I asked the same questions. I got several responses. Ti-calc.org said they thought it was a hoax. No one got it to work. The creator is very unresponsive, and was offering to build them, but changed the plans and never sent anyone any....... Seems like a hoax to me. On 10 Oct 1996 22:48:41 -0400, binfordtls@aol.com (BinfordTls) wrote: >Has anyone designed and gotten a radio link to work yet?