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Yaesu ATAS-25 Active Tuning Antenna System (Manual)

  • Image 1
  • Example of usage.
  • Hand Adjusting Diagram
Price:
$229.95
SKU:
ATAS25
Shipping:
Calculated at checkout


Product Description

Yaesu ATAS-25 Active Tuning Antenna System (Manual) 

Manual Tuning Portable Aerial System for use with any HF transceiver up to 20W output power.

Portable manually tuned antenna.  7.2 feet.  7/14/21/28/50/144/430 MHz

The Yaesu ATAS-25 is just the ticket for temporary Field Operations with several Yaesu transceivers.   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 radio, camera tripod, 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/ND, 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

 

*Mounts on a 1/4 inch screw camera tripod (not supplied)


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