Drew,
OK, now I understand: your times are for a dash plus one space. So, in
effect a dot would be one quarter of that length at normal weighting.
Sounds like the calibration may be within the error of measurement.
73, andy, ae6y
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Thursday, July 03, 2008 8:18 AM
Subject: Re: [Elecraft] K3 CW speed request
Ok, using your formula, and allowing for my measurement of dah periods
(not just dah sound portion of cycle), substituting equivalent dit
sound time (at assumed 3:1 ratio), I get the following conversions:
22 wpm K3 readout
measured 0.207 dah period
51.8 msec dit sound equivalent at 3:1 ratio
23.2 wpm calculated by the "1200" formula
21 wpm K3 readout
measured 0.219 dah period
54.8 msec dit sound equivalent at 3:1 ratio
21.9 wpm calculated by the "1200" formula
73,
Drew
AF2Z
On Thu, 03 Jul 2008 07:39:55 -0700, andy, ae6y wrote:
Those dashes sound a little long. The formula normally used to calculate
lengths of elements is
dot length (msec) equals 1200 divided by wpm.
Thus, at 22 wpm, the dot length should be 54.5 msec. Dashes are
normally
three times as long, i.e., 163.5 msec.
73, andy, ae6y
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