[amsat-bb] Ten Tec 2510 additional frequencies?

[James Hickox <jameshickox@xxxxxxxxxxxxx>]

Hello.
   
  I am looking for a way to add additional frequencies to a Ten Tec 2510.  The manual indicates that additional crystal oscillators would be made available to extend transmit range up to 437.0 Mhz when available, but I havn't been able to find out anything on this.  Is there anyone on the list that has done this modification or has a circuit board diagram or templete?
   
  Thanks and 73,
   
  James, AA5AO
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