AT-140 ANTENNA TUNER

For 1.6–30 MHz (with 7 m; 23.0 feet) or longer antenna element)

Weight (approx.)
2.5 kg; 5.5 lb

Power supply requirement
13.6 V DC (supplied from the HF transceiver)

Current drain
Maximum 2 A

Operating temperature range
–30°C to +60°C (–22°F to +140°F)

Antenna connector
SO-239 (50 Ω)

Maximum Input power
150 W (PEP) 100 W (continuous)

Automatic tuning time
Approximately 2 to 3 seconds (general condition) Maximum 15 seconds

Approximately 2 to 3 seconds (general condition) Maximum 15 seconds Approximately 1 second (re-tuning for a memorized frequency)

Automatic tuning accuracy
SWR 2.0:1 (after tuning, except for multiples of 1⁄2 λ)

Usable pole diameter
32 to 60 mm; 1.3 to 2.4 inches