Universal Licensing System
WPKF819
License details
| ULS identifier | 1785123 |
|---|---|
| Call sign | WPKF819 |
| Radio service | IG |
| Status | A |
| Grant date | 2022-02-14 |
| Expiration | 2032-02-08 |
| Frequency range | 451.675 - 469.825 MHz (26 frequencies) |
| Locations | 1 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:11:55 |
Licensee
| Name | JOHNS HOPKINS UNIVERSITY |
|---|---|
| Applicant type | C |
| FRN | 0002161057 |
| Location | BALTIMORE, MD |
| Address | 3400 N CHARLES ST, BALTIMORE, MD, 21218 |
| Phone | 4105167021 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FB | 154.54000000 | 2.000000 | 2.000000 | |||
| 4 | 1 | MO | 154.54000000 | 25.000000 | 25.000000 | |||
| 1 | 1 | FB2 | 451.67500000 | 45.000000 | 45.000000 | |||
| 2 | 1 | MO | 451.67500000 | 5.000000 | 5.000000 | |||
| 8 | 1 | FB2 | 451.67500000 | 45.000000 | 45.000000 | |||
| 11 | 1 | MO | 451.67500000 | 10.000000 | 10.000000 | |||
| 8 | 1 | FB2 | 452.15000000 | 45.000000 | 45.000000 | |||
| 11 | 2 | MO | 452.15000000 | 10.000000 | 10.000000 | |||
| 9 | 1 | FB2 | 452.36250000 | 45.000000 | 45.000000 | |||
| 12 | 1 | MO | 452.36250000 | 10.000000 | 10.000000 | |||
| 9 | 1 | FB2 | 453.01250000 | 45.000000 | 45.000000 | |||
| 12 | 1 | MO | 453.01250000 | 10.000000 | 10.000000 | |||
| 2 | 1 | MO | 456.67500000 | 5.000000 | 5.000000 | |||
| 3 | 1 | FX1 | 456.67500000 | 25.000000 | 25.000000 | |||
| 11 | 1 | MO | 456.67500000 | 10.000000 | 10.000000 | |||
| 11 | 2 | MO | 456.67500000 | 10.000000 | 10.000000 | |||
| 3 | 1 | FX1 | 457.15000000 | 25.000000 | 25.000000 | |||
| 11 | 2 | MO | 457.15000000 | 10.000000 | 10.000000 | |||
| 3 | 1 | FX1 | 457.36250000 | 25.000000 | 25.000000 | |||
| 12 | 1 | MO | 457.36250000 | 10.000000 | 10.000000 | |||
| 3 | 1 | FX1 | 458.01250000 | 25.000000 | 25.000000 | |||
| 12 | 1 | MO | 458.01250000 | 10.000000 | 10.000000 | |||
| 7 | 1 | FB2 | 461.20000000 | 45.000000 | 45.000000 | |||
| 10 | 1 | MO | 461.20000000 | 10.000000 | 10.000000 | |||
| 5 | 2 | FB2 | 461.38750000 | 45.000000 | 45.000000 | |||
| 13 | 1 | MO | 461.38750000 | 10.000000 | 10.000000 | |||
| 5 | 2 | FB2 | 461.53750000 | 45.000000 | 45.000000 | |||
| 13 | 1 | MO | 461.53750000 | 10.000000 | 10.000000 | |||
| 9 | 1 | FB2 | 461.71250000 | 25.000000 | 25.000000 | |||
| 12 | 1 | MO | 461.71250000 | 25.000000 | 25.000000 | |||
| 7 | 1 | FB2 | 461.90000000 | 45.000000 | 45.000000 | |||
| 10 | 1 | MO | 461.90000000 | 10.000000 | 10.000000 | |||
| 5 | 1 | FB2 | 462.27500000 | 45.000000 | 45.000000 | |||
| 14 | 1 | MO | 462.27500000 | 25.000000 | 25.000000 | |||
