Hi all: Will anyone help me with the pin wiring, and needed componets ( values ) to use an Isotemp OCXO 131-191 ? Pin-1 = V ctrl Pin-2 = V ref Pin-3 = +VDC ( 12 V ) Pin-4 = RF Out Pin-5 = GND I will use this to replace the Xtal Osc on my 630 meter Transverter. Thank you, and 73: Andy - KU4XR