Bob - it is more the fun factor. Hams love to experiment!

Please excuse my skepticism, but is all this effort to re-grind, house and socket crystals worth the time and bother?? Why not invest the same time and effort into building a DDFS board, that can

Keith, Thanks for offering these sockets. Please include me in the responces for the drawing. RWeeks, AF5AF

Brian I am interested Ariel NY4G

Since it is the holidays, I'll add to the give a way, I'll draw from the response's over the next 24 hours, and draw names, for 6 of my ft-243 sockets. Keith kf4tap Sent from Yahoo Mail for iPad

Many modern rigs made by Yaesu, Kenwood, Icom etc. will tune in those LF bands. I used to log a LOT Of the LF beacons while listening on a SONY ICF-2010 which gave remarkably good reception at

I have to give away (no postage charges!!) to the first 5 people who e-mail me OFF the list: TOTAL of FIVE (5) of these: 3742 kHz hc6u crystal These are good, tested crystals. I am sure some of you

7140 kHz is a VERY valuable frequency for crystals! It puts you on the AM Calling Frequency for 15m in most classic AM transmitters. 7140 X 3 = 21.420 MHz See you there! 73 de AF4K

Great story Rex - thank you for posting this, and the article! 73 - Bry AF4K

Hello, Thanks for the interest in these old rocks, and I only wish I had enough to have given everyone one. The winner(s) is as follows: Xtal #1: Bill AB1AV Xtal #2: Jim WA7DUY Xtal #3: Mike

We hope to hear you in the Novice Rig Roundup, Tim. I know a lot of guys will be listening carefully for those rigs. We tune around for crystal control stations and do not always operate on the same

Rx mine yesterday, wow the PC board and face plate are works of art! Now to get building. I do have lots of 243 crystals from novice 1 tube rig! Tim W4YN

Nice Job Walter, Thanks

Thanks for the link Dennis, KC0IFQ. Rummaged through some boxes and dug out my Palomar Engineers VLF converter, listening to Dutch Harbor on 283 khz. Haven't tuned through those frequencies in years

When grinding crystals it is imperative both planes of the crystal stay parallel. If they don't, it will not oscillate. Beveling the edges help restore activity if the blank becomes sluggish.

Hello Rex, If only I had known this 59 years ago when I was KN5LZJ. All I knew was that a xtal could be ground up in frequency. I did use, either Bon-Ami or Ajax abrasive cleanser, mixing it with

good one Walter! 72 WAØITPI love this radio stuff.www.wa0itp.comwww.4sqrp.com On 12/28/2016 7:54 PM, Walter - K5EST walter.k5est@... [4sqrp] wrote:

Gangue, The crystal grinding workshop at Ozarkcon was given by Darrel Brehm, WA3OPY, Ron Hale, AC5UR, and me, W1REX. My friends Darrel and Ron both

Hello, Thanks for the QSO. I play with QRPp also and will change to the QRPp rig soon, a MFJ-9040 with a variable Voltage power supply. It will go from about 7 Watts down to 25 mW or less. I have

Hello, This is slightly off what is being discussed. In the Ameco AC-1 clone partial kit I am using, the designer intended for the user to use either a 1/4 inch key jack - or plug the key into half