Universal Licensing System
KNDD298
RESEARCH TRIANGLE INSTITUTE INC
License details
| ULS identifier | 1774608 |
|---|
| Call sign | KNDD298 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2024-06-15 |
|---|
| Expiration | 2034-06-15 |
|---|
| Frequency range | 469.6875 MHz |
|---|
| Locations | 5 |
|---|
| Representative location | DURHAM, DURHAM, NC |
|---|
| Coordinates | 35.9936944, -78.9733333 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:17:29 |
|---|
Licensee
| Name | RESEARCH TRIANGLE INSTITUTE INC |
|---|
| Applicant type | C |
|---|
| FRN | 0011065836 |
|---|
| Location | RESEARCH TRIANGLE PK, NC |
|---|
| Address | 3040 Cornwallis Road, RESEARCH TRIANGLE PK, NC, 27709 |
|---|
| Phone | 9199908332 |
|---|
| Email | [email protected] |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.17500000 | | | 100.000000 | 225.000000 | |
| 2 | 1 | MO | 452.17500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 457.17500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 461.40000000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | FB2 | 461.46250000 | | | 100.000000 | 225.000000 | |
| 2 | 1 | MO | 461.46250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 461.62500000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | FB2 | 463.27500000 | | | 100.000000 | 225.000000 | |
| 3 | 1 | MO | 463.37500000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 463.48750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 463.55000000 | | | 2.000000 | 2.000000 | |
| 5 | 1 | FB2 | 463.61250000 | | | 40.000000 | 80.000000 | |
| 7 | 1 | MO | 463.61250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | FB2 | 463.88750000 | | | 40.000000 | 80.000000 | |
| 6 | 1 | MO | 463.88750000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | FB2 | 464.22500000 | | | 40.000000 | 80.000000 | |
| 6 | 1 | MO | 464.22500000 | | | 5.000000 | 5.000000 | |
| 8 | 1 | FX1 | 464.22500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 464.46250000 | | | 2.000000 | 2.000000 | |
| 5 | 1 | FB2 | 464.68750000 | | | 40.000000 | 80.000000 | |
| 7 | 1 | MO | 464.68750000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | FB2 | 464.71250000 | | | 40.000000 | 80.000000 | |
| 7 | 1 | MO | 464.71250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | FB2 | 464.96250000 | | | 40.000000 | 80.000000 | |
| 6 | 1 | MO | 464.96250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 466.46250000 | | | 4.000000 | 4.000000 | |
| 8 | 1 | FX1 | 466.46250000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 468.21250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 468.27500000 | | | 5.000000 | 5.000000 | |
| 7 | 1 | MO | 468.61250000 | | | 5.000000 | 5.000000 | |
| 8 | 1 | FX1 | 468.61250000 | | | 40.000000 | 40.000000 | |
