I put a Heltec 32 V4 configured as a repeater near the top of a tree
roughly 60-70ft above ground yesterday and initially the results were
very discouraging: I could no longer hit the Carolina Backhaul in Chapel
Hill I'd been clinging to earlier; by setting coding rate to 8 aka "max
error correction bits" I could ping it and get an ack one time out of
three. But I left everything running over night and this morning the
contacts in the companion driven node connected to my repeater had maxed
out. One of them jumped right off the screen of my phone: DH Hill
library at NC State 14 miles away. I tried pinging it and had immediate
and repeatable success! So I have at least one reliable path out of my
"tree farm near Apex" with this setup and hopefully there will be others
in the companion node's contact list and data structures inside the
repeater. I'm fully expecting this link to break down on rainy days
until I can get a node above most of my trees. Still, this success will
keep me going. And this setup is a hack, running with a 10AH battery.
I'll keep it up as much as I can after protecting the guts from rain and
as time allows swap in solar power and hopefully get it near the top of
a very tall Tulip Poplar here. The immediate priorities are to turn
attention back to gathering info and publishing it on the TriEmbed web
site and proposing some fun-oriented tutorial meetings.
Pete
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