Universal Licensing System
WPJS392
ROTOREX
License details
| ULS identifier | 1784850 |
|---|
| Call sign | WPJS392 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 1996-10-02 |
|---|
| Expiration | 2001-10-02 |
|---|
| Cancellation | 2002-03-03 |
|---|
| Frequency range | 464.525 - 469.925 MHz (9 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | WALKERSVILLE, FREDERICK, MD |
|---|
| Coordinates | 39.4626111, -77.3805278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:36 |
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Licensee
| Name | ROTOREX |
|---|
| Applicant type | C |
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| Location | FREDERICK, MD |
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| Address | FREDERICK, MD, 217011003 |
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| Phone | 3018987011 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 464.52500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 464.52500000 | | | 40.000000 | | |
| 1 | 1 | FB2 | 464.67500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 464.67500000 | | | 40.000000 | | |
| 1 | 1 | FB2 | 464.77500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 464.77500000 | | | 40.000000 | | |
| 1 | 1 | FB2 | 464.92500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 464.92500000 | | | 40.000000 | | |
| 3 | 1 | MO | 469.26250000 | | | 2.000000 | | |
| 2 | 1 | FX1 | 469.52500000 | | | 40.000000 | | |
| 3 | 1 | MO | 469.52500000 | | | 40.000000 | | |
| 2 | 1 | FX1 | 469.67500000 | | | 40.000000 | | |
| 3 | 1 | MO | 469.67500000 | | | 40.000000 | | |
| 2 | 1 | FX1 | 469.77500000 | | | 40.000000 | | |
| 3 | 1 | MO | 469.77500000 | | | 40.000000 | | |
| 2 | 1 | FX1 | 469.92500000 | | | 40.000000 | | |
| 3 | 1 | MO | 469.92500000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.52500000 | | 20K0F3E |
| 3 | 1 | 464.52500000 | | 20K0F3E |
| 1 | 1 | 464.67500000 | | 20K0F3E |
| 3 | 1 | 464.67500000 | | 20K0F3E |
| 1 | 1 | 464.77500000 | | 20K0F3E |
| 3 | 1 | 464.77500000 | | 20K0F3E |
| 1 | 1 | 464.92500000 | | 20K0F3E |
| 3 | 1 | 464.92500000 | | 20K0F3E |
| 3 | 1 | 469.26250000 | | 11K2F3E |
| 2 | 1 | 469.52500000 | | 20K0F3E |
| 3 | 1 | 469.52500000 | | 20K0F3E |
| 2 | 1 | 469.67500000 | | 20K0F3E |
| 3 | 1 | 469.67500000 | | 20K0F3E |
| 2 | 1 | 469.77500000 | | 20K0F3E |
| 3 | 1 | 469.77500000 | | 20K0F3E |
| 2 | 1 | 469.92500000 | | 20K0F3E |
| 3 | 1 | 469.92500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 8301B RETREAT RD, WALKERSVILLE, FREDERICK, MD | 39.46261111, -77.38052778 | 90.000 m | B | 12.000 m structure / 15.000 m overall | N |
| 2 | T | MD | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | -46.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8301B RETREAT RD, WALKERSVILLE, MD | | 3018987011 |
License history
| Date | File or call sign | Action |
|---|
| 2002-03-03 | WPJS392 | LIEXP |
| 2001-10-19 | WPJS392 | LETAUS |
| 2001-07-09 | WPJS392 | LETRES |
| 2000-11-23 | WPJS392 | LICCNV |
| 1998-03-20 | WPJS392 | LIMOD |
| 1998-03-20 | WPJS392 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1784850 | 2026-08-02 01:26:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPJS392 | ULS 1784850 | 2026-08-02 01:26:36 |
| Status | E | ULS 1784850 | 2026-08-02 01:26:36 |
| Service | IG | ULS 1784850 | 2026-08-02 01:26:36 |
| Grant Date | 1996-10-02 | ULS 1784850 | 2026-08-02 01:26:36 |
| Expiration Date | 2001-10-02 | ULS 1784850 | 2026-08-02 01:26:36 |
| Cancellation Date | 2002-03-03 | ULS 1784850 | 2026-08-02 01:26:36 |