| 7 | 1 | FB2 | 463.31250000 | 45.000000 | 45.000000 | |||
| 10 | 1 | MO | 463.31250000 | 10.000000 | 10.000000 | |||
| 5 | 1 | FB2 | 463.92500000 | 40.000000 | 40.000000 | |||
| 6 | 1 | MO | 463.92500000 | 5.000000 | 5.000000 | |||
| 1 | 1 | FB2 | 464.47500000 | 25.000000 | 25.000000 | |||
| 4 | 1 | MO | 464.47500000 | 25.000000 | 25.000000 | |||
| 5 | 2 | FB2 | 464.57500000 | 45.000000 | 45.000000 | |||
| 13 | 1 | MO | 464.77500000 | 25.000000 | 25.000000 | |||
| 1 | 1 | FB2 | 464.82500000 | 25.000000 | 25.000000 | |||
| 4 | 1 | MO | 464.82500000 | 25.000000 | 25.000000 | |||
| 8 | 1 | FB2 | 464.82500000 | 45.000000 | 45.000000 | |||
| 11 | 1 | MO | 464.82500000 | 10.000000 | 10.000000 | |||
| 3 | 1 | FX1 | 466.20000000 | 25.000000 | 25.000000 | |||
| 10 | 1 | MO | 466.20000000 | 10.000000 | 10.000000 | |||
| 3 | 1 | FX1 | 466.38750000 | 25.000000 | 25.000000 | |||
| 13 | 1 | MO | 466.38750000 | 10.000000 | 10.000000 | |||
| 3 | 1 | FX1 | 466.53750000 | 25.000000 | 25.000000 | |||
| 13 | 1 | MO | 466.53750000 | 10.000000 | 10.000000 | |||
| 3 | 1 | FX1 | 466.71250000 | 25.000000 | 25.000000 | |||
| 12 | 1 | MO | 466.71250000 | 25.000000 | 25.000000 | |||
| 3 | 1 | FX1 | 466.90000000 | 25.000000 | 25.000000 | |||
| 10 | 1 | MO | 466.90000000 | 10.000000 | 10.000000 | |||
| 14 | 1 | MO | 467.27500000 | 25.000000 | 25.000000 | |||
| 3 | 1 | FX1 | 468.31250000 | 25.000000 | 25.000000 | |||
| 10 | 1 | MO | 468.31250000 | 10.000000 | 10.000000 | |||
| 3 | 1 | FX1 | 468.92500000 | 25.000000 | 25.000000 | |||
| 6 | 1 | MO | 468.92500000 | 5.000000 | 5.000000 | |||
| 3 | 1 | FX1 | 469.47500000 | 25.000000 | 25.000000 | |||
| 4 | 1 | MO | 469.47500000 | 25.000000 | 25.000000 | |||
| 13 | 1 | MO | 469.77500000 | 25.000000 | 25.000000 | |||
| 3 | 1 | FX1 | 469.82500000 | 25.000000 | 25.000000 | |||
| 4 | 1 | MO | 469.82500000 | 25.000000 | 25.000000 | |||
| 11 | 1 | MO | 469.82500000 | 10.000000 | 10.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 154.54000000 | 11K2F3E | |
| 1 | 1 | 154.54000000 | 7K60FXE | |
| 1 | 1 | 154.54000000 | 11K2F2D | |
| 4 | 1 | 154.54000000 | 11K2F2D | |
| 4 | 1 | 154.54000000 | 7K60FXE | |
| 4 | 1 | 154.54000000 | 11K2F3E | |
| 1 | 1 | 451.67500000 | 7K60FXE | |
| 1 | 1 | 451.67500000 | 11K2F2D | |
| 1 | 1 | 451.67500000 | 11K2F3E | |
| 2 | 1 | 451.67500000 | 11K2F3E | |
| 2 | 1 | 451.67500000 | 7K60FXE | |
| 8 | 1 | 451.67500000 | 11K2F3E | |
| 8 | 1 | 451.67500000 | 7K60FXE | |
| 11 | 1 | 451.67500000 | 7K60FXE | |
| 11 | 1 | 451.67500000 | 11K2F3E | |
| 8 | 1 | 452.15000000 | 11K2F3E | |
