The broadband gain antenna Tuch mentions was designed for the AAR years ago by Federal Radio (ITT)(patented) and is still manufactured by Antenna Specialists, model ASP-16 See it at www.allentele.com/antenna/lm_cat/lmrpg19.html F. ------------------------------------------------------ This is the Illiana Railroad Discussion List. For more info visit http://www.railcenter.com/illiana ------------------------------------------------------