My station has some elements "homebrew". This section will progressively describe it.
A switch to use a headset mic, an external speaker, a CW key on four transceivers.
To switch three transceivers to three antennas.
Two Bias-T to drive an antenna remote motor.
A polygon generator for MMANA to create loops with one or more turns.
A spiral generator for MMANA, to create flat or 3D versions.