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Contact irc://ircnet/#delta23
Description Ham Radio group of CCC
Members B4um, Bastla, Craegga, Datacop, Docsteel, Fanen, Jiska, LS, Nobody su, Olitsch, Oscar, Pennylane, Pet2001, PhyrePhox, Planlos, Pylon, Squ, Tny, VT100, Xoration, Zem
Projects SDR Corner
Self-organized Sessions An amateur radio short telegram an microblog system, Antennenbau, Ausbreitung von Funkwellen, Einführung zu Amateurfunk, Funkamateur werden, Ortsfeste Amateurfunkanlage melden
Tags amateurfunk, chaoswelle, antenna, hamradio, sdr
Registered on 18 October 2014 20:56:23
Location for self-organized sessions yes
Self-organized session notes We will bring projectors and screens for sessions. You are free to use our antennas for SDR sessions or other equipment for ham radio related sessions.

Further Ideas for planned (but not yet planned) sessions:

  • Digimodes explained
  • Ham-PKI
Other assemblies by tags...
Location ,
Orga contact
Brings As in the previous years we will bring transceivers and antennas.
Seats needed 30
Extra seats 15
Assembly specification 3. We need something special or in between those options: Please specify in the field planning notes.
Planning notes Like in the previous years we need access to the balcony and the rooftop. The location of the previous years (Foyer in front of Saal 2 or Saal 1) was perfect.


Chaoswelle Logo

The Chaoswelle is a quite large group of Ham Radio Operators in the CCC. In accordance to the Ham Spirit we are open to all Ham Radio Operators visiting the Congress and everyone who is interested in transferring wireless signals.

  • 31C3-frq: 433,625 MHz 123,0 Hz CTCSS
  • Relais-frq: 438.975 MHz -7.6 MHz 123 Hz CTCSS


We will set up antennas on the rooftop of the CCH and transceivers at a table inside the building. You can use some of the equipment brought by other members of the assembly or bring your own equipment! Especially if you built your own antennas, transceivers or software for special purposes. There will be soldering irons and a lot of electronic equipment (and if not at that table, somewhere else in the building will be exactly that one transistor you just need). There is a checklist of our equipment we will bring and use at 31C3.

We can set up a club station with a fancy callsign (either DA0CCC or DK0CCC), which is well tested during several contests – everyone on the world will listen up, when there is a Charly Charly Charly station calling! And some of the participants own an educational callsign, so that even interested people can do their first chat on a ham radio frequency.

It would be great to work with different Digimodes and having QSOs with operators from all over the world without using the Internet. Or, let's set up a QRP WSPR station with a Raspberry Pi.


The place will also be used for workshops. This can be basic explanations about Ham Radio or using a transceiver. Or even more extended topics on your pet project. If you think, your workshop fits best in this location, just leave a note.


There are some ideas for projects we can do during 31C3. This is just a list, which can be extended with your own project:

  • Shortwave SSB station
  • Shortwave Digimode station
  • Analysis of position messages
  • Antenna building
  • Working with SDR