Universal Licensing System
KLH421
DUKE UNIVERSITY
License details
| ULS identifier | 1768207 |
|---|
| Call sign | KLH421 |
|---|
| Radio service | IG |
|---|
| Status | C |
|---|
| Grant date | 2003-01-07 |
|---|
| Expiration | 2013-02-24 |
|---|
| Cancellation | 2012-12-13 |
|---|
| Frequency range | 157.74 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | DURHAM, DURHAM, NC |
|---|
| Coordinates | 36.0012500, -78.9400000 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:09:04 |
|---|
Licensee
| Name | DUKE UNIVERSITY |
|---|
| Applicant type | C |
|---|
| FRN | 0001954791 |
|---|
| Location | DURHAM, NC |
|---|
| Address | BOX 3186, DURHAM, NC, 27710 |
|---|
| Phone | 9196842430 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 157.74000000 | | | 120.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 157.74000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ERWIN RD, DURHAM, DURHAM, NC | 36.00125000, -78.94000000 | 91.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | | | 9196842430 |
License history
| Date | File or call sign | Action |
|---|
| 2012-12-14 | KLH421 | LICAN |
| 2012-12-03 | KLH421 | LETRES |
| 2003-01-07 | KLH421 | LIREN |
| 2002-12-02 | KLH421 | LETRES |
| 2001-10-01 | KLH421 | AUDOPR |
| 2000-11-23 | KLH421 | LICCNV |
| 1998-01-16 | KLH421 | AUTHPR |
| 1998-01-13 | KLH421 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1768207 | 2026-08-02 01:09:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KLH421 | ULS 1768207 | 2026-08-02 01:09:04 |
| Status | C | ULS 1768207 | 2026-08-02 01:09:04 |
| Service | IG | ULS 1768207 | 2026-08-02 01:09:04 |
| Grant Date | 2003-01-07 | ULS 1768207 | 2026-08-02 01:09:04 |
| Expiration Date | 2013-02-24 | ULS 1768207 | 2026-08-02 01:09:04 |
| Cancellation Date | 2012-12-13 | ULS 1768207 | 2026-08-02 01:09:04 |