Ok, I wont ask that, but tell us how you fixed the coax which got detached from antenna and fell to the ground 
It was not the F type, mind you, it was BNC. And it was not outdoors.
Soldered connections, at all possible, and tying the cable to the mast, with some slack, as to relieve the connector from the cable weight.
Like this one …
2-meters J-Pole + 1090Mhz Franklin on the arm at right of mast
Click on the image to see larger size
Click once more to see full size
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The one on the 1090 antenna, yes.
The other, on the 2M J-Pole, looks like a coax balun.
One additional observation. This kind of slack can also back fire on BNC, unless it’s a tight fit. Again don’t ask me how I know that. 
Ok, here it goes: My Mini-Whip HF active antenna is installed on a fiber glass fishing pole, as it’s not advisable to install it on a metal pole. The slack pushed the BNC up, the wind made it twist and come loose.
How does that J-pole work for? I’m just about to get one off ebay for my garage. Receive only for now.
Scott
The one in the picture is for the 2M amateur radio band, 144-148 MHz. Not a proper antenna for ADS-B.
For 2M meters, it’s nice. I used one made with 300 Ohms twin lead TV cable. It’s the Quick Spider equivalent in terms of being easy, and forgiving to build.
Wish you had the FA antenna on that graph…
I’m going to pull down my FA antenna and solder on a single RG6 to N connector. I think maybe I didn’t (at all) weatherproof those adapters up there (F-type to N to FA antenna).
absolutely ! run into this many times, specially in summer with heat and moderate winds.
I’m not surprise you had problems if you tried to put an F-connector on RG58 as the dimensions are wrong.
I’ve used the twist-on for years and never had one fail (so long as you don’t use an RG6 connector on RG59).
They cannot be considered waterproof and need self-amalgamating tape if used outside.
I’d much rather use these cheap F-connectors than PL259/SO239 that really don’t perform well at this frequency.
Amphenol (who make first class connectors) rate their PL259 as having a max. freq. of 300MHz.
As an aside, my first satellite receiver kit was supplied with these F-type connectors and it worked fine for its lifespan.
You may want to rethink your approach. RG6 uses aluminum braid an you’ll have a hard time soldering that.
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That twist on deal was definitly a cobb job form nay years ago. My bad for sure. I probably had to trim the foam insulation to get it attached. Regardless it’s gone now! 
The connector I ordered is a tip solder/crimp deal - no solder on the braid.
I normally use Teflon coated PL-259 connectors on everything (copper / copper RG8X mostly)
when you compare you antenna you should try and give them the same view of the sky.
Your j-poles being much taller are probably being hampered by the wall above the window. whilst the spider being lower down can see more sky
The feeling that the j-poles are hampered by ceiling & wall above window, while spider is not, is greatly exageratted due to camera position.
The j-pole photos were taken whil I was on floor with camera lower than the J-poles, while spider photo was taken with me standing on a small ladder, bringing camera at same level as spider.
Unfortunately I have discarded all these antennas. Next time if I make these, I will lower the support bracket by one meter, and test spider and j-poles at lowered support, so that there is no doubt of taller antennas shadowed by wall & celing.
I didn’t say anything about performance
My point is simply that at 1 GHz, it’s not an RF ground.
figured the photos may be exaggerating the look of the angle, hard to tell.