Category Archive: BITX40

May 08

BITX40 Case Build: W7RLF

I recently took delivery of a BangGood Instrument Case, which sells for about $10. Many BITX40 owners have used this case to good effect. It’s big enough for the BITX40 with some room to spare, and the price is right. Being plastic, some consider it inferior as a radio case, but for me it’s a …

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May 05

BITX40 Is it a good Beginners HF Radio?

People often look at the price of the BITX40 and assume that at such a low price point it must be a good entry into HF Radio. But is that really the case? Let’s take a look at a few facets of the BITX40, and you can see if it’s the right radio for you. …

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Apr 19

BITX40: Vox for digital modes

Last week I talked about Going Digital with JT65 on the BITX40. In that article I mentioned that to key the radio automatically either a computer interface  or a Vox circuit would be needed. It was my intention to use a vox circuit. I posted to my usual haunt, the BITX40v3 group on Facebook and asked …

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Apr 10

BITX40: Going Digital with JT65

Last week I posted about adding Upper Sideband to the BITX40, which is not an Upper Sideband radio. Once I got that modification done, I could clearly hear the JT65 signals on 7.076mhz, but… what were they saying? It was time to dive into the world of Digital HF! What is JT65? Simply put, digital …

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Apr 07

Modifying the BITX40 for Upper Sideband

These are the capacitors to remove, c91 and c92

Because some digital modes require Upper SideBand (USB) to work properly, many people have been wondering how to get the BITX40 on Upper Sideband. Well, I’m here to show you- it’s pretty easy! First, we need to understand that to get the BITX40 on Upper Sideband, we just want to change from a negative offset …

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