>> Here's something I've used for temporary ham radio antenna supports: =A0=
Screw
> a pipe flange to a slab of 3/4" plywood....

That triggered another thought - possibly not as potentially useful as
my "car spring" one but ...

Car / truck wheel with tyre.
With or without water fill.
Hole though middle.
Could bolt to middle or could insert lightly in ground so pole base
takes side thrust and wheel takes a modified mix of moment arm from
pole plus reaction from pole tip in ground. Sounding good.

Tent pegs of olde school persuasion - used to be lengths of thickish
steel folded over at top, could be driven through stud holes to assist
with anchoring.

Short lengths of rebar must be cheap and largely unwanted, Scrap value
at most*.
Lengths of rebar are probably better than warratas for hammering in as
guy anchors.

(*That said, I long ago knew a man who used to acquire scrap rebar and
weld it into longer lengths and sell it. His product  was fully
certified  for commercial use)



           Russell.

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