From October 1994, 73 Amateur Radio Today magazine ( pages 36 & 37)
Q1 2N3553, 2N3866 or similar medium power NPN
Crystal 28.000 MHz range
R1 5.6k Ω
R2 15k Ω
R3 330 Ω
C1, C4 10-60 pf trimmer capacitors
C2, C3, C5 0.1 µF ceramic, silver mica or polyester.
L1, L2 Either a red toroid core like 37-2 or yellow 37-6 .
L1 is 10 turns of #24 copper enameled wire.
L2 is 2 turns #24 copper enameled wire between the ends of L1