Do you have Heliax or smoothwall cable? Heliax has a corrugated shield. There's no reasonable way to install JMA/PPC compression connectors without the Ridgid compression tool set, which is around $4
Kind of vague John, but here: LMR400 style 3/8" cable is suitable for many applications. If it's suitable for YOUR application, I can recommend the Shireen 400 knockoff at around $400 for a 1000' ree
Point taken about the OP's subject line. However at this point in time it's hard to come up with a reason for sticking with RG213, except for rotator loops perhaps, since LMR400 is a superior cable.
There's an old saying among news reporters and editors -- "If your mother says she loves you, check it out!" And they ripped that off from BB King: "Nobody loves me but my mother, and she could be ji
Of course. I just always LOL at BB's phrasing. -Steve K8LX Probably the other way around. The point of it, among reporters and news people is to NEVER print anything you're not really certain is tru
Depends on: 1) How badly the pieces are fused. 2) How valuable the pieces are. 3) How much patience you have. I had some stuck aluminum tower sections that I spent considerable time on many years ago
I've handled this situation a couple different ways. I usually like to keep the equalizer plate(s) a little higher off the ground, so use a couple of 3' long parallel angles or plates, attached with
In general, the taller your height requirement, the more you save as a percentage of cost with a guyed tower. Very short SS towers (60' is in the very short range) are cost effective, saving you the
How many bolts? Obviously 10 bolts will have 10x the strength of one, including pull out strength. Most SS towers are designed for fewer large bolts rather than many small bolts. Part of the reason f
Yep, because closely spaced bolts can more easily pull out a *chunk* of concrete containing all the bolts than widely spaced ones. I was thinking of bolts *slipping* out of the concrete. -Steve K8LX
That's where a "chain pipe wrench" is indicated. -Steve K8LX _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listin
An adjustable mast clamp is good, but doesn't solve the fairly common issue of the rotator not being centered in the tower (or not lined up with the upper collar/thrust bearing). A neat solution is t
Andrew published some research that shows the PIM (passive intermod) differences between braid and solid copper shields for coax. I couldn't find that pdf on the web, but it shows how braid generate
Mostly true. For HF it's insignificant. For UHF and above it's insignificant for receive only or simplex. For UHF duplex (repeaters) I *think* it can be significant. LMR style cables have very poor P
Mostly true. For HF it's insignificant. For UHF and above it's insignificant for receive only or simplex. For UHF duplex (repeaters) I *think* it can be significant. LMR style cables have very poor P
Terry, Since you've looked on youtube, I assume you've seen: https://www.youtube.com/watch?v=5_NlDslWBaI In spite of my many years in the cell industry, I've never used EZFit connectors. But the vide
Only if you use too-small thimbles. Properly sized thimbles for your properly installed big grip will be...just right! Big enough radius so it doesn't fall out, and strong enough to not compress from
I'm not convinced that a preform/thimble combo MUST be mated to a straight cylinder, even though the examples shown don't include anything but. I've seen BIG preforms installed through a closed link
Why are you leaning toward air cable? What's your application? -Steve K8LX Well, okay, if I have to start from scratch, I'm looking at Commscope's HJ5-50 7/8" heliax or something equivalent. Since I'
The 4.1-9.5 has been around for 15 years at least, and is the one properly called mini-DIN. The 4.3-10 is much more recent, and was developed specifically with ultra low PIM in mind, plus high densit