| 8 | 1 | 452.15000000 | 7K60FXE | |
| 11 | 2 | 452.15000000 | 11K2F3E | |
| 11 | 2 | 452.15000000 | 7K60FXE | |
| 9 | 1 | 452.36250000 | 11K2F3E | |
| 9 | 1 | 452.36250000 | 7K60FXE | |
| 12 | 1 | 452.36250000 | 7K60FXE | |
| 12 | 1 | 452.36250000 | 11K2F3E | |
| 9 | 1 | 453.01250000 | 11K2F3E | |
| 9 | 1 | 453.01250000 | 7K60FXE | |
| 12 | 1 | 453.01250000 | 7K60FXE | |
| 12 | 1 | 453.01250000 | 11K2F3E | |
| 2 | 1 | 456.67500000 | 11K2F3E | |
| 2 | 1 | 456.67500000 | 7K60FXE | |
| 3 | 1 | 456.67500000 | 11K2F3E | |
| 3 | 1 | 456.67500000 | 7K60FXE | |
| 11 | 1 | 456.67500000 | 7K60FXE | |
| 11 | 1 | 456.67500000 | 11K2F3E | |
| 11 | 2 | 456.67500000 | 11K2F3E | |
| 3 | 1 | 457.15000000 | 7K60FXE | |
| 3 | 1 | 457.15000000 | 11K2F3E | |
| 11 | 2 | 457.15000000 | 11K2F3E | |
| 11 | 2 | 457.15000000 | 7K60FXE | |
| 3 | 1 | 457.36250000 | 11K2F3E | |
| 3 | 1 | 457.36250000 | 7K60FXE | |
| 12 | 1 | 457.36250000 | 7K60FXE | |
| 12 | 1 | 457.36250000 | 11K2F3E | |
| 3 | 1 | 458.01250000 | 7K60FXE | |
| 3 | 1 | 458.01250000 | 11K2F3E | |
| 12 | 1 | 458.01250000 | 7K60FXE | |
| 12 | 1 | 458.01250000 | 11K2F3E | |
| 7 | 1 | 461.20000000 | 11K2F3E | |
| 7 | 1 | 461.20000000 | 7K60FXE | |
| 10 | 1 | 461.20000000 | 7K60FXE | |
| 10 | 1 | 461.20000000 | 11K2F3E | |
| 5 | 2 | 461.38750000 | 11K2F3E | |
| 5 | 2 | 461.38750000 | 7K60FXE | |
| 13 | 1 | 461.38750000 | 11K2F3E | |
| 13 | 1 | 461.38750000 | 7K60FXE | |
| 5 | 2 | 461.53750000 | 7K60FXE | |
| 5 | 2 | 461.53750000 | 11K2F3E | |
| 13 | 1 | 461.53750000 | 7K60FXE | |
| 13 | 1 | 461.53750000 | 11K2F3E | |
| 9 | 1 | 461.71250000 | 11K2F2D | |
| 9 | 1 | 461.71250000 | 11K2F3E | |
| 9 | 1 | 461.71250000 | 7K60FXE | |
| 12 | 1 | 461.71250000 | 7K60FXE | |
| 12 | 1 | 461.71250000 | 11K2F3E | |
| 12 | 1 | 461.71250000 | 11K2F2D | |
| 7 | 1 | 461.90000000 | 11K2F3E | |
| 7 | 1 | 461.90000000 | 7K60FXE | |
| 10 | 1 | 461.90000000 | 11K2F3E | |
| 10 | 1 | 461.90000000 | 7K60FXE | |
| 5 | 1 | 462.27500000 | 11K2F3E | |
| 5 | 1 | 462.27500000 | 7K60FXE | |
| 14 | 1 | 462.27500000 | 7K60FXE | |
| 14 | 1 | 462.27500000 | 11K2F3E | |
| 7 | 1 | 463.31250000 | 11K2F3E | |
| 7 | 1 | 463.31250000 | 7K60FXE | |
| 10 | 1 | 463.31250000 | 7K60FXE | |
| 10 | 1 | 463.31250000 | 11K2F3E | |
| 5 | 1 | 463.92500000 | 7K60FXE | |
| 5 | 1 | 463.92500000 | 11K2F3E | |
| 5 | 1 | 463.92500000 | 11K2F2D | |
| 6 | 1 | 463.92500000 | 11K2F2D | |
| 6 | 1 | 463.92500000 | 11K2F3E | |
| 6 | 1 | 463.92500000 | 7K60FXE | |
| 1 | 1 | 464.47500000 | 7K60FXE | |
| 1 | 1 | 464.47500000 | 11K2F2D | |
| 1 | 1 | 464.47500000 | 11K2F3E | |
