Forex Ang Auto Ch HL v1x3 Indicator:
The indicator plots three equidistant channels with the calculation periods defined in input parameters.
Originally this indicator has been written in MQL4 and was first published in the Code Base at mql4.com on 28.01.2008
Copy and paste the file into the MQL5 Indicators folder of the Metatrader 4 trading platform.
You can access this folder from the top menu as follows:
File > Open Data Folder > MQL5 > Indicators (paste here)