@misc{indiciaeec1a05b90043,
  title = {L1C signal design options},
  author = {J.W. Betz and C.R. Cahn and P.A. Dafesh and C.J. Hegarty and K.W. Hudnut and A.J. Jones and R. Keegan and K. Kovach and L.S. Lenahan and H.H. Ma and J.J. Rushanan and T.A. Stansell and C.C. Wang and S.K. Yi},
  year = {2006},
  url = {https://pubs.usgs.gov/publication/70030451},
  note = {Source identifier: 70030451}
}