Re: [Elecraft] Hallicrafters HA-1

I also copied the Hallicrafters HA-1 schematic when I was 15. I loved the glow of those voltage regulator tubes and the neon bulb on the front panel. And that mercury-wetted relay was beautiful. But - it didn't have auto character spacing which came out with the WB4VVF Accu-Keyer (hint-hint - so

Re: [Elecraft] Amplifier thoughts

I noticed the frequencies shown on the NXP web site for their reference circuits: 81.36 MHz 230 MHz 87.5 to 108 MHz and . 27 MHz! 73, John W2XS -- View this message in context: http://elecraft.365791.n2.nabble.com/Amplifier-thoughts-tp7628611p7628620.html Sent from the Elecraft

Re: [Elecraft] K3s Hearing low level rear speaker audio with SPKR+PH no and low AF set

Maybe it's an impedance issue. Regular speakers are "low" impedance (8-ish ohms) and the input impedance of powered speakers might be much, much higher. W2XS -- View this message in context:

Re: [Elecraft] winkeyer

I use the Winkeyer USB with the K3 and N3FJP software. it works very well. 73, John W2XS -- View this message in context: http://elecraft.365791.n2.nabble.com/winkeyer-tp7626953p7626958.html Sent from the Elecraft mailing list archive at Nabble.com.

Re: [Elecraft] K3 for SWL?

I just completed a 2 year low-key effort to log an AM BCB station (or stations - day and night) on every frequency from 530 kHz to 1710 kHz. I mostly used a Hallicrafters SX-100 and a Hammarlund HQ-145A, both highly-sensitive and well-calibrated vintage receivers. To get the hardest ones, though,

Re: [Elecraft] KX2 haiku (attempt 1) - No X

I am in the park In front of me still: K2 No wires out the sides W2XS -- View this message in context: http://elecraft.365791.n2.nabble.com/KX2-haiku-attempt-1-tp7617868p7617915.html Sent from the Elecraft mailing list archive at Nabble.com.

Re: [Elecraft] K3 - perceived RX and TX audio

I received a Bose mini soundlink speaker system for my iPod as a gift from the family. One day, I plugged it into the rear headphone jack of the K3 and tuned into a local AM BCB station playing oldies. It sounded terrific, with nice strong bass. I now use it for all of my K3 operating (which is