| 6 | 1 | MO | 468.88750000 | | | 4.000000 | 4.000000 | |
| 8 | 1 | FX1 | 468.88750000 | | | 40.000000 | 40.000000 | |
| 6 | 1 | MO | 469.22500000 | | | 5.000000 | 5.000000 | |
| 7 | 1 | MO | 469.68750000 | | | 4.000000 | 4.000000 | |
| 8 | 1 | FX1 | 469.68750000 | | | 40.000000 | 40.000000 | |
| 7 | 1 | MO | 469.71250000 | | | 5.000000 | 5.000000 | |
| 8 | 1 | FX1 | 469.71250000 | | | 40.000000 | 40.000000 | |
| 6 | 1 | MO | 469.96250000 | | | 5.000000 | 5.000000 | |
| 8 | 1 | FX1 | 469.96250000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.17500000 | | 7K60FXE |
| 1 | 1 | 452.17500000 | | 7K60FXD |
| 2 | 1 | 452.17500000 | | 7K60FXD |
| 2 | 1 | 452.17500000 | | 7K60FXE |
| 2 | 1 | 457.17500000 | | 7K60FXD |
| 2 | 1 | 457.17500000 | | 7K60FXE |
| 3 | 1 | 461.40000000 | | 7K60FXD |
| 3 | 1 | 461.40000000 | | 7K60FXE |
| 1 | 1 | 461.46250000 | | 7K60FXE |
| 1 | 1 | 461.46250000 | | 7K60FXD |
| 2 | 1 | 461.46250000 | | 7K60FXD |
| 2 | 1 | 461.46250000 | | 7K60FXE |
| 3 | 1 | 461.62500000 | | 7K60FXD |
| 3 | 1 | 461.62500000 | | 7K60FXE |
| 1 | 1 | 463.27500000 | | 7K60FXE |
| 1 | 1 | 463.27500000 | | 7K60FXD |
| 3 | 1 | 463.37500000 | | 7K60FXE |
| 3 | 1 | 463.37500000 | | 7K60FXD |
| 3 | 1 | 463.48750000 | | 7K60FXD |
| 3 | 1 | 463.48750000 | | 7K60FXE |
| 3 | 1 | 463.55000000 | | 7K60FXD |
| 3 | 1 | 463.55000000 | | 7K60FXE |
| 5 | 1 | 463.61250000 | | 7K60FXE |
| 5 | 1 | 463.61250000 | | 7K60FXD |
| 7 | 1 | 463.61250000 | | 7K60FXE |
| 7 | 1 | 463.61250000 | | 7K60FXD |
| 4 | 1 | 463.88750000 | | 7K60FXE |
| 4 | 1 | 463.88750000 | | 7K60FXD |
| 6 | 1 | 463.88750000 | | 7K60FXE |
| 6 | 1 | 463.88750000 | | 7K60FXD |
| 4 | 1 | 464.22500000 | | 7K60FXE |
| 4 | 1 | 464.22500000 | | 7K60FXD |
| 6 | 1 | 464.22500000 | | 7K60FXE |
| 6 | 1 | 464.22500000 | | 7K60FXD |
| 8 | 1 | 464.22500000 | | 7K60FXE |
| 8 | 1 | 464.22500000 | | 7K60FXD |
| 3 | 1 | 464.46250000 | | 7K60FXE |
| 3 | 1 | 464.46250000 | | 7K60FXD |
| 5 | 1 | 464.68750000 | | 7K60FXD |
| 5 | 1 | 464.68750000 | | 7K60FXE |
| 7 | 1 | 464.68750000 | | 7K60FXE |
| 7 | 1 | 464.68750000 | | 7K60FXD |
| 5 | 1 | 464.71250000 | | 7K60FXD |
| 5 | 1 | 464.71250000 | | 7K60FXE |
| 7 | 1 | 464.71250000 | | 7K60FXE |
| 7 | 1 | 464.71250000 | | 7K60FXD |
| 4 | 1 | 464.96250000 | | 7K60FXD |
| 4 | 1 | 464.96250000 | | 7K60FXE |
| 6 | 1 | 464.96250000 | | 7K60FXE |
| 6 | 1 | 464.96250000 | | 7K60FXD |
| 2 | 1 | 466.46250000 | | 7K60FXE |
| 2 | 1 | 466.46250000 | | 7K60FXD |
| 8 | 1 | 466.46250000 | | 7K60FXE |
| 8 | 1 | 466.46250000 | | 7K60FXD |
| 3 | 1 | 468.21250000 | | 7K60FXE |
| 3 | 1 | 468.21250000 | | 7K60FXD |
| 2 | 1 | 468.27500000 | | 7K60FXD |
| 2 | 1 | 468.27500000 | | 7K60FXE |
| 7 | 1 | 468.61250000 | | 7K60FXD |
| 7 | 1 | 468.61250000 | | 7K60FXE |
