Re: [Elecraft] OT: The day I found out I was going to be an engineer

On Friday, September 15, 2023 at 08:35:40 PM EDT, Wayne Burdick wrote: > I was 8 years old. My dad had bought me a Radio Shack Science Fair 8-Note > Electronic Organ kit for Christmas, along with a soldering iron. Sounds like one of their P-Box kits. When I was around the same age, my Father

Re: [Elecraft] K2: Filter Aliginment software for Apple MACs.

Francis, I use Baudline under Linux for various audio spectrum analysis tasks. There's a Mac version as well: https://baudline.com/what_is_baudline.html https://baudline.com/download.html 73 de John, KD2BD __ Elecraft mailing

Re: [Elecraft] Muting the K2

Ray, For what it's worth, I've been running a homebrew solid-state QSK CW transmitter for the past 4 years. My T/R relay is an AXICOM V23105A5303A201. It is a dual SPDT relay where each SPDT section is tied in parallel for greater power handling capability. The receiver is connected to the

Re: [Elecraft] [OT] WWVB Time Transmissions

> Bill, > WWVB added a new modulation format starting around 2012/13 that includes a > phase shift that some older clocks can > no longer resolve. Gary, The 2012 addition of BPSK modulation doesn't affect WWVB-controlled clocks -- only older carrier phase tracking receivers that use WWVB as a

Re: [Elecraft] Antenna tuners

On Friday, July 17, 2020, 10:03:24 PM EDT, Fred Jensen wrote: > No antenna has, at any time, anywhere in any of our lifetimes, been > "tuned" by an "antenna tuner." Unless the "tuner" is simply a broadband transformer, I might agree. But if the "tuner" is an LC network, like an adjustable L

Re: [Elecraft] Antenna tuners

On Friday, July 17, 2020, 7:10:32 PM CDT, Kurt Pawlikowski wrote: > Ken: In some respects, a "matching device" at the base of the antenna is a > tuner! {'-) It accomplishes the same function... {'-) k > WB9FMC On Friday, July 17, 2020, 08:21:54 PM EDT, Ken Roberson via Elecraft wrote: >

Re: [Elecraft] Matching resonant antennas

On 15/07/2020 20:30, Ken WA8JXM wrote: > Conversely, a non-resonant antenna can have a 1:1 SWR. On Thursday, July 16, 2020, 03:33:12 AM EDT, David Woolley wrote: > You can only have a 1:1 SWR at a single impedance. If the design > impedance is purely resistive, that means you can only have

Re: [Elecraft] Conditions, shmonditions: DXing anyway

On Fri, 9/21/18, Drew AF2Z wrote: > I generally use 440 Hz for sidetone/pitch, thinking that it is a familiar > standard musical note and perhaps is more recognizable to the > brain in some way. I don't know if that has any validity or not... I've been using a sidetone pitch of 800 Hz on my

Re: [Elecraft] Magnetic Loop question

On Thu, 10/20/16, Steven Dick wrote: > The vertical loop can be horizontally polarized by feeding it in the middle > of the top or bottom edges. It can be vertically polarized by feeding it in > the middle of the vertical edges. That's true for a loop having a full-wave

Re: [Elecraft] Elecraft's linux utilities - somewhat OT, or maybe not

On Tue, 5/27/14, Bill W2BLC w2...@nycap.rr.com wrote: I am not trolling, I really would like an honest answer as to why Linux is chosen over Windows for similar operations. Bill, In a similar way, I'm often asked why I spend so much effort with radio equipment, antennas, sunspots, etc. in

Re: [Elecraft] linux K3 utility

On Wed, 5/21/14, Doug Person via Elecraft elecraft@mailman.qth.net wrote: I opened a terminal in the directory and entered ./k3util and got no such file or directory from bash. Huh?  I can see it, the permissions are correct, it is executable...  What am I doing wrong? Doug -- K0DXV Hi