Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-07 Thread Wes
SNOTEL has been doing something similar for 50 years. Wes  N7WS On 2/6/2021 9:15 PM, Jim Brown wrote: On 2/6/2021 9:58 AM, Michael Dinkelman wrote: I expect that is all done by computer these days. Yes, MS is done with one of K1JT's protocols than encodes the elements of the QSO in a form

Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-07 Thread CUTTER DAVID via Elecraft
Sent: Saturday, February 06, 2021 1:04 PM > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] K3 - Maximum CW speed from manual key > > > I don't see that as being realistic. Per the normal definition of a Morse > "word" being the word "paris", 300 w

Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread Jim Brown
On 2/6/2021 9:58 AM, Michael Dinkelman wrote: I expect that is all done by computer these days. Yes, MS is done with one of K1JT's protocols than encodes the elements of the QSO in a form that fits in a hundred msec or so, transmits it repeatedly for a defined period (15, 30, or 60 seconds).

Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread Bill Frantz
To try to make sense of this experiment, I immediately assumed that Kurt wouldn't be using a hand key, but rather a device that interfaced to the radio through the KEY jack. Obviously an electronic switch could switch the key jack that fast, but I'm not sure about a relay. The other question

Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread Wes
I've heard rumors of that but I have 38 states confirmed on two-meters (from the depths of southern AZ), mostly on ear-copy MS.  I never encountered anyone offering or asking to use that method. I was forced into leaving weak-signal work for a number of years following a domestic upheaval in

Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread CUTTER DAVID via Elecraft
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Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread Kurt Theis
Dave - In this case the "key" is a transistor circuit and the the result is decoded electronically. We want to know if a K3 is capable of being used with a burst encoder. I'm not in front of my K3 right now or I'd try it myself. Kurt On Sat, Feb 6, 2021 at 12:02 PM David Bunte wrote: > Kurt

Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread Charlie T
, nothing more was ever done with it. 73, Charlie k3ICH -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of David Gilbert Sent: Saturday, February 06, 2021 1:04 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K3 - Maximum CW speed from manual key I don't see

Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread David Gilbert
I don't see that as being realistic.  Per the normal definition of a Morse "word" being the word "paris", 300 wpm means each dit would be no longer than 4 msec.  As best I can recall, the rise and fall of the K3 keying waveform are each around 2.5 msec.  I'm not at all an expert, but I

Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread Michael Dinkelman
I designed a memory keyer in the mid-80's. Had a ridiculous speed range. Found out the meteor scatter folks were buying them. They would program a memory at normal speed, ramp the speed up, and use it for short bursts on CW during a meteor operation. Receiver would record it on tape, slow it down

Re: [Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread David Bunte
Kurt - 300 wpm is so far beyond any speed I am aware of a human copying that I never gave that issue any thought... and few folks I know can send good CW above 40 ish wpm with a hand key, so I doubt if many folks have given that any thought. I will be interested to see what answers you get...

[Elecraft] K3 - Maximum CW speed from manual key

2021-02-06 Thread Kurt Theis
Greetings list! I searched the archives and other sources, but haven't found an answer, so I'll try here. I'm looking to find the maximum cw speed on my K3 (with new oscillators, serial 8xxx) when using a manual cw key plugged into the KEY jack on the back of the radio. I don't mean the internal