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Antenna KVA-1
KVA-1 is a short-wave active antenna with a circular pattern designed to receive information from a facsimile and NAVTEX receiver of any type.
Structurally, the antenna housing is made of polyamide. Inside the case is the electronic board of the amplifier. Angle mount and pin mount are made of stainless steel. The pin is made of spring steel. At the base of the antenna there is a conductor with a terminal for grounding the antenna
The KVA-1 antenna can be mounted on a mast, bracket, horizontal surface, or any suitable structure using the supplied mounting kit. To ensure normal operation, the antenna should be raised to the highest possible height and as far away from other antennas and metal objects as possible.
Specifications:
| operating frequency range | 0.08-30MHz |
| polarization | vertical |
| wave resistance | 50 ohm |
| preamp gain | up to 20 dB |
| preamp supply voltage | 6 to 12 volts |
| preamp consumption | 33 to 78 mA |
| recommended supply voltage | 9 volt |
| operating temperature range | от -45 до +55⁰C |
| relative humidity | 95-100 % |
| wind load | working 216 km/h limit 240 km/h |
| ice load (ice density 7 kN/m3) | working 25 limit 25 |
| overall dimensions of the antenna | 1690 x 90 mm |
| antenna weight | 1.2 kg |
| length of cable | 15m |
| cable brand | RG-58 |
Electronic chart maintenance
When an electronic chart is loaded into the system it is reformatted to the system-specific format in its database SENC (System Electronic Navigational Chart)