I have personally noticed that at least on smaller dishes (3ft and lower) Andrew dishes seem to bolt up to smaller pipes...
I don't know if Trango ships with Andrew dishes... but maybe a consideration in the future... Daniel White 3-dB Networks > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Tom DeReggi > Sent: Friday, November 28, 2008 1:36 PM > To: WISPA General List > Subject: Re: [WISPA] Trango Apex > > The only thing I do NOT like about the Radiowave dishes are.... > > The mounts are designed for 4" pole. We usually mount to 3" pole, based on > weight, availabilty, and ease to work with. It can be mounted securely to > 2-3/8" pole, if lots of washers are used. Mounting to 2" pole, doesn't > really work. In an ideal world, it can be argued that for 3ft dishes, that > 3" pole is the minimal size viable to keep it stable enough and prevent > pivot windload. But if the only option is to mount to a 2" dia member, > its > the facts. Often to use these mounts on 2" pole, installers will use an > intermediate, pole to pole mount, and mount a 4" pole to the 2" tower > member > pole. But its a pain in the neck to do that and much heavier to hoist, > and > the antenna is still vulnerable to the weakest link, the 2" tower member. > Or > they Shim the Ubolts with a third pipe > > The problem is that many Towers have only 2" dia members at the > 200ft > heights. Unlike a freestanding mast fastened on one side only, a 2" dia > tower member is usually strong enough for the large antenna. > > What I'd like to see is an adapter made, that will adapt the 4" design > mount > to support 2" pole. This would be accomplished by a metal bracket that > the > 4" Ubolts would be inserted through, prior to sliding through the mount > holes. I'd have much more confidence in that, than 2 inches deep of > washers. > > Note: this is not a disadvantage of Trango, I see this problem with most > all > large antenna mounts, designed for mission critical 4" pole mount. > Some other vendors have a hole/bracket on the mount, that allowed a cross > member from it, so a bar could be extended off to the side, to help > stablize > it, where only 2" pole was available. > > Tom DeReggi > RapidDSL & Wireless, Inc > IntAirNet- Fixed Wireless Broadband > > > ----- Original Message ----- > From: "Brad Belton" <[EMAIL PROTECTED]> > To: "'WISPA General List'" <wireless@wispa.org> > Sent: Friday, November 28, 2008 2:03 PM > Subject: Re: [WISPA] Trango Apex > > > > "One thing I did like, the handles on the ODU of the Giga. Made > aligning > > 3ft dishes a bit easier..." > > > > Wow, just noticed this comment and felt this should be addressed. > > > > The handles should not be used for alignment as the ODU is attached to > the > > antenna - suspended with relatively light duty hardware. This hardware > is > > only designed to support the ODU and not intended to be used to move the > > entire antenna assembly. This is also true with Ceragon, PCOM, DMC and > > Bridgewave to be sure. > > > > The PCOM 38GHz ODUs do have a sort of bump stop built-in that will make > > contact before the ODU is pivoted and eventually forced off, but still > the > > ODU is never to be used as a handle to align with. Always use the > > built-in > > alignment mechanism in the antenna mount and never the ODU itself > > > > > > Brad > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > > Behalf Of Brad Belton > > Sent: Friday, November 28, 2008 12:42 PM > > To: 'WISPA General List' > > Subject: Re: [WISPA] Trango Apex > > > > "I don't understand why Trango did that... my really old PCom links had > > the > > waveguide built onto the dish..." > > > > One reason. Cost. Trango is able to use the same ODU housing for all > > their > > supported freq bands by simply making the waveguide adapter modular. > > > > The early Giga radios shipped the waveguide adapters with screws & lock > > washers. I was concerned this left too little screw thread available > and > > opted to leave the washers off. Now the waveguide adapters come with > > screws > > and instead of the lock washer they have a rubber ring. > > > > While still leaving too little thread IMO, we have never striped one > out. > > It is possible your tech tried to tighten one screw all the way down > > rather > > than tightening the screws in an equal pattern similar to the way you > > would > > tighten lug nuts on a wheel. > > > > I remember emailing Trango and recommending they have their waveguide > > manufacturer mill out a little more material from the screw seat to > allow > > the screw to thread more fully into the ODU housing. Not sure if that > has > > been done or if it is in the making. > > > > I agree the LED display is gimmicky and prefer a BNC port, but does work > > ok > > if you have the align mode on. Without the align mode the LED display > is > > pretty useless. We have found it is also not a good idea to be running > > link > > or rssi commands from the console while aligning the antennas. Doing so > > will slow or diminish the accuracy of the LED readings. > > > > > > Brad > > > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > > Behalf Of 3-dB Networks > > Sent: Wednesday, November 26, 2008 7:00 AM > > To: 'WISPA General List' > > Subject: Re: [WISPA] Trango Apex > > > > One more quick rant... those waveguide pieces SUCK. They caused many > > problems (screws on them stripping out, or some tech installing them the > > wrong way before it was sent up the tower and installed so I when we > went > > to > > align them it wouldn't work because the waveguide was twisted 90 > > degrees...) > > > > I don't understand why Trango did that... my really old PCom links had > the > > waveguide built onto the dish... > > > > Daniel White > > 3-dB Networks > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > > Behalf Of 3-dB Networks > > Sent: Wednesday, November 26, 2008 5:43 AM > > To: 'WISPA General List' > > Subject: Re: [WISPA] Trango Apex > > > > Tom, > > > > Quick question, then my response... do all Apex's ship with the fiber > port > > in them? > > > > I really have to bite my tounge... I don't want to get into what all > > happened (basically I don't want my thoughts made public and the > customer > > I > > was working for to read them) but I was