HTDP 02-12-19 (3.2.7)
 Enter the reference frame for the output positions
  1...NAD_83(2011/CORS96/2007)  (North American plate fixed) 
  2...NAD_83(PA11/PACP00)       (Pacific plate fixed) 
  3...NAD_83(MA11/MARP00)       (Mariana plate fixed) 
                                                   
  5...WGS_84(transit) (NAD_83(2011) used)  15...ITRF91 
  6...WGS_84(G730) (ITRF91 used)           16...ITRF92 
  7...WGS_84(G873) (ITRF94 used)           17...ITRF93 
  8...WGS_84(G1150) (ITRF2000 used)        18...ITRF94 
  9...WGS_84(G1674) (ITRF2008 used)        19...ITRF96 
 10...WGS_84(G1762) (IGb08 used)           20...ITRF97 or IGS97
 11...SIO/MIT_92 (ITRF91 used)     21...ITRF2000 or IGS00/IGb00
 12...ITRF88                       22...ITRF2005 or IGS05 
 13...ITRF89                       23...ITRF2008 or IGS08/IGb08
 14...ITRF90 or (PNEOS90/NEOS90)   24...ITRF2014 or IGS14   

 HTDP 3.4
 Enter the reference frame of the input positions
  1...NAD_83(2011/CORS96/2007)  North America plate fixed
  2...NAD_83(PA11/PACP00)       Pacific plate fixed
  3...NAD_83(MA11/MARP00)       Mariana plate fixed

  4...WGS84 original (Transit)
  5...WGS84(G730)   ITRF91 used
  6...WGS84(G873)   ITRF94=ITRF96=ITRF97 used
  7...WGS84(G1150)  ITRF2000=IGS00=IGb00 used
  8...WGS84(G1674)  ITRF2008=IGS08=IGb08 used
  9...WGS84(G1762)  ITRF2008=IGS08=IGb08 used
 10...WGS84(G2139)  ITRF2014=IGS14=IGb14 used

 11...ITRF88                      18...ITRF96 (=ITRF94=ITRF97)
 12...ITRF89                      19...ITRF97 (=ITRF94=ITRF96)
 13...ITRF90 (or PNEOS90/NEOS90)  20...ITRF2000 or IGS00/IGb00
 14...ITRF91 (or SIO/MIT_92)      21...ITRF2005 or IGS05
 15...ITRF92                      22...ITRF2008 or IGS08/IGb08
 16...ITRF93                      23...ITRF2014 or IGS14/IGb14
 17...ITRF94 (=ITRF96=ITRF97)