amt1.7 NOW, A VARIATION ON THIS. WHEN I FIRST DID THIS MOD, I USED THE THIRD LIGHT IN FROM EACH END OF THE DISPLAY. IT MAKES TUNING MORE ACCURATE AND I THINK I LIKED IT BETTER. I WENT BACK TO THE FOURTH LIGHT BECAUSE IT CORRESPONDED MORE TO MY VFO SYNTHESIZER STEPS OF 20 HZ AND BECAUSE IT WAS CLOSER TO THE BOOK ALIGNMENT OF THE DISPLAY. USING THE THIRD LIGHT GIVES YOU ABOUT 15.5 HZ PER LIGHT CALIBRATION WHILE THE FOURTH LIGHT GIVES YOU ABOUT 19 HZ PER LIGHT. YOU CAN READILY TELL IF SOMEONE IS NOT ON YOUR FREQUENCY OR NOT SHIFTING 170 HZ.5) THE ADDITION OF THE POWER SWITCH IS STRAIGHT FORWARD. CUT THE TRACE AT THE END OF THE FUSE AND PUT SWITCH IN SERIES WITH THE HALVES OF THE TRACE. MOUNT SWITCH ON REAR PANEL NEAR THE POWER JACK. more mod data available in files amt1.1 and amt1.2 - request them from server.