not impressed at all with the > > Trango > > Giga product... I just helped install nine links last week. All I did > was > > install and configure the radios, so yes they said 256QAM at 3xx Meg... > > but > > I didn't get to test it with live data, etc. > > > > What I will say, the alignment LED is a gimmick. Give me a BNC > connector > > hooked up to a voltmeter any day. First my voltmeter is going to read > to > > decimals, which is very helpful aligning long links. Second, the LED is > > about worthless if the sun is shining on it, you have to cover it with > > your > > hands to read the numbers which was difficult on at least one link I was > > aligning. Third, positioning on some towers to align the link made > > reading > > the LED difficult. None of these issues are problems with my voltmeter, > I > > simply just use a strip of electrical tape and tape it to the ODU where > I > > want. > > > > One thing I did like, the handles on the ODU of the Giga. Made aligning > > 3ft > > dishes a bit easier... > > > > With all of that said, what is the price on the Apex now that the summer > > special is long over? Before jumping for Trango, I would encourage > anyone > > to show me a current quote and to see if I can match it with > Dragonwave... > > from what I understand I can come damn close :-) > > > > Daniel White > > 3-dB Networks > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > > Behalf Of Tom DeReggi > > Sent: Wednesday, November 26, 2008 12:38 AM > > To: WISPA General List > > Subject: [WISPA] Trango Apex > > > > Not sure how many of you have tried the new Trango Apexes yet, but I > > thought > > > > I'd share my recent experience.... > > > > OK.... 366mbps, 256QAM, Cost me much less than I was expecting. And.... > it > > just freakin Worked! > > WooHoo! Man, I like this radio. > > > > I specificaly liked the fact that the all outdoor unit, comes with 3 > > ports, > > 1 fiber, 1 GigE, 1 out-of-band managemnet, and supports inband > management > > on > > > > the GigE. > > What I thought was unique was that either of the two Ethernet ports > could > > be > > > > used to provide the POE power input. And also optionally can just run > > stanrdard Electrical wire to the Molex connector instead if prefer. But > I > > was extremely impressed at the flexibilty in options to install this. > The > > alignment LED is also awesome, that is positioned in a convenient place > > and > > shows actual RSSI DB number, as it really speeds up install and made it > > possible for one person to accurately align it. > > > > Also note... The older Giga had some anoying firmware bugs last year in > > their Betas (typical of Beta), and I finally got around to upgrading to > > the > > latest firmwares. (I was 9 months overdue for the task) Guess what... > All > > the problems are FIXED!! Atleast the ones I knew about. I was really > > pleased. I have to say this product line is REALLY coming along nicely. > > > > Only thing I caution to be aware of is.... It takes a while to fully > > understand the relationship of how well your link is performing in > > relation > > to what the MSE value of the radio is. MSE is the equivellent of > > measurement of SNR and distortion. And the ATPC and Adaptive Modulation > > thresholds are based on specific MSEs reached. The MSE feature/meter > works > > good and accurately, it was just an issue of understanding how to > > interperate it. > > > > I was also impreseed on how fast they associate when they are taking out > > of > > opmode and back on in opmode. Its super quick. > > > > Tom DeReggi > > RapidDSL & Wireless, Inc > > IntAirNet- Fixed Wireless Broadband > > > > > > ----- Original Message ----- > > From: "Butch Evans" <[EMAIL PROTECTED]> > > To: "WISPA General List" <wireless@wispa.org> > > Sent: Monday, November 24, 2008 11:45 PM > > Subject: Re: [WISPA] WiMax delays? > > > > > >> On Mon, 24 Nov 2008, Travis Johnson wrote: > >> > >>>I don't think this is entirely true. For us, it becomes a "value" > >>>decision. If there was an AP that would deliver 100Mbps and could > >>>support 1000 subscribers, I would be willing to pay $10,000+ for it > >>>today. There is a real "gap" in the products that are available on > >>>the market: > >> > >> I don't disagree with your assessment of the current product matrix. > >> I don't even assume that ALL WISPs are "cheap". I am not sure I > >> would say that even MOST of them are cheap. But enough of them are > >> that the middle of the road products you want are missing in action. > >> > >>>Next = Mikrotik > >>>Next = Trango, Canopy, etc > >> > >> Since they have fixed their wireless, I'd put MT in the same class > >> as Trango and Canopy. > >> > >>>So, again, why hasn't there been an evolution of products the last > >>>2-3 years? Did everyone stop normal R&D to focus on WiMax? > >> > >> I have an opinion (which I stated in rant form) about what happened > >> to the R&D. The Canopy line (which is a very nice radio) is a good > >> example. Motorola has delivered a product that just works. It is > >> expensive compared to other products sold to the same "marketplace", > >> but it is NOT expensive for what it delivers. Better, yet, they are > >> working to make a new product line that will improve upon what is > >> available today. But their primary market isn't the "normal" WISP. > >> They service companies that are better funded, which typically means > >> larger WISPs, cable companies and telcos. > >> > >> I really hope I didn't offend anyone with my rant. It wasn't > >> intended to do that. I really just wish our industry as a whole > >> would get out of the hole that we have dug with the "cheaper is > >> better" mindframe. > >> > >> -- > >> ******************************************************************** > >> * Butch Evans * Professional Network Consultation* > >> * http://www.butchevans.com/ * Network Engineering * > >> * http://www.wispa.org/ * WISPA Board Member * > >> * http://blog.butchevans.com/ * Wired or Wireless Networks * > >> ******************************************************************** > >> > >> > >> > > ------------------------------------------------------------------------ > ---- > > ---- > >> WISPA Wants You! 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