Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Correction to: Scientific Reports 10.1038/s41598-020-76588-z, published online 10 November 2020.
The original version of this Article contained a repeated error for pole height. The text,
“0.90 cm”.
now reads:
“0.90 m”.
This has been corrected in the PDF and HTML versions of the Article.
