Universal Licensing System
WQDF747
License details
| ULS identifier | 2741129 |
|---|---|
| Call sign | WQDF747 |
| Radio service | IG |
| Status | A |
| Grant date | 2025-07-08 |
| Expiration | 2035-08-15 |
| Frequency range | 150.8825 - 159.945 MHz (6 frequencies) |
| Locations | 3 |
| Representative location | NORWALK, FAIRFIELD, CT |
| Coordinates | 41.1344444, -73.4155556 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:20:26 |
Licensee
| Name | DURHAM SCHOOL SERVICES |
|---|---|
| Applicant type | D |
| FRN | 0021789714 |
| Location | WARRENVILLE, IL |
| Address | 4300 WEAVER PKWY, WARRENVILLE, IL, 60555 |
| Phone | 2037839783 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 8 | 1 | MO | 150.88250000 | 45.000000 | 45.000000 | |||
| 1 | 1 | FB | 153.04250000 | 50.000000 | 100.000000 | |||
| 2 | 1 | MO | 153.04250000 | 45.000000 | 45.000000 | |||
| 4 | 1 | MO | 153.13250000 | 45.000000 | 45.000000 | |||
| 6 | 1 | MO | 153.13250000 | 45.000000 | 45.000000 | |||
| 9 | 1 | FX1 | 153.13250000 | 45.000000 | 45.000000 | |||
| 10 | 1 | FB2 | 153.43250000 | 50.000000 | 100.000000 | |||
| 11 | 1 | MO | 153.43250000 | 45.000000 | 45.000000 | |||
| 11 | 1 | MO | 158.21250000 | 45.000000 | 45.000000 | |||
| 12 | 1 | FX1 | 158.21250000 | 45.000000 | 90.000000 | |||
| 7 | 1 | FB2 | 159.70500000 | 45.000000 | 180.000000 | |||
| 8 | 1 | MO | 159.70500000 | 45.000000 | 45.000000 | |||
| 3 | 1 | FB2 | 159.94500000 | 100.000000 | 280.000000 | |||
| 4 | 1 | MO | 159.94500000 | 45.000000 | 45.000000 | |||
| 5 | 1 | FB2 | 159.94500000 | 100.000000 | 280.000000 | |||
| 6 | 1 | MO | 159.94500000 | 45.000000 | 45.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 8 | 1 | 150.88250000 | 7K60FXD | |
| 8 | 1 | 150.88250000 | 11K2F3E | |
| 8 | 1 | 150.88250000 | 7K60FXE | |
| 1 | 1 | 153.04250000 | 7K60FXE | |
| 1 | 1 | 153.04250000 | 11K0F3E | |
| 1 | 1 | 153.04250000 | 7K60FXD | |
| 2 | 1 | 153.04250000 | 7K60FXE | |
| 2 | 1 | 153.04250000 | 11K0F3E | |
| 2 | 1 | 153.04250000 | 7K60FXD | |
| 4 | 1 | 153.13250000 | 7K60FXD | |
| 4 | 1 | 153.13250000 | 7K60FXE | |
| 4 | 1 | 153.13250000 | 11K0F3E | |
| 6 | 1 | 153.13250000 | 11K0F3E | |
| 6 | 1 | 153.13250000 | 7K60FXD | |
| 6 | 1 | 153.13250000 | 7K60FXE | |
| 9 | 1 | 153.13250000 | 11K0F3E | |
| 9 | 1 | 153.13250000 | 7K60FXE | |
| 9 | 1 | 153.13250000 | 7K60FXD | |
| 10 | 1 | 153.43250000 | 11K0F3E | |
| 10 | 1 | 153.43250000 | 7K60FXD | |
| 10 | 1 | 153.43250000 | 7K60FXE | |
| 11 | 1 | 153.43250000 | 11K0F3E | |
| 11 | 1 | 153.43250000 | 7K60FXE | |
| 11 | 1 | 153.43250000 | 7K60FXD | |
| 11 | 1 | 158.21250000 | 11K0F3E | |
| 11 | 1 | 158.21250000 | 7K60FXE | |
| 11 | 1 | 158.21250000 | 7K60FXD | |
| 12 | 1 | 158.21250000 | 7K60FXD | |
| 12 | 1 | 158.21250000 | 7K60FXE | |
| 12 | 1 | 158.21250000 | 11K0F3E | |
| 7 | 1 | 159.70500000 | 7K60FXE | |
| 7 | 1 | 159.70500000 | 11K2F3E | |
| 7 | 1 | 159.70500000 | 7K60FXD | |
| 8 | 1 | 159.70500000 | 7K60FXE | |
| 8 | 1 | 159.70500000 | 11K2F3E | |
| 8 | 1 | 159.70500000 | 7K60FXD | |
| 3 | 1 | 159.94500000 | 11K2F3E | |
| 3 | 1 | 159.94500000 | 7K60FXE | |
