Values for FM Transmitter mic is a magnetic mic for all three versions ******** 30-40 MHz range L1 - 7.75 to 8 turns no. 24 enam on .25 inch form with ferrite slug C1 - 15-20 pF trimmer capacitor C2 - 10-15 pF trimmer capacitor ant.- 38" wire ******** 40-50 MHz range L1 - 6.75 turns no. 24 enam on .25 inch form with ferrite slug C1 - 10-20 pF trimmer capacitor C2 - 10-15 pF trimmer capacitor ant.- 37" wire ******** 90-100 MHz range L1 - 6.5 turns no. 26 enam on .25 inch form with ferrite slug C1 - 5.6 pF capacitor C2 - 3.3 pF capacitor ant.- 20" wire ********