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At 9v and 100% I was showing 5 watts out with a current draw of around 3.8 amps on FT-8. Cheers Jim

Do you happen to know how much power it is drawing then?

It wouldn't be a 1:1 swap. The GPIO pins are in a different configuration on the Radxa. It might be possible to change all the pin assignments in the software to get it to work.

Next improvement could be this: https://radxa.com/products/zeros/zero2pro/

https://www.amazon.com/Awxlumv-Aluminum-60x150x25mm-2-36x5-91x0-98-Amplifier/dp/B07VDHQDQT

Well, one can buy a bigger heatsink and make it fit to the bottom of the zBitx... https://www.amazon.com/Awxlumv-Aluminum-60x150x25mm-2-36x5-91x0-98-Amplifier/dp/B07VDHQDQT

I find mine very functional for what it is…Do not expect a FT-891, but if you are concerned about functionality, I will tell you mine works better than I expected. Mine is primary for digital modes,

I finally got on the air(portable) yesterday to do some FT8 running Drive@100 for about 45min on 20M and didn't overheat (the back was warm, but nowhere close to hot). The swr was 1:1 into a 17ft

Frank, thanks for the info. However, based on what I am reading, most of this radio’s claimed features are non-functional. CW appears to be unusable in most cases, and I am seeing reports of thermal

At 8.4v(Batts) i'm seeing about 5w on tx [email protected]> wrote:

There are so many things to improve in the firmware, at least I still resist asking for a unit! I'll wait until things become usable. It's not a complaint—I admire the work of the developers. I know

In order to get around any issues with the zbitx overheating, I placed this heat sink on the back. Heatsink 100x60x10MM / 3.93''x... https://www.amazon.com/dp/B0867YGN3M?ref=ppx_pop_mob_ap_share I

I was playing around on FT8 yesterday (just got the radio) at 2 watts and was surprised at how hot the radio got and quickly

Order# 3764 shipped on 5/7 -- 73 clyde K4YWI

Fascinating! The CW area seems to be the one with the issues so far, so many may not need this. But an interesting upgrade option! Good portions of the problem have already been solved by software, so

Haven't opened the zBitx yet, but the adxa zero 2 pro could be the answer to the 'slow' problem. It has more memory, a faster cpu, 16Gb or 32Gb EMMC ...

Hi all, I updated the firmware and software to the latest and Im getting errors in my cli window. any advise? thanks Miguel

The gestation period for zBitx is far less than for most other species with no need to worry about feeding schedules.

Hi all, from what I've understood about the timing issues with CW on zbitx, it seems that the CPU load is at least part of the problem. I personally would love an option to switch off the waterfall

link https://k0tbs.net/ is "unreachable" with Chrome and iMac -- 73 di IW4AJR Loris