[GreenKeys] Need advice on telegraphing over a phone line?

W2HX w2hx at w2hx.com
Tue Aug 18 14:37:43 EDT 2009


Here's a completely overkill solution (Rube Goldberg is spinning in his
grave at the mere thought of what I am about to suggest)

You mentioned that your telegraph demo can also work over the internet. Well
I have a blackberry. By using a USB cable I can connect my laptop to the
blackberry and get full internet access anywhere I have cell phone access
(this included some rural parts of China this past summer!)

So if you have a blackberry and a laptop you might/should be able to run
your telegraph simulation software and voila!

Or if you want to go the eeeeeaasssssyyyyy way, just run 300 feet of phone
line. But that’s sooo low tech!

Good luck, tell us how it went!


73 Eugene W2HX



-----Original Message-----
From: greenkeys-bounces at mailman.qth.net
[mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of Derek Cohn/WB0TUA
Sent: Monday, August 17, 2009 11:48 PM
To: Greenkeys ((E-mail))
Subject: [GreenKeys] Need advice on telegraphing over a phone line?

Hi Everyone,

I know there are a lot of tele
As many of you know, I'm the resident telegrapher on this mailing list.  Our
club has two methods of telegraphing with others:

1) On a telephone line using AFSK tones from a Bell 103 modem
2) Over the internet using software to simulate a telegraph wire

Either way, I need a phone line.  

There is a group of railroad telegraphers gathering in a very rural area of
Missouri (Oran, MO) in about 3 weeks and they'd like me to bring my
equipment and do a demo.  The demo will be under a pavillion that has power
but no phone line.  There is a phone line I can use in a nearby house. I
would guess the house is 200 - 300 feet away.  This area is so rural, I
don't think there's any chance there is DSL on the line that I could pick up
as a WiFi hotspot with a wireless router.

Those of you who are knowledgeable about this....can I run an extension from
the phone jack to the pavilion if the distance is that long?  Does the
signal attenuate significantly over that distance?  Can I string together
phone extension cords to cover that distance or will Iose too much of the
signal?  If so, are there inline amplifiers that can be inserted?  Is there
a wireless solution that I might try instead of having to string a phone
line?.

If you guys have any suggestions for trying to bring the phone line down to
the pavilion so I can telegraph with others around the country for my demo,
I'd really appreciate it.

By the way, I also plan to bring my Model 15 with the TD and Typing
Reperforator so teletypes will be represented too!

Thanks and 73,

Derek Cohn
Morse Telegraph Club - Alton Chapter
Office UD, Sine DJ
Amateur Radio Station - WBØTUA
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