WPWM300 | LIREN |
| 2012-10-19 | WPWM300 | ESURNW |
| 2012-09-24 | WPWM300 | LETRES |
| 2012-09-19 | WPWM300 | ESURNW |
| 2010-09-02 | WPWM300 | LIMOD |
| 2010-08-17 | WPWM300 | ESUAPR |
| 2010-07-16 | WPWM300 | LIMOD |
| 2010-07-01 | WPWM300 | ESUAPR |
| 2007-04-05 | WPWM300 | LIAUA |
| 2007-04-04 | WPWM300 | ESUAPR |
| 2004-03-15 | WPWM300 | LETCNS |
| 2002-12-18 | WPWM300 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2469565 | 2026-08-02 02:48:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWM300 | ULS 2469565 | 2026-08-02 02:48:16 |
| Status | E | ULS 2469565 | 2026-08-02 02:48:16 |
| Service | MW | ULS 2469565 | 2026-08-02 02:48:16 |
| Grant Date | 2012-11-15 | ULS 2469565 | 2026-08-02 02:48:16 |
| Expiration Date | 2022-12-18 | ULS 2469565 | 2026-08-02 02:48:16 |
| Cancellation Date | 2023-02-18 | ULS 2469565 | 2026-08-02 02:48:16 |