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Yaesu ATAS-25
Portable Field Antenna

  Not in stock  

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Amateur Antennas 
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  Yaesu ATAS25

The Yaesu ATAS-25 is just the ticket for temporary Field Operations with the FT-100D, FT-817, FT-817ND, FT-857, FT-857ND, FT-897, FT-897D or FT-991. It covers these amateur bands: 7, 14, 21, 28, 50, 144 and 430 MHz. The bands are covered by manual changing the supplied elements and hand adjusting the coils. See the chart below. HF and 6 meter power capacity is:  100 watts SSB/CW 50% duty cycle and 50 watts AM/FM. Power capacity for 144/430 MHZ is 50 watts in all modes. Maximum height is 7.2 feet (2.2m) 2.05 lbs. (930g). An Allen wrench and three radial wires are supplied (20, 9.8 and 6.6 foot).

This antenna requires a camera type tripod base (not supplied). The antenna has an SO-239 (PO) antenna connection, ready to accept a PL-259 plug. 50 ohms nominal. Matched SWR Less than 2.0:1. Please note that several items illustrated above, such as the camera tripod, radio, base, table, tent and coax are not supplied. The ATAS-25 is not designed for permanent, long-term outdoor operation.

For some models, you may wish to purchase a diplexer or triplexer to avoid moving your cable from one antenna jack to another. When using the ATAS-25 with the FT-817, set Menu #07 to REAR for all bands. Please read the directions carefully for cautions.

Band Radiating Element
7 MHz. Three Elements
14 MHz. Three or Two Elements
21 MHz. Two Elements
28 MHz. Three or Two Elements or No connection  
50 MHz. Do not connect
144 MHz. Not used
430 MHz. Not used

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