| 4 | 1 | 464.47500000 | 11K2F2D | |
| 4 | 1 | 464.47500000 | 11K2F3E | |
| 4 | 1 | 464.47500000 | 7K60FXE | |
| 5 | 2 | 464.57500000 | 11K2F3E | |
| 5 | 2 | 464.57500000 | 7K60FXE | |
| 13 | 1 | 464.77500000 | 7K60FXE | |
| 13 | 1 | 464.77500000 | 11K2F3E | |
| 1 | 1 | 464.82500000 | 7K60FXE | |
| 1 | 1 | 464.82500000 | 11K2F3E | |
| 1 | 1 | 464.82500000 | 11K2F2D | |
| 4 | 1 | 464.82500000 | 11K2F3E | |
| 4 | 1 | 464.82500000 | 7K60FXE | |
| 4 | 1 | 464.82500000 | 11K2F2D | |
| 8 | 1 | 464.82500000 | 11K2F3E | |
| 8 | 1 | 464.82500000 | 7K60FXE | |
| 11 | 1 | 464.82500000 | 7K60FXE | |
| 11 | 1 | 464.82500000 | 11K2F3E | |
| 3 | 1 | 466.20000000 | 11K2F3E | |
| 3 | 1 | 466.20000000 | 7K60FXE | |
| 10 | 1 | 466.20000000 | 7K60FXE | |
| 10 | 1 | 466.20000000 | 11K2F3E | |
| 3 | 1 | 466.38750000 | 11K2F3E | |
| 3 | 1 | 466.38750000 | 7K60FXE | |
| 13 | 1 | 466.38750000 | 11K2F3E | |
| 13 | 1 | 466.38750000 | 7K60FXE | |
| 3 | 1 | 466.53750000 | 11K2F3E | |
| 3 | 1 | 466.53750000 | 7K60FXE | |
| 13 | 1 | 466.53750000 | 7K60FXE | |
| 13 | 1 | 466.53750000 | 11K2F3E | |
| 3 | 1 | 466.71250000 | 7K60FXE | |
| 3 | 1 | 466.71250000 | 11K2F3E | |
| 3 | 1 | 466.71250000 | 11K2F2D | |
| 12 | 1 | 466.71250000 | 11K2F2D | |
| 12 | 1 | 466.71250000 | 7K60FXE | |
| 12 | 1 | 466.71250000 | 11K2F3E | |
| 3 | 1 | 466.90000000 | 11K2F3E | |
| 3 | 1 | 466.90000000 | 7K60FXE | |
| 10 | 1 | 466.90000000 | 7K60FXE | |
| 10 | 1 | 466.90000000 | 11K2F3E | |
| 14 | 1 | 467.27500000 | 7K60FXE | |
| 14 | 1 | 467.27500000 | 11K2F3E | |
| 3 | 1 | 468.31250000 | 11K2F3E | |
| 3 | 1 | 468.31250000 | 7K60FXE | |
| 10 | 1 | 468.31250000 | 7K60FXE | |
| 10 | 1 | 468.31250000 | 11K2F3E | |
| 3 | 1 | 468.92500000 | 11K2F3E | |
| 3 | 1 | 468.92500000 | 7K60FXE | |
| 3 | 1 | 468.92500000 | 11K2F2D | |
| 6 | 1 | 468.92500000 | 11K2F2D | |
| 6 | 1 | 468.92500000 | 7K60FXE | |
| 6 | 1 | 468.92500000 | 11K2F3E | |
| 3 | 1 | 469.47500000 | 11K2F2D | |
| 3 | 1 | 469.47500000 | 7K60FXE | |
| 3 | 1 | 469.47500000 | 11K2F3E | |
| 4 | 1 | 469.47500000 | 7K60FXE | |
| 4 | 1 | 469.47500000 | 11K2F3E | |
| 4 | 1 | 469.47500000 | 11K2F2D | |
| 13 | 1 | 469.77500000 | 7K60FXE | |
| 13 | 1 | 469.77500000 | 11K2F3E | |
| 3 | 1 | 469.82500000 | 7K60FXE | |
| 3 | 1 | 469.82500000 | 11K2F3E | |
| 3 | 1 | 469.82500000 | 11K2F2D | |
| 4 | 1 | 469.82500000 | 11K2F3E | |
| 4 | 1 | 469.82500000 | 11K2F2D | |
| 4 | 1 | 469.82500000 | 7K60FXE | |
| 11 | 1 | 469.82500000 | 7K60FXE | |
| 11 | 1 | 469.82500000 | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 3400 N CHARLES ST SRIVER, BALTIMORE, MD | 39.32788889, -76.62136111 | 60.000 m | B | 17.000 m structure / 17.000 m overall | N |
