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Ham Radio and Linux – DXclusters via telnet.

1 min read



A very light weight way to access DX clusters. Great for older hardware or raspberry pi, where memory and CPU use need to be kept low.

The index site I used in the video is linked here:
https://www.ng3k.com/Misc/cluster.html

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23 thoughts on “Ham Radio and Linux – DXclusters via telnet.

  1. telnet is available on windows, but about win7 it stopped being available by default. No worries it is easy to turn on. Go to control panel and programs, on the left is the option for windows features, telnet is listed there, check it and okay/ close till your back to programs. windows key-r will open run, run ‘cmd’ to open a command prompt and run the same command like Kevin. You can run putty if you want it works well. 73 de ki7cia

  2. Where I worked in Aurora Colorado. we ran a kantronics node 145.03 simplex called Aur1. it was a 100w sintor x on a big tower top antenna and covered over a 50 mile radius. we had an earlier RTTY bulletin board running on a commodore 64 attached to our repeater.

  3. When I got access to the Internet in 1993, telnet was the standard. SSH didn't even exist back then. I vividly remember telneting into archie search engines hunting for files on FTP servers. WWW, a wired new thing, was in its infancy and search engines like google where yet to be invented. Hell, I should fire up my PDP-11/73 running 2.11BSD with its VT220 console terminal and telnet into a DX cluster just for the fun of it. Yes. A real PDP-11.

  4. When I got access to the Internet in 1993, telnet was the standard. SSH didn't even exist back then. I vividly remember telneting into archie search engines hunting for files on FTP servers. WWW, a wired new thing, was in its infancy and search engines like google where yet to be invented. Hell, I should fire up my PDP-11/73 running 2.11BSD with its VT220 console terminal and telnet into a DX cluster just for the fun of it. Yes. A real PDP-11.

  5. Telnet, oh my god no. Thats one unsafe bit of program… PuTTY with SSH is much much safer and encrypts data transfers. Telnet is plain clear text and all.. geez, drop that old piece of junk.

  6. I was living in Huntsville, AL in the 1980s and used to communicate with a ham in New Jersey via packet radio. I would send him a message and he would get it in only 18 hours!

    I had also written a packet terminal program for the Atari 800 which I passed around to the few folks who were also using Atari computers. It worked very well, but most guys using 8-bit computers were using the Commodore 64.

  7. Enjoyed the video, as always, but I prefer to "hunt and pounce." I'm not a contester so DX clusters are interesting but not necessary. Blindly stumbling around the freq's is more fun.

  8. Thanks Kevin. I would sure like to see more videos about HAM stuff on Linux. I'm trying to move from Windows to Linux. I'm pretty savvy with Linux itself, however I haven't found all sort of program alternatives yet. In my opinion it's always interesting to see how someone else operates and what stuff and methods they're using. You can't love what you don't know. So we need guys like you introducing it, demonstrating it and sharing their experience…

  9. Used a Pakratt TNC myself for many years and it was a great training ground for the internet 😉 …. I experimented with TCP/IP Packet Radio and used the various Protocols like Telnet etc. and also experienced, for the first time, the great facility of Newsgroups (USENET). I also dabbled a bit with DX Clusters but always preferred to do my own 'hunting' for stations 🙂

    Interesting video… many thanks. 73

  10. Excellent, thank you. Tried the node in Utah initially but it said my call was invalid. I noticed that there is one in Derby, very close to me, so I'll give that a go. Thank you very much for the video. 73's M7GTX

  11. Excellent! Thank you for this video. I do love the command line and telnet…old school. Not gonna find the youngsters generally using this old tech. Thank you once again. I just ordered a Raspberry pi 4b to replace my macbook pro! I want to preserve it for video work. Kevin (N0AJX)

  12. Ras Pi and ham: Very interesting to me. Minimalism: Lower power consumption, solar power possibilities, portable operation.
    BTW, operating in Wyoming, I show up on "the cluster" every once in a long while.

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