The consumate HAM TU. A ST-6 from HAL. Claimed by many as the best TU ever made, this unit features 170, 425, and 850 HZ shift. Meter doubles for tuning, and loop current measurement. Has autostart with switched AC, loop current adjust, scope output and more.

This delightful solid state TU is a must for the devoted RTTY collector!

Military CV-116 TU!
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