Universal Licensing System
WQNB817
UNITED THERAPEUTICS CORPORATION
License details
| ULS identifier | 3251110 |
|---|
| Call sign | WQNB817 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2020-11-11 |
|---|
| Expiration | 2030-12-07 |
|---|
| Frequency range | 451.1 - 469.025 MHz (8 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | DURHAM, DURHAM, NC |
|---|
| Coordinates | 35.9183333, -78.8738889 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-16 06:55:44 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 6 | 1 | FB2 | 451.10000000 | | | 45.000000 | 45.000000 | |
| 7 | 1 | MO | 451.10000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FB2 | 451.25000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO | 451.25000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.41250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.53750000 | | | 4.000000 | 4.000000 | |
| 7 | 1 | MO | 456.10000000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 456.25000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.41250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 464.02500000 | | | 100.000000 | 100.000000 | |
| 5 | 1 | MO | 464.02500000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 469.02500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 6 | 1 | 451.10000000 | | 7K60FXE |
| 6 | 1 | 451.10000000 | | 7K60FXD |
| 7 | 1 | 451.10000000 | | 7K60FXD |
| 7 | 1 | 451.10000000 | | 7K60FXE |
| 2 | 1 | 451.25000000 | | 7K60FXE |
| 2 | 1 | 451.25000000 | | 7K60FXD |
| 4 | 1 | 451.25000000 | | 7K60FXD |
| 4 | 1 | 451.25000000 | | 7K60FXE |
| 1 | 1 | 451.31250000 | | 11K2F3E |
| 1 | 1 | 451.41250000 | | 11K2F3E |
| 1 | 1 | 451.53750000 | | 11K2F3E |
| 7 | 1 | 456.10000000 | | 7K60FXD |
| 7 | 1 | 456.10000000 | | 7K60FXE |
| 4 | 1 | 456.25000000 | | 7K60FXD |
| 4 | 1 | 456.25000000 | | 7K60FXE |
| 1 | 1 | 456.31250000 | | 11K2F3E |
| 1 | 1 | 456.41250000 | | 11K2F3E |
| 3 | 1 | 464.02500000 | | 7K60FXD |
| 3 | 1 | 464.02500000 | | 7K60FXE |
| 5 | 1 | 464.02500000 | | 7K60FXD |
| 5 | 1 | 464.02500000 | | 7K60FXE |
| 5 | 1 | 469.02500000 | | 7K60FXE |
| 5 | 1 | 469.02500000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | DURHAM, DURHAM, NC | 35.91386111, -78.87783333 | | | | |
| 2 | T | 55 TW ALEXANDER DRIVE, RESEARCH TRIANGLE PA, DURHAM, NC | 35.91444444, -78.87636111 | 96.000 m | B | 18.200 m structure / 21.300 m overall | N |
| 3 | T | 2 MAUGHAN DRIVE, RESEARCH TRIANGLE PA, DURHAM, NC | 35.90716667, -78.87319444 | 101.000 m | B | 18.200 m structure / 21.300 m overall | N |
| 4 | T | | | | | | N |
| 5 | T | | | | | | N |
| 6 | T | 3024 EAST CORNWALLIS ROAD, DURHAM, DURHAM, NC | 35.91833333, -78.87388889 | 96.000 m | UPOLE | 12.100 m structure / 13.700 m overall | N |
| 7 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 21.300 m | | | | 9.800 | |
| 1 | 3 | T | | 21.300 m | | | | 14.900 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | 13.700 m | | | | 1.800 | |
| 1 | 7 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 55 TW ALEXANDER DR, DURHAM, NC | DURHAM | 9194258803 |
License history
| Date | File or call sign | Action |
|---|
| 2021-10-13 | WQNB817 | LETCNS |
| 2021-01-08 | WQNB817 | LIMOD |
| 2020-11-11 | WQNB817 | LIREN |
| 2020-09-14 | WQNB817 | LETRES |
| 2015-08-04 | WQNB817 | LETCNS |
| 2014-11-03 | WQNB817 | LIMOD |
| 2011-09-07 | WQNB817 | LETCNS |
| 2010-12-07 | WQNB817 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3251110 | 2026-08-16 06:55:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQNB817 | ULS 3251110 | 2026-08-16 06:55:44 |
| Status | A | ULS 3251110 | 2026-08-16 06:55:44 |
| Service | IG | ULS 3251110 | 2026-08-16 06:55:44 |
| Grant Date | 2020-11-11 | ULS 3251110 | 2026-08-16 06:55:44 |
| Expiration Date | 2030-12-07 | ULS 3251110 | 2026-08-16 06:55:44 |