To cite package ‘radar’ in publications use:

Gama J, Guy N (2014). radar: Fundamental Formulas for Radar. R package version 1.0.0, https://CRAN.R-project.org/package=radar.

Corresponding BibTeX entry:

  @Manual{,
    title = {radar: Fundamental Formulas for Radar},
    author = {Jose' Gama and Nick Guy},
    year = {2014},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=radar},
  }