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Old 07-13-2020, 11:58 PM
Stinky Stinky is offline
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Won't I need a speaker or headphone jack for practice?
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Old 07-14-2020, 06:45 PM
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DKR DKR is offline
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Originally Posted by Stinky View Post
Won't I need a speaker or headphone jack for practice?
LOL, my bad, I read what your wrote and not what you meant.

Yes - you'll need a CPO

Code practice oscillator.

If you have the SW-3B, you can set the VFO for outside of the ham bands and the rig inhibits transmit - good way to practice on the rig you will use.


QRPGuys have what you need:

or on fleabay
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Old 07-14-2020, 08:29 PM
GuyFawkes GuyFawkes is offline
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You can do what I did for a practice oscillator, use a digital multimeter on the continuity setting.

Here's a 1950 Vibroplex Lighting Bug that I just restored, I used the DMM to verify it worked and realized that I can use it for practice.Click image for larger version

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