E-match based cable cutter
This technique uses a rubber band and a loop of monofilament line (cable) to bind up a parachute.  The parachute is deployed with the E-match cable cutter connected to an altimeter "pod". i.e. and altimeter, battery and switch inside a protective plastic cover.  This assembly will be deployed at apogee using either an ejection charge or compressed gas ejector. 
An E-match is used to burn through the monofilament line to release the parachute at a predetermined..
First test of this technique on March 21, 2020
Second test March 23, 2020