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Antenna “couplers” are placed at the antenna and precisely match conditions of the antenna to the feed line. Antenna “tuners,” on the other hand, are generally located at the transmitter output at the radio end of the coaxial feed line. Do not be confused by the term “coupler” or “tuner.”
View and Download SGC Smartuner SG-230 manual online. Smartuner SG-230 antenna pdf manual download. Also for: Smartuner sg-230pro, Smartuner sg-235, Smartuner sg-231.
View and Download SGC Smartuner SG-230 installation and operation manual online. Microprocessor Controlled Automatic Antenna Coupler. Smartuner SG-230 adapter pdf manual download.
Remote Manual Tuning To quickly install your antenna coupler you will need the following: 1. An HF radio installation with 3 to 500 watts output. 2. An HF antenna with a single wire feed (not coax fed). Minimum length of 50 feet (from 3.0 MHz) or 300 feet (from 1.8 MHz). 3. A good ground (counterpoise) for the antenna and coupler
antenna within the frequency and power limits of its specifications. This document is designed to guide the SG-230 Smartuner user through installation and operation of the unit.
View and Download SGC Smartuner SG-239 manual online. Antenna coupler. Smartuner SG-239 tuner pdf manual download.
I previously reviewed the MFJ-927, CG-3000 and SG-230 remote auto-tuners specifically for use with a 43-foot vertical antenna (review is elsewhere on this website). At that time, the remote tuners were limited to about 200 watts maximum RF power.
