Another newbie observation, but thought I would share the details because I’m keen to learn.
I can appreciate that on fine days and weekends I see a lot of extra light aircraft coming out to play and adding to my daily totals. However what I found interesting having had a look at some nearby sites, was that we all share a peak around 20 Jan here in UK.
I correlated that with data from my weather station and sure enough we had the highest pressure reading (around 1048 mbar at my QTH) that I have seen in long time!
Since I’ve only been involved with receiving ADS-B for as little as a month I don’t have any feel for the impact on DX at 1090 Mhz.
In general do other folks in the community observe correlations with tropospheric openings (such as ducting) which often helps amateur radio contacts at VHF frequencies?
Here’s my observed correlation to the building pressure gradient that we experienced in UK earlier in the month…
It’s not clear from my data if this is just coincidence or if watching the pressure reading in future would be a useful predictor for better totals. I’m still going through a period of tuning gain on my own receiving site but I’m coming to realise that it’s not a simple matter