SELECTION OF STANDARD FREQUENCY CRYSTALS AMATEUR RADIO RECEIVERS OSCILLATORS
YOU CHOOSE YOUR CRYSTAL FREQUENCY FROM THE LIST OF TESTED CRYSTALS AT £5.99 EACH. FREQUENCY (IES). 12.00000 5.0000 2.00000 2.0000 14.000. 6.000000 15.00000 5.0000 12.0000 23.0000 10.00000 10.0000 7.0000 6.0000 4.0000.