[CQ-Contest] Call Sign Weight

[donovanf at erols.com]

Hi Joe 


There was an excellent article (in QST?) many years ago that explored 
the pros and cons of each individual Morse letter in a callsign. 
It explored the internal error correcting properties of some Morse 
letters that makes them less l ikely to be confused with other letters. 


Its also important to consider error prone pairs of short Morse letters, 
just a few examples if potentially error prone Morse letter pairs: 
AN DE EE EI GE IE IN KE MA NA NE NI RE SE TA WT 
Analysis of contest log checking reports may reveal letters and 
letter pairs with higher error rates on both CW and SSB 


And there are some awkward letter pairs such as EE, HS and HH 


M athematical computation of the "distance" between various 
more letter and letter pairs might help. 


I once received a letter from W3RPL complaining that I 
must have received many QSLs for stations he actually 
worked. 


I can't tell you how many times I've jumped into a "packet" 
pileup to discover a station I haven't even called yet already 
replying to me. Stations like W2LPL, K3LP, W3LL and W4LPL 
helped me break the pileup before I got there. 


Then there are the frustrating Whisky Three Rima Papa Rima 
copying errors... I have many SSB QSLs sent to W3RPR 


73 
Frank 
W3LPL 


----- Original Message -----

From: "Joe" <nss at mwt.net> 
To: cq-contest at contesting.com 
Sent: Wednesday, April 21, 2021 1:22:45 PM 
Subject: [CQ-Contest] Call Sign Weight 

There are many online weight calculators for Callsigns. 

As far as I know, they all only tell you more or less how long it will 
take to send a callsign. 

Is there one that also takes into account not only speed, but possible 
difficulty in a call being copied correctly? 

Like ones with letters that most people have hard times learning in the 
first place. 

Or the infamous calls that are made from mainly dits sent at a crazy 
speed, we all know those calls. 

So I know that is asking of a lot and probably not possible, but hey I 
gotta ask, is there a weight calculator that also takes into account the 
real world of callsigns? 

Joe WB9SBD 

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