Downloading and Installing tk3
on Linux-Based Systems

Version 0.4

tk3 runs in the X Windows System graphical environment and is independent of your desktop manager (e.g., KDE or Gnome). tk3 has been tested on a 1400 MHz AMD Athlon® based computer running Red Hat® Linux® 7.3 with kernel 2.4.18-4. and Tcl/Tk version 8.3, patchlevel 8.3.3.

This is experimental software and probably contains defects. It remains under development. When available, newer versions of tk3 will be made available for download at this web site.

Downloading and Installing tk3 for Linux

  1. Download and install the free tcl and tk RPMs for your system. You can search for download locations at If the rpmfind server is unavailable, you can download them from the Tcl Developer Xchange at or from
  2. Create a new installation directory on your system, e.g.,
    mkdir /home/username/tk3
  3. Download the gzipped version of tk3, tk3-0.4.tar.gz into the installation directory you created earlier.
  4. Decompress and untar the file after downloading it:
    cd /home/username/tk3
    tar -zxvf tk3-0.4.tar.gz
    This will create a new subdirectory, named tk3.0.4 and place the files there.
  5. Define and export tk3, a new environment variable to point to the installation subdirectory just created.
    export tk3
    To make the change permanent, you must add the two lines above to your shell's profile, e.g., /home/username/.bash_profile if you use the bash shell.
  6. Remove the .tk3rc configuration file if you have one from a previous installation.
  7. To ensure the tk3 environment variable is made known within X Windows, you should logout, login again, then restart your graphical user interface before using tk3 for the first time.


  1. Make sure your serial port has both read and write permissions for the user who will run the program.

    For example, I use /dev/ttyS1 as the serial port to connect the radio. If I type in a console window:

    ls -l /dev/ttyS1
    the output shows the permissions:
    crw-rw-rw-    1 root     uucp       4,  65 Aug 15 06:40 /dev/ttyS1
    Notice that /dev/ttyS1 is readable and writeable by everyone (user, group, and others).

    Login as root or run the su program to assume root privileges. Then, change the permissions and exit.

    chmod   ugo+rw   /dev/ttyS1
  2. Be sure to read a memory image from your radio and save it in a template (.tr3) file as a backup before making any changes.
  3. See the Release notes.
  4. tk3 presumes the wish windowing shell is in your PATH.

Revised October 26, 2002