This fine project was found on Talino's site, IZ7ATH
and works very very well up to about 35Mhz. It starts to fall off over 40 Mhz and dies by about 50 Mhz. Winding the coils was a lot of fun. Since building it, QST Magazine, May 2003 pp 54 also has a similar project worth looking at. You can jump to Talino's site with this link ...IZ7ATH
The circuit diagram : RCA 40673 sub: BF960
The top view:
Note BNC output at top
for coil attachment.
NO FREQUENCY DIAL!!!
It is assumed that you have a frequency counter to read directly off the BNC on the front panel (beside the mode switches) for a very accurate indication.
I never liked the crude dials on most homebrew dippers.
Dipper and matching coils
The coils were made with
26g enamel wire, on simple
1/2 inch cpvc tubing.
The BNC connectors on the coils were epoxied in place.
Packing Tape was wound on the completed coils to keep the wire wrappings stable.
Labels made with a
Brother P touch
PCB:
The pcb was
done with the 
Parts
placement diagram.