| 2 | T | BALTIMORE, BALTIMORE CITY, MD | 39.32788889, -76.62136111 | N | |||
| 3 | T | MD | |||||
| 4 | T | ||||||
| 5 | T | 3100 WYMAN PARK DR, BALTIMORE, BALTIMORE CITY, MD | 39.32602778, -76.62508333 | 60.000 m | B | 18.300 m structure / 18.300 m overall | N |
| 6 | T | N | |||||
| 7 | T | 3910 KESWICK RD, BALTIMORE, BALTIMORE CITY, MD | 39.33555556, -76.62908333 | 98.300 m | BANT | 24.000 m structure / 24.500 m overall | N |
| 8 | T | 3400 NORTH CHARLES STREET, BALTIMORE, BALTIMORE CITY, MD | 39.32830556, -76.61730556 | 68.800 m | BANT | 24.000 m structure / 25.000 m overall | N |
| 9 | T | 1101 E 33RD ST, BALTIMORE, BALTIMORE CITY, MD | 39.32819444, -76.60061111 | 61.000 m | B | 18.300 m structure / 18.300 m overall | N |
| 10 | N | ||||||
| 11 | N | ||||||
| 12 | N | ||||||
| 13 | N | ||||||
| 14 | T | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 17.000 m | 3.000 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | |||||||
| 1 | 4 | T | |||||||
| 1 | 5 | 13.700 m | 6.0000 | 360.0000 | -0.900 | ||||
| 1 | 6 | ||||||||
| 1 | 7 | T | 24.500 m | 37.600 | |||||
| 1 | 8 | T | 25.000 m | 16.200 | |||||
| 1 | 9 | T | 13.700 m | 8.800 | |||||
| 1 | 10 | T | |||||||
| 1 | 11 | T | |||||||
| 1 | 12 | T | |||||||
| 1 | 13 | T | |||||||
| 1 | 14 | T | |||||||
| 2 | 5 | T | 13.700 m | -0.900 | |||||
| 2 | 11 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 3400 N CHARLES ST SHRIVER HALL, BALTIMORE, MD | BALTIMORE | 4105164600 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2022-02-14 | WPKF819 | LIREN |
| 2021-11-15 | WPKF819 | LETRES |
| 2016-09-07 | WPKF819 | LETCNS |
| 2015-12-02 | WPKF819 | LIMOD |
| 2013-06-11 | WPKF819 | LETCNS |
| 2012-09-10 | WPKF819 | LIMOD |
| 2012-01-25 | WPKF819 | LTSAPR |
| 2012-01-25 | WPKF819 | LIREN |
| 2011-11-14 | WPKF819 | LETRES |
| 2004-11-01 | WPKF819 | LETCNS |
| 2004-02-03 | WPKF819 | LIMOD |
| 2001-12-19 | WPKF819 | LIREN |
| 2001-11-13 | WPKF819 | LETRES |
| 2001-10-18 | WPKF819 | AUDOPR |
| 2000-11-23 | WPKF819 | LICCNV |
| 1999-09-30 | WPKF819 | LIMOD |
| 1999-09-30 | WPKF819 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1785123 | 2026-08-02 01:11:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPKF819 | ULS 1785123 | 2026-08-02 01:11:55 |
| Status | A | ULS 1785123 | 2026-08-02 01:11:55 |
| Service | IG | ULS 1785123 | 2026-08-02 01:11:55 |
| Grant Date | 2022-02-14 | ULS 1785123 | 2026-08-02 01:11:55 |
| Expiration Date | 2032-02-08 | ULS 1785123 | 2026-08-02 01:11:55 |