---
name: "colrdx"
section: "1"
platform: "linux"
package: "colrdx"
version: "1.02-3"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/colrdx"
---

# colrdx(1)

hamradio dx-cluster client with ncurses color support

## NAME

colrdx - hamradio dx-cluster client with ncurses color support

## SYNOPSIS

**colrdx** *\[options\]* *\<host\>* *\[port\]*

At least one argument is needed, which is the host to connect to. The default port is 8000 when no portnumber is used.

## DESCRIPTION

**Colrdx** is a simple client for amateur radio dx-clusters. In a split-screen display you can type commands for the cluster in the bottom part. Messages from the dx-cluster will appear in the main window. There is also a status line at the top with some basic information.

## OPTIONS

Colrdx needs a callsign in order to be able to login to the cluster.

- **-c callsign**

  Send 'callsign' when connected (required).

- **-h**

  Display help and exit

- **-n**

  Start colrdx in black and white, even if terminal has color support.

- **-v**

  Display version and exit

## LINE EDITING COMMANDS

- **Ctrl-A**

  Goto beginning of line.

- **Ctrl-B and Left arrow**

  Go one character backward.

- **Ctrl-D**

  Delete character under cursor.

- **Ctrl-E**

  Goto end of line.

- **Ctrl-F and Right arrow**

  Go one character forward.

- **Ctrl-K**

  Kill from cursor to end of line (and store to kill buffer).

- **Ctrl-L**

  Repaints the whole screen.

- **Ctrl-N and Down arrow**

  Scroll Down.

- **Ctrl-P and Up arrow**

  Scroll Up.

- **Ctrl-R**

  Reprint current line.

- **Ctrl-U**

  Delete current line in total.

- **Ctrl-W**

  Erase last word.

- **Ctrl-Y**

  Yank kill buffer.

The scroll buffer can be browsed with arrow keys Up and Down (or Ctrl-P  and Ctrl-N), PageUp, PageDown, Home and End keys.

## FILES

If  **~/.colrdxrc** exists, it is sent to the server after logging in.  Handy for automatically sending commands.

## AUTHOR

Colrdx was written by Joop Stakenborg \<pg4i@amsat.org\>. Most of the code was taken from colrconv, written by Tomi Manninen, OH2BNS. It is based on the public domain program ttylink by Dave Perry, VA3DP.