"It seems pretty obvious he was poking fun at an antenna that in all reality is essentially a coil-loaded baseball bat." The antenna is a copycat of the predator 10k The predator 10k, is approx 79 3/
I think when people say they need a 9/16" rope for 200 lb loads, something seems wrong. If you need to handle the rope, it might be cheaper to buy a rope ascender (or two) to provide grip/pull on the
well, I would reinforce my opinion then. If you think humans grabbing a 9/16" rope with their hands in front of them, maybe wearing gloves, meets the safety requirements you described ($100k damage)
Scott said "I built a 40m 2 element Yagi. Physical detail on the antenna can be shared if pertinent. It plays well, but I would like to utilize a DXE beta match to see if I could improve the match. I
K3LR recommended the W6NL moxons. Yeah I had looked at the various W6NL variations, and decided against them. In the end, I'm not convinced the extra aluminum is worth it, compared to a regular moxon
40M 2L 50 ohm impedance? with reasonable gain/f/b/swr bandwidth? I don't think so, or I couldn't do it (with my boom length and full length elements) Am I missing something? Actually I did create one
Don K5AQ to me mentioned the 50 ohm yagis in the ARRL antenna book. . I have 20th ed so. let's see. oh yeah Don's right..I guess I misremembered stuff.. But let's look at the performance: using the A
Don pointed out a mistake in what I said... Correcting something I said about the ARRL antenna book 40M2L. I said something wrong about it's swr bandwidth, but it confirms what I'm saying anyhow. I m
In all of these posts, there's an implicit claim that the location of the desired object is fully random. It's not, right? For instance, in the pvc case below, the installer has probably seen the ful
There has been nothing presented that says the results of divining are better than the results of random hole drilling for a given location. If 80% of random holes drilled hit water, than anyone can
I was doing some googling. This post does involve EM waves and dipoles, so is on-topic :). However there's numbers and antennas, so it may be OT. There's an interesting thing that people are research
for what it's worth: I ordered a number of 2.4" toroids from Arrow, type 31 and 43. They packed ten to a custom foam sheet with holes cut to size the toroids..with foam under and over that, then with
If you're 55+, using a ladder seems to have a lot of risk. http://apha.confex.com/apha/135am/recordingredirect.cgi/id/17261 (you can click on a pdf link there) in this study: (workplace fatalies) Rel
my point is that a fixation on height having a correlation to risk is wrong. There are many things that introduce risk when you're in a possible fall situation. Height doesn't change the risk (once y
did some more googling ranking death rate by fatality rate in 2006 Tower climbing leads the pack: (per worker) http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=SPEECHES&p_id=1267 <http:/
My tower climbing is modest. Most of my experience comes from rock climbing. In the rock climbing world, there is a lot of information sharing, accidents, what works, what doesn't etc. There's very l
I like rivets. But I think there's a different issue here. Rivets are nice for telescoping straight tubes that fit nicely within each other. And in fact I just ordered a bunch of Avex rivets from Ai
I have an Idiom Press card for Yaesu G-1000 dxa. Works great. but you got me thinking about what are current alternatives, feature wise. (without replacing the whole controller) (I have two other con
Talking about MFJ-259B reminds me of my recent experience which I was happy with. I had killed my MFJ-259B somehow. Possibly RF overload on the input. Don't know. Came up with 0 Mhz no matter what. R
Good ARRL article on tuning t-network tuners http://www.arrl.org/files/file/Technology/tis/info/pdf/9501046.pdf I was going to say, based on my limited experience, than you shouldn't sweat the L vs C