VOX Interface

Connecting Communities through Ham Radio and the Internet.

448.260 MHz (-) PL tone 127.3.0 SUNSET RIDGE MT. BALDY, CA

448.260 MHz (-) PL tone 67.0 MT. LUKENS PASADENA, CA

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Hereunder are some information regarding the VOX system we are using for Iphone before we change our system to ILINK. 

Hereunder is the Vox Interface (modified)  we are using at the HARP Repeater System. This is a kit available at Ramsey Electronics.   Kit # VS1  $6.95          

We added 2 relays. 1 for the PTT and one as the COR.

We also changed capacitor C1 to .01 uf . 

Soldered the board to a  DB25 connector. 

Added 2 micro potentiometer for delay and sensitivity.

For more info please send e-mail to [email protected]

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interface_ramsey_A.jpg (32932 bytes)      interface_ramsey_B.jpg (31637 bytes)      interface_ramsey_D.jpg (24710 bytes)

 

 

 

 

 

 

 

 
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Last updated: March 12, 2003