Universal Licensing System
WHH833
JOHN HOPKINS UNIVERSITY
License details
| ULS identifier | 981796 |
|---|
| Call sign | WHH833 |
|---|
| Radio service | MG |
|---|
| Status | E |
|---|
| Grant date | 2002-11-16 |
|---|
| Expiration | 2012-10-27 |
|---|
| Cancellation | 2012-12-29 |
|---|
| Frequency range | 12310 - 12390 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | BALTIMORE, MD |
|---|
| Coordinates | 39.2995278, -76.5921667 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:42:43 |
|---|
Licensee
| Name | JOHN HOPKINS UNIVERSITY |
|---|
| Applicant type | C |
|---|
| FRN | 0002161057 |
|---|
| Location | BALTIMORE, MD |
|---|
| Address | 210 Maryland Hall, 3400 N. Charles Street, BALTIMORE, MD, 21218 |
|---|
| Phone | 4105168708 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 12310.00000000 | | | | | |
| 1 | 1 | FXO | 12390.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 12310.00000000 | | 18M7F9W |
| 1 | 1 | 12390.00000000 | | 18M7F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TRAYLOR BLDG 720 RUTLAND AVE, BALTIMORE, MD | 39.29952778, -76.59216667 | 27.100 m | | 46.000 m structure / 48.200 m overall | |
| 2 | R | | 39.32813889, -76.61938889 | 70.100 m | | | |
| 3 | R | | 39.28758333, -76.61522222 | 4.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 41.4000 | 323.5000 | | |
| 1 | 2 | R | | | | 41.4000 | | | |
| 1 | 3 | R | | | | 41.4000 | | | |
| 2 | 1 | T | | | V | 41.4000 | 236.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2012-12-29 | WHH833 | LIEXP |
| 2012-08-06 | WHH833 | LETRES |
| 2002-11-16 | WHH833 | LIREN |
| 2002-08-05 | WHH833 | LETRES |
| 2002-07-09 | WHH833 | AUTHPR |
| 2002-07-08 | WHH833 | INTDUP |
| 2002-01-17 | WHH833 | LIAUA |
| 1999-08-13 | WHH833 | LICCNV |
| 1997-08-08 | WHH833 | LIREN |
| 1992-10-27 | WHH833 | LIMOD |
| 1987-08-31 | WHH833 | LIMOD |
| 1983-04-29 | WHH833 | LIMOD |
| 1983-04-14 | WHH833 | LIMOD |
| 1982-08-25 | WHH833 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 981796 | 2026-08-02 02:42:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WHH833 | ULS 981796 | 2026-08-02 02:42:43 |
| Status | E | ULS 981796 | 2026-08-02 02:42:43 |
| Service | MG | ULS 981796 | 2026-08-02 02:42:43 |
| Grant Date | 2002-11-16 | ULS 981796 | 2026-08-02 02:42:43 |
| Expiration Date | 2012-10-27 | ULS 981796 | 2026-08-02 02:42:43 |
| Cancellation Date | 2012-12-29 | ULS 981796 | 2026-08-02 02:42:43 |