Universal Licensing System
WQDB446
Duke University Health System
License details
| ULS identifier | 2733492 |
|---|
| Call sign | WQDB446 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2015-06-26 |
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| Expiration | 2025-07-13 |
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| Cancellation | 2025-09-13 |
|---|
| Frequency range | 72.1 - 72.4 MHz (16 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Durham, DURHAM, NC |
|---|
| Coordinates | 36.0062778, -78.9396944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:05 |
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Licensee
| Name | Duke University Health System |
|---|
| Applicant type | C |
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| FRN | 0013678685 |
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| Location | Durham, NC |
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| Address | Erwin Road, Durham, NC, 27710 |
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| Phone | 9199543390 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 72.10000000 | | | 1.000000 | 1.000000 | |
| 2 | 1 | FXO | 72.12000000 | | | 60.000000 | 45.000000 | |
| 3 | 1 | MO | 72.12000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.14000000 | | | 1.000000 | 1.000000 | |
| 4 | 1 | MO | 72.14000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.16000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.18000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.20000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.22000000 | | | 1.000000 | 1.000000 | |
| 4 | 1 | MO | 72.22000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.24000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.26000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.28000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.30000000 | | | 1.000000 | 1.000000 | |
| 4 | 1 | MO | 72.30000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.32000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.34000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.34000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.36000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.38000000 | | | 1.000000 | 1.000000 | |
| 4 | 1 | MO | 72.38000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.40000000 | | | 1.000000 | 1.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 72.10000000 | | 20K0F1D |
| 2 | 1 | 72.12000000 | | 20K0F1D |
| 3 | 1 | 72.12000000 | | 20K0F1D |
| 3 | 1 | 72.14000000 | | 20K0F1D |
| 4 | 1 | 72.14000000 | | 20K0F1D |
| 3 | 1 | 72.16000000 | | 20K0F1D |
| 3 | 1 | 72.18000000 | | 20K0F1D |
| 3 | 1 | 72.20000000 | | 20K0F1D |
| 3 | 1 | 72.22000000 | | 20K0F1D |
| 4 | 1 | 72.22000000 | | 20K0F1D |
| 3 | 1 | 72.24000000 | | 20K0F1D |
| 3 | 1 | 72.26000000 | | 20K0F1D |
| 3 | 1 | 72.28000000 | | 20K0F1D |
| 3 | 1 | 72.30000000 | | 20K0F1D |
| 4 | 1 | 72.30000000 | | 20K0F1D |
| 3 | 1 | 72.32000000 | | 20K0F1D |
| 3 | 1 | 72.34000000 | | 20K0F1D |
| 3 | 1 | 72.34000000 | | 20K0F1D |
| 3 | 1 | 72.36000000 | | 20K0F1D |
| 3 | 1 | 72.38000000 | | 20K0F1D |
| 4 | 1 | 72.38000000 | | 20K0F1D |
| 3 | 1 | 72.40000000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | T | 0621 Duke Hospital N, Durham, DURHAM, NC | 36.00700000, -78.93850000 | 119.000 m | BMAST | 36.600 m structure / 40.200 m overall | N |
| 3 | T | Durham, DURHAM, NC | 36.00627778, -78.93969444 | | | | N |
| 4 | T | Durham, DURHAM, NC | 36.00472222, -78.93691667 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | 40.200 m | | | | 37.100 | |
| 1 | 3 | | | | | | | | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 0621 Duke Hospital North, Durham, NC | DURHAM | 9196845989 |
| 3 | Erwin Road, Durham, NC | DURHAM | 9196814192 |
| 4 | Science Drive Extension, Durham, NC | DURHAM | 9196814192 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-13 | WQDB446 | LIEXP |
| 2016-09-14 | WQDB446 | PNLISR |
| 2016-09-14 | WQDB446 | LETTRS |
| 2016-05-10 | WQDB446 | LETCNS |
| 2015-08-06 | WQDB446 | LIMOD |
| 2015-08-05 | WQDB446 | LTSAPR |
| 2015-08-04 | WQDB446 | LTSAPR |
| 2015-06-26 | WQDB446 | LIREN |
| 2015-04-20 | WQDB446 | LETRES |
| 2008-05-30 | WQDB446 | LIMOD |
| 2008-04-28 | WQDB446 | LTSAPR |
| 2005-07-13 | WQDB446 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2733492 | 2026-08-02 01:26:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDB446 | ULS 2733492 | 2026-08-02 01:26:05 |
| Status | E | ULS 2733492 | 2026-08-02 01:26:05 |
| Service | IG | ULS 2733492 | 2026-08-02 01:26:05 |
| Grant Date | 2015-06-26 | ULS 2733492 | 2026-08-02 01:26:05 |
| Expiration Date | 2025-07-13 | ULS 2733492 | 2026-08-02 01:26:05 |
| Cancellation Date | 2025-09-13 | ULS 2733492 | 2026-08-02 01:26:05 |