| 8 | 1 | 468.61250000 | | 7K60FXD |
| 8 | 1 | 468.61250000 | | 7K60FXE |
| 6 | 1 | 468.88750000 | | 7K60FXE |
| 6 | 1 | 468.88750000 | | 7K60FXD |
| 8 | 1 | 468.88750000 | | 7K60FXE |
| 8 | 1 | 468.88750000 | | 7K60FXD |
| 6 | 1 | 469.22500000 | | 7K60FXE |
| 6 | 1 | 469.22500000 | | 7K60FXD |
| 7 | 1 | 469.68750000 | | 7K60FXE |
| 7 | 1 | 469.68750000 | | 7K60FXD |
| 8 | 1 | 469.68750000 | | 7K60FXD |
| 8 | 1 | 469.68750000 | | 7K60FXE |
| 7 | 1 | 469.71250000 | | 7K60FXE |
| 7 | 1 | 469.71250000 | | 7K60FXD |
| 8 | 1 | 469.71250000 | | 7K60FXD |
| 8 | 1 | 469.71250000 | | 7K60FXE |
| 6 | 1 | 469.96250000 | | 7K60FXD |
| 6 | 1 | 469.96250000 | | 7K60FXE |
| 8 | 1 | 469.96250000 | | 7K60FXE |
| 8 | 1 | 469.96250000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3040 E CORNWALLIS ROAD, RESEARCH TRIANGLE PK, DURHAM, NC | 35.90658333, -78.86108333 | 106.600 m | B | 18.200 m structure / 24.300 m overall | N |
| 2 | T | | | | | | N |
| 3 | T | | | | | | |
| 4 | | 3021 CORNWALLIS ROAD, DURHAM, DURHAM, NC | 35.99369444, -78.97333333 | 98.000 m | B | 9.100 m structure / 12.100 m overall | N |
| 5 | | STE 100 IMPERIAL COURT BUS PARK/1000 PARLIAMENT COURT, DURHAM, DURHAM, NC | 35.87550000, -78.83872222 | 123.000 m | B | 7.600 m structure / 10.600 m overall | N |
| 6 | | | | | | | N |
| 7 | | | | | | | N |
| 8 | | DURHAM, NC | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.300 m | | | | 22.600 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 12.100 m | | | | -17.400 | |
| 1 | 5 | T | | 10.600 m | | | | 21.000 | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
| 1 | 8 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3040 E CORNWALLIS ROAD, DURHAM, NC | DURHAM | 9199908332 |
License history
| Date | File or call sign | Action |
|---|
| 2024-06-15 | KNDD298 | LIREN |
| 2024-03-25 | KNDD298 | LETRES |
| 2014-06-03 | KNDD298 | LETCNS |
| 2014-03-26 | KNDD298 | LIREN |
| 2014-03-24 | KNDD298 | LETRES |
| 2013-08-29 | KNDD298 | LIMOD |
| 2011-07-12 | KNDD298 | LETCNS |
| 2010-10-13 | KNDD298 | LIMOD |
| 2006-05-22 | KNDD298 | LETCNS |
| 2005-08-23 | KNDD298 | LIMOD |
| 2004-06-11 | KNDD298 | LTSFRN |
| 2004-06-10 | KNDD298 | ESCAPR |
| 2004-03-22 | KNDD298 | LETRES |
| 2001-10-29 | KNDD298 | AUDOPR |
| 2000-11-23 | KNDD298 | LICCNV |
| 1999-06-15 | KNDD298 | AUTHPR |
| 1999-06-15 | KNDD298 | LIRMD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1774608 | 2026-08-02 01:17:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNDD298 | ULS 1774608 | 2026-08-02 01:17:29 |
| Status | A | ULS 1774608 | 2026-08-02 01:17:29 |
| Service | IG | ULS 1774608 | 2026-08-02 01:17:29 |
| Grant Date | 2024-06-15 | ULS 1774608 | 2026-08-02 01:17:29 |
| Expiration Date | 2034-06-15 | ULS 1774608 | 2026-08-02 01:17:29 |