This list is intended to serve as a starting place for some suggested materials to build a version of CHART.
Materials for building the horn
-4 36” x 48” Double walled cardboard sheets.
-75 square feet: Aluminum Foil.
-Hot Glue Gun with Hot Glue.
-Tape.
-Aluminum Foil Tape.

Materials for the probe:
-2 Gold plated nuts.
-1 Gold plated locking washer.
-1 small scrap aluminum (a soup can lid covered in aluminum tape will work fine)
-1 Coaxial Panel Mount Connector with Bulkhead Nut and Solder Cup Terminal SMA Male to Female Right Angle 90-Degree Adapter Gold Plated.
-6.3cm Copper wire.

Materials for the software
-Raspberry Pi 3B
-Micro SD Card (32GB)
-RTL-SDR
-A computer monitor
-Ethernet cable (if not using WiFi option)
-Keyboard
-Personal computer

Materials for the electronics chain
-2 Low noise amplifiers (LNA)
-2 batteries for LNA (check spec voltage)
-2 battery pack for soldering onto LNA
-SMA style terminator
-Long SMA cable (enough to run from monitor to wherever you want to take data)

Reccomended extras
Bandpass filter for 21cm
Multimeter with continuity functionality
Soldering kit
Small radio antenna