Universal Licensing System
WPZL302
Challenger Transportation Inc.
License details
| ULS identifier | 2581805 |
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| Call sign | WPZL302 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2004-02-04 |
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| Expiration | 2014-02-04 |
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| Cancellation | 2014-04-12 |
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| Frequency range | 461.3 - 466.3 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | Rockville, MONTGOMERY, MD |
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| Coordinates | 39.0851111, -77.1571111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:47 |
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Licensee
| Name | Challenger Transportation Inc. |
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| Applicant type | C |
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| FRN | 0009254962 |
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| Location | Gaithersburg, MD |
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| Address | 19817 Cochrane Way, Gaithersburg, MD, 20879 |
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| Phone | 2408763542 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.30000000 | | | 100.000000 | 300.000000 | |
| 2 | 1 | MO | 461.30000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 466.30000000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | FX1 | 466.30000000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.30000000 | | 20K0F3E |
| 2 | 1 | 461.30000000 | | 20K0F3E |
| 2 | 1 | 466.30000000 | | 20K0F3E |
| 3 | 1 | 466.30000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 51 Monroe Street, Rockville, MONTGOMERY, MD | 39.08511111, -77.15711111 | 140.800 m | BPOLE | 72.500 m structure / 75.500 m overall | |
| 2 | T | Rockville, MONTGOMERY, MD | 39.08511111, -77.15711111 | | | | |
| 3 | T | MONTGOMERY, MD | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 75.500 m | H | 0.0000 | 360.0000 | 107.600 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8210 Beechcraft Ave, Gaithersburg, MD | MONTGOMERY | 3019909000 |
License history
| Date | File or call sign | Action |
|---|
| 2014-04-12 | WPZL302 | LIEXP |
| 2013-11-11 | WPZL302 | LETRES |
| 2012-10-24 | WPZL302 | LTSAPR |
| 2012-10-23 | WPZL302 | LIAUA |
| 2004-11-08 | WPZL302 | LETCNS |
| 2004-02-04 | WPZL302 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2581805 | 2026-08-02 01:16:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPZL302 | ULS 2581805 | 2026-08-02 01:16:47 |
| Status | E | ULS 2581805 | 2026-08-02 01:16:47 |
| Service | IG | ULS 2581805 | 2026-08-02 01:16:47 |
| Grant Date | 2004-02-04 | ULS 2581805 | 2026-08-02 01:16:47 |
| Expiration Date | 2014-02-04 | ULS 2581805 | 2026-08-02 01:16:47 |
| Cancellation Date | 2014-04-12 | ULS 2581805 | 2026-08-02 01:16:47 |