Universal Licensing System
WPQX803
BACKLINK IV, LLC
License details
| ULS identifier | 1306362 |
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| Call sign | WPQX803 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2000-11-15 |
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| Expiration | 2010-11-15 |
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| Cancellation | 2002-06-26 |
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| Frequency range | 19520 - 21475 MHz (5 frequencies) |
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| Locations | 1 |
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| Coordinates | 42.3491667, -71.0747222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-09 15:43:33 |
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Licensee
| Name | BACKLINK IV, LLC |
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| Applicant type | L |
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| Location | Herndon, VA |
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| Address | 460 Herndon Parkway, Suite 100, Herndon, VA, 20170 |
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| Phone | 7033264650 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FXO | 19520.00000000 | | | | | |
| 1 | 2 | FXO | 19600.00000000 | | | | | |
| 1 | 5 | FXO | 19640.00000000 | | | | | |
| 1 | 3 | FXO | 19680.00000000 | | | | | |
| 1 | 1 | FXO | 21475.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 19520.00000000 | | 28M0D7W |
| 1 | 2 | 19600.00000000 | | 40M0F7W |
| 1 | 5 | 19640.00000000 | | 28M0D7W |
| 1 | 3 | 19680.00000000 | | 40M0F7W |
| 1 | 1 | 21475.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 101 Merrimac St., Boston, SUFFOLK, MA | 42.36386111, -71.06194444 | 5.500 m | BPOLE | 52.700 m structure / 52.700 m overall | |
| 2 | R | | 42.36425000, -71.06308333 | 5.800 m | | | |
| 3 | R | | 42.36488889, -71.05788889 | 5.500 m | | | |
| 4 | R | | 42.36208333, -71.06216667 | 10.100 m | | | |
| 5 | R | | 42.34916667, -71.07472222 | 5.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Radio Waves Inc. HPLP1.5-23 | | V | 37.8000 | 294.7000 | | |
| 1 | 2 | R | Radio Waves Inc. HPLP1.5-23 | | | 37.8000 | | | |
| 1 | 3 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 4 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 5 | R | Radio Waves Inc. HPD2-18 | | | 38.4000 | | | |
| 2 | 1 | T | Radio Waves Inc. HP2-18 | | V | 39.0000 | 71.1000 | | |
| 2 | 5 | R | Radio Waves Inc. HPD2-18 | | | 38.4000 | | | |
| 3 | 1 | T | Radio Waves Inc. HP2-18 | | V | 39.0000 | 185.3000 | | |
| 4 | 1 | T | Radio Waves Inc. HPD2-18 | | V | 38.4000 | 212.8000 | | |
| 5 | 1 | T | Radio Waves Inc. HPD2-18 | | H | 38.4000 | 212.8000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPQX803 | LICAN |
| 2002-06-25 | WPQX803 | LIASS |
| 2001-09-07 | WPQX803 | LIASS |
| 2001-09-06 | WPQX803 | LITRAN |
| 2001-05-21 | WPQX803 | LIMOD |
| 2000-11-15 | WPQX803 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1306362 | 2026-08-09 15:43:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPQX803 | ULS 1306362 | 2026-08-09 15:43:33 |
| Status | C | ULS 1306362 | 2026-08-09 15:43:33 |
| Service | CF | ULS 1306362 | 2026-08-09 15:43:33 |
| Grant Date | 2000-11-15 | ULS 1306362 | 2026-08-09 15:43:33 |
| Expiration Date | 2010-11-15 | ULS 1306362 | 2026-08-09 15:43:33 |
| Cancellation Date | 2002-06-26 | ULS 1306362 | 2026-08-09 15:43:33 |