I think I’ve got around 10 of these in my projects cabinet - one can never have too many variable capacitors with vernier drives.
https://youtu.be/FofRvvPzG7E Zeroing out the IMD in the dual Norton phaser buffer/amplifier... LPF/HPF filter suggestion/design by Steve Ratzlaff... Colin Newell - Victoria - B.C. CANADA - > On Aug 25, 2018, at 5:04 PM, Chuck Hutton <[email protected]> wrote: > > Gary - > > > Happy you found more of them. > > Should you get desperate in the future, I'll point out that Vernier > (planetary reduction) drives are still available, so you could in principle > substitute a any normal variable of the proper size. > > > Chuck > > > ________________________________ > From: IRCA <[email protected]> on behalf of Gary DeBock > <[email protected]> > Sent: Saturday, August 25, 2018 1:48 PM > To: America, Mailing; NRC > Subject: [IRCA] "Frequent Flyer" FSL Project Clears the Turbulence > > Thanks to long term technical buddy Steve Ratzlaff for tracking down a > new source for the critical "N50P" variable capacitor used in the > TSA-friendly 3.5" rod and 5" bar FSL antennas. A sizable order has been > placed for these critical components, ensuring that these airport-friendly > miniature FSL's can continue to be constructed well into the future. > > As mentioned previously, the performance of these tiny FSL's during long > range air travel has proven to be far greater than expected, providing a > major boost in hobby satisfaction for those DXers who have tried them out. > Craig Barnes, Pete Taylor and I are all eagerly awaiting our next "Frequent > Flyer" trip, after having experienced thrilling TP and DU-DX in multiple > trips to places like Hawaii and the Cook Islands. The option of having > serious DXing gain in exotic places around the world (especially where large > external antennas are forbidden) can be a game changer in hobby satisfaction. > The related 23-page full construction article (which will soon be augmented > by the "rubber locking collar" improvement to the ferrite sleeve) is posted > at http://www.mediafire.com/file/pnfm8909c77zjoy/3.5inch-FF-FSL.doc/file > > Gary DeBock (in Puyallup, WA, USA) > > > > > _______________________________________________ > IRCA mailing list > [email protected] > http://montreal.kotalampi.com/mailman/listinfo/irca > > Opinions expressed in messages on this mailing list are those of the original > contributors and do not necessarily reflect the opinion of the IRCA, its > editors, publishing staff, or officers > > For more information: http://www.ircaonline.org > > To Post a message: [email protected] > > _______________________________________________ > IRCA mailing list > [email protected] > http://montreal.kotalampi.com/mailman/listinfo/irca > > Opinions expressed in messages on this mailing list are those of the original > contributors and do not necessarily reflect the opinion of the IRCA, its > editors, publishing staff, or officers > > For more information: http://www.ircaonline.org > > To Post a message: [email protected] > _______________________________________________ IRCA mailing list [email protected] http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: [email protected]
