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This thing is really cool. I was going to download one of the iPhone apps but I'm glad I stumbled across this. One of the things I did was pull up youtube videos of people using physical timegraphers. I was able to get some readings that seemed to match but it was difficult as theres usually background noise or people talking. Also, if the person recording changes the position of their camera mic it affects the measurements. On one video I used you can see clearly in the graph that something is off on one side of the pallet fork, as one line is nice and the other is a mess of dots. What was cool to see was when this program picked up the tiks a very similar pattern emerged. You guys can give this method a try (if you don't own a physical timegrapher yourself) but its not going to give the most consistent results in terms of comparison.

I tested my watches, which are mostly cheap sub $200 nothings and one tag aquaracer (ETA 2824-2), with my built in Mac microphone and a set of Apple EarPods. Both of which gave pretty much exactly the same reading. One thing I noticed when I tested my Tag, which has been losing about 5 minutes a month, was that if I placed the watch on a flat surface I got a reading of around +2s/d in most positions. However, if I put the watch on my wrist and taped the microphone to the watch I got a reading of about -9s/d. This would be the number I would expect as that equates to almost -5min/month. I feel like this could be due to temperature but it seemed to confirm my observations over the last few months.

The reason I wanted a timegrapher program was purely out of my own curiosity to see what my watches would register. I only actually learned what a timegrapher was today when I googled "how to test watch accuracy?" so take my mini review from a complete newbie's perspective. Anyway, thanks for the program!
 

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For those wondering how to install the update on a mac, here is what I did that seems to work.

run, in terminal, [brew uninstall dmnc/horology/tg --HEAD]
Then run, [
brew install dmnc/horology/tg --HEAD]

This uninstalled the old and reinstalled the new.
 

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Mac update worked for me. I did run into some issues but I think I was using the wrong command (update vs upgrade). Anyway it seemed to install correctly and runs just fine now on the new version. Although I don't notice any major cosmetic improvements. It pretty much looks exactly the same as before.

All in all, I love using this thing!

Thanks guys for the updates :)
 
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