You can do this with K3 or K3S with a sub-receiver, but you don't need the sub-receiver with the K4 because it can monitor 2 6M frequencies with just basic K4, you can get the digital audio stream through the USB connection or through the audio connection on the back panel.

The left channel will be VFO A and the right channel will be VFO B. Using the USB connection means you don't need a "sound card" to digitize the audio.

If you are just looking for activity, just listening to the audio may be enough.

73 Bill AE6JV

On 11/14/20 at 8:56 PM, k...@bosscher.org (Tom) wrote:

Does the K4, especially the K4D, have two audio codecs, one for each receiver, available via the USB connector?


This would be highly desirable with the digital mode, being able to monitor the MSK 144 and FT8 frequencies on 6 at the same time.


Tom K8TB

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Bill Frantz        | Concurrency is hard. 12   | Periwinkle
(408)348-7900 | out 10 programmers get it | 150 Rivermead Rd #235 www.pwpconsult.com | wrong. - Jeff Frantz | Peterborough, NH 03458

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