| 3 | 1 | 159.94500000 | 7K60FXD | |
| 4 | 1 | 159.94500000 | 7K60FXD | |
| 4 | 1 | 159.94500000 | 11K2F3E | |
| 4 | 1 | 159.94500000 | 7K60FXE | |
| 5 | 1 | 159.94500000 | 11K2F3E | |
| 5 | 1 | 159.94500000 | 7K60FXE | |
| 5 | 1 | 159.94500000 | 7K60FXD | |
| 6 | 1 | 159.94500000 | 7K60FXE | |
| 6 | 1 | 159.94500000 | 11K2F3E | |
| 6 | 1 | 159.94500000 | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 70 CHESTNUT, STRATFORD, FAIRFIELD, CT | 41.15972222, -73.11444444 | 0.000 m | BANT | 9.000 m structure / 11.000 m overall | |
| 2 | T | FAIRFIELD, CT | N | ||||
| 3 | T | 81 SPRING HILL ROAD, TRUMBULL, FAIRFIELD, CT | 41.29325000, -73.24419444 | 99.000 m | BANT | 13.000 m structure / 15.000 m overall | |
| 4 | T | FAIRFIELD, CT | N | ||||
| 5 | T | 6254 MAIN ST., TRUMBULL, FAIRFIELD, CT | 41.26850000, -73.22527778 | 124.000 m | BANT | 9.000 m structure / 11.000 m overall | |
| 6 | T | FAIRFIELD, CT | N | ||||
| 7 | T | 175 HIGH STREET, MILFORD, NEW HAVEN, CT | 41.22394444, -73.06000000 | 19.000 m | BANT | 13.000 m structure / 19.000 m overall | N |
| 8 | T | NEW HAVEN, CT | N | ||||
| 9 | T | FAIRFIELD, CT | N | ||||
| 10 | T | WEST ROCKS MIDDLE SCHOOL, 81 WESTROCKS ROAD, NORWALK, FAIRFIELD, CT | 41.13444444, -73.41555556 | 70.000 m | BPOLE | 7.000 m structure / 13.000 m overall | N |
| 11 | T | FAIRFIELD, CT | N | ||||
| 12 | T | FAIRFIELD, CT | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 11.000 m | -5.000 | ||||||
| 1 | 2 | ||||||||
| 1 | 3 | 15.000 m | 6.000 | ||||||
| 1 | 4 | ||||||||
| 1 | 5 | 11.000 m | 39.000 | ||||||
| 1 | 6 | ||||||||
| 1 | 7 | T | 19.000 m | 5.700 | |||||
| 1 | 8 | ||||||||
| 1 | 9 | T | |||||||
| 1 | 10 | T | 13.000 m | 32.000 | |||||
| 1 | 11 | T | |||||||
| 1 | 12 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 70 CHESTNUT, STRATFORD, CT | FAIRFIELD | 2033780147 |
| 2 | 334 WILSON AVENUE, NORWALK, CT | FAIRFIELD | 2032614330 |
| 3 | 615 PLAINS ROAD, MILFORD, CT | NEW HAVEN | 2037839783 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2025-07-14 | WQDF747 | LITRAN |
| 2025-07-08 | WQDF747 | LIREN |
| 2025-05-19 | WQDF747 | LETRES |
| 2023-02-09 | WQDF747 | LIMOD |
| 2021-04-20 | WQDF747 | LETCNS |
| 2020-07-21 | WQDF747 | LIMOD |
| 2018-08-02 | WQDF747 | LIMOD |
| 2018-05-15 | WQDF747 | LETCNS |
| 2017-08-10 | WQDF747 | LIMOD |
| 2015-08-19 | WQDF747 | LIREN |
| 2015-08-19 | WQDF747 | LIMOD |
| 2015-08-07 | WQDF747 | ESUAPR |
| 2015-05-25 | WQDF747 | LETRES |
| 2012-06-12 | WQDF747 | LTSAPR |
| 2012-06-12 | WQDF747 | LIAUA |
| 2012-05-24 | WQDF747 | ESCFNR |
| 2009-04-09 | WQDF747 | ESCFNR |
| 2006-09-20 | WQDF747 | LETTRS |
| 2006-09-20 | WQDF747 | PNLISR |
| 2006-05-15 | WQDF747 | LETCNS |
| 2005-08-15 | WQDF747 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 2741129 | 2026-08-02 01:20:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WQDF747 | ULS 2741129 | 2026-08-02 01:20:26 |
| Status | A | ULS 2741129 | 2026-08-02 01:20:26 |
| Service | IG | ULS 2741129 | 2026-08-02 01:20:26 |
| Grant Date | 2025-07-08 | ULS 2741129 | 2026-08-02 01:20:26 |
| Expiration Date | 2035-08-15 | ULS 2741129 | 2026-08-02 01:20:26 |