Hi All: Wonder if anyone is using a Kenwood TH-D7A (or may be an 'E') for a duplex node? The 'D7 could make for a good node, since it has the ability to operate in full duplex (RX on Band 'A' and TX on Band 'B'). I'd like to know if there is a way to bypass the internal TNC, or to bring out 9600 baud audio (or raw discrim audio) out somehow. I was initially using a pair of Baofeng's for a portable / full-duplex node... but the Baofeng's are as deaf as a potato! Cheers! Ramesh, VA3UV #27919 and a truck load of others....
Unless you want to perform surgery on the radio, there is not an "easy" way to bring "raw" audio out from the radio. A possibility is just use the connections from the speaker mic ports. I suggest using the BAL button to turn the volume off on the band you are going to be transmitting on. ~Benjamin, KB9LFZ On Fri, 2017-07-21 at 22:11 -0400, Ramesh Dhami wrote:
Hi All:
Wonder if anyone is using a Kenwood TH-D7A (or may be an 'E') for a duplex node?
The 'D7 could make for a good node, since it has the ability to operate in full duplex (RX on Band 'A' and TX on Band 'B'). I'd like to know if there is a way to bypass the internal TNC, or to bring out 9600 baud audio (or raw discrim audio) out somehow.
I was initially using a pair of Baofeng's for a portable / full-duplex node... but the Baofeng's are as deaf as a potato!
Cheers!
Ramesh, VA3UV
#27919 and a truck load of others....
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That's definitely an option Benjamin.... but how do I get COS signal? I'm not opposed to performing micro surgery, just wondering if anyone has been there and got the T Shirt! Having said that, I forgot to mention that the issue with the Baofengs seems to be largely with the stock antenna (or should I say the attenuator disguised as an antenna). Testing with a signal generator seemed to indicate a 10dB loss in sensitivity when using the "antenna". I've also since switched to duplex=0 (with linktolink = 1) to help eliminate further loss in RX sensitivity due to desense). Cheers, Ramesh. Sent from my iPhone
On Jul 23, 2017, at 3:07 PM, Benjamin Naber <Benjamin@Project23D.com> wrote:
Unless you want to perform surgery on the radio, there is not an "easy" way to bring "raw" audio out from the radio.
A possibility is just use the connections from the speaker mic ports. I suggest using the BAL button to turn the volume off on the band you are going to be transmitting on.
~Benjamin, KB9LFZ
On Fri, 2017-07-21 at 22:11 -0400, Ramesh Dhami wrote: Hi All:
Wonder if anyone is using a Kenwood TH-D7A (or may be an 'E') for a duplex node?
The 'D7 could make for a good node, since it has the ability to operate in full duplex (RX on Band 'A' and TX on Band 'B'). I'd like to know if there is a way to bypass the internal TNC, or to bring out 9600 baud audio (or raw discrim audio) out somehow.
I was initially using a pair of Baofeng's for a portable / full-duplex node... but the Baofeng's are as deaf as a potato!
Cheers!
Ramesh, VA3UV
#27919 and a truck load of others....
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participants (2)
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Benjamin Naber -
Ramesh Dhami