I still miss that 500 kHz chatter
73,
Arie PA3A
Sparks on several ships using the good old ARRL deluxe keyer
Non-revenue chatter on the marine CW frequencies in the 50's ran
anywhere from 10 to 35-40 WPM. The Company urged revenue traffic in
the 18-20 WPM range.
Non-revenue chatter on the marine CW frequencies in the 50's ran
anywhere from 10 to 35-40 WPM. The Company urged revenue traffic in the
18-20 WPM range. They'd found that speed range maximized traffic
throughput over time. Of course, revenue traffic was almost always
longer than "5NN TU".
There was a sign posted in the operating area @ WCC/Chatham Radio, Chatham
MA and it said: "SPEED IS ESSENTIAL, BUT ACCURACY PARAMOUNT" ..my
$0.02 worth !
Try sitting down for eight (8) hours on MF (500KHz) during the summer months
as I have done frequently while @ WPA/Port Arthur TX
I participate in in the weekly mini-contests sponsored by CWOps, called CWTs. I
generally operate in the 1 hour session at 0300 UTC. At that time, most of my
contacts will be in North America. Naturally my signal will be weaker there
than most of the competition, so I mostly search and pounce.
Sent: Saturday, November 2, 2019 4:43 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Analysis of a CW COMMUNICATION
Sending at the speed of the receiving station is usually the best way to
improve probability of exchanging call signs.
At 45 wpm, most ham ops need you to send your call
> Behalf Of EricJ
> Sent: Saturday, November 2, 2019 4:43 PM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Analysis of a CW COMMUNICATION
>
> Sending at the speed of the receiving station is usually the best way to
> improve probability of exchanging call signs.
>
I don't care what you say ... higher speed does not necessarily
translate to better communication. In fact, as I demonstrated here* and
as countless 160m ops will attest, lower speed is typically more
intelligible under conditions of low S/N ratio:
*
On Sat, Nov 2, 2019 at 6:44 PM EricJ wrote:
> ...At 45 wpm, most ham ops need you to send your call three times or
> more...
>
===
Yeah, it's pretty obvious that sending a call faster and more times isn't
an automatic way to improve end-to-end communication -- you could send it a
lot
@mailman.qth.net
Subject: Re: [Elecraft] Analysis of a CW COMMUNICATION
Sending at the speed of the receiving station is usually the best way to
improve probability of exchanging call signs.
At 45 wpm, most ham ops need you to send your call three times or more to
get it so you haven't accomplished much
Sending at the speed of the receiving station is usually the best way to
improve probability of exchanging call signs.
At 45 wpm, most ham ops need you to send your call three times or more
to get it so you haven't accomplished much in the way of speedier
communication. Also simple math.
Some prefer the challenge of isolating a CW signal in order to decode it. They
use filtering. Eliminating interference is difficult. Interference comes from
numerous sources.
An exchange of call signs is the desired result in a pile up or contest
exchange.
Sending at a lower speed does not
11 matches
Mail list logo
