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This is how you modify a Maxon VOX unit for use with a computer for APRS.
BOM (Bill of Materials):
Maxon VOX Unit $2
AA Battery Holder $1
3.5 mm to 2.5 mm Adapter $3
2x 2 m Mono Patch Cable $4 each
BOM (Bill of Materials):
Maxon VOX Unit $2
AA Battery Holder $1
3.5 mm to 2.5 mm Adapter $3
2x 2 m Mono Patch Cable $4 each
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Signing UpStep 1Get the VOX unit
I got mine from All Electronics. But there's a problem! The battery goes dead quickly, and is non-replaceable!
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3
Jan 31, 2008. 3:11 AMpetmar (author)
says:
Voice Operated Xmit (Transmit). It's a term widely used in amateur radio and other telecom fields to denote a device that transmits, or turns on, after sound has crossed a certain threshold for volume. In other words, if you're not talking, it's not transmitting. If you are talking, it is transmitting. In this application, it's used to trigger a radio when data packets are coming from your computer, and to allow your computer to listen for data packets when it's not busy transmitting. Put another way, it's an automatic device for turning full duplex into half duplex so your sound card and radio can get along.
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22
Jan 30, 2008. 8:40 PMGorillazMiko
says:
What's a VOX?
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