I think thats whats getting us is the dual pol burning through 2 80mhz channels at a time. I consider aviat inexpensive as its half the cost of the SAF. I love my SAF, die hard fan, but the quality is so close that the cost wins. We see latency more often for whatever reason. SAF, as long as its aligned and up its sub millisecond to a point i dont have a tool to test. We have had one Aviat unit fail on us, but it hasnt been post mortem to find out why.
I wish we had the 11ghz to plan better all over again, I wouldnt have the mimosa garbage on my network for sure. and we probably would have planned out less links over longer shots between better leases with 5ghz fingers. but its water under the bridge. I just dont want to be that guy with the broken down car and old refrigerator in the yard in the subdivision in regard to the 11ghz neighborhood On Wed, Nov 11, 2020 at 11:53 AM Ken Hohhof <af...@kwisp.com> wrote: > It also pays to plan out your HI and LOW side towers and which links will > be VPOL vs HPOL. If you're doing a ring all in the same band, it helps if > there's an even number of towers, so you can do something like > 1HI-2LOW-3HI-4LOW-backto1HI. Also I think freq coordinators will usually > prefer to do links in VPOL because of slightly less rain fade, so VPOL > tends to get used up. If you have an easy link maybe do it in HPOL and > save VPOL. Of course a dual pol link will use both. > > > -----Original Message----- > From: AF <af-boun...@af.afmug.com> On Behalf Of Ken Hohhof > Sent: Wednesday, November 11, 2020 7:11 AM > To: 'AnimalFarm Microwave Users Group' <af@af.afmug.com> > Subject: Re: [AFMUG] 11ghz etiquette > > What you are doing is totally mainstream, and I don't know why you call > those low cost radios. > > We have a lot of 6 mile 11 GHz links, I think we have one at 10 miles and > one at 16 miles on 3 ft dishes. Yes, if we try to coordinate links near > Cyrus One in Aurora, there are no frequencies, and we had to switch to 18 > GHz for a couple short links in the city of DeKalb. But under 2 miles > should probably be 18 GHz anyway. I occasionally see telco and power > companies using 11 GHz for 1 mile links and yes that's probably rude. And > using 6 GHz under 10 miles is probably rude, although they'll just require > you to dial back your xmt power. We haven't experienced the problems you > describe out in the rural areas, the worst I've run into is having to > juggle things to keep all the links in the same sub band to reduce the > number of spares on the shelf. > > I think the worst you might run into is those 2 ft dishes are Category B > and if that prevents someone else from coordinating a link, they could > force you to upgrade to Cat A (3 ft). I haven't had that happen. > > I do have a few 11 GHz links with 2 ft at one end and 3 ft at the other. > This can sometimes get you the system margin you want if one end can't > support the larger antenna. (At one tower we got lucky and AT&T had > abandoned a 12 ft Andrew antenna that we could re-aim a few degrees and > use.) > > > > -----Original Message----- > From: AF <af-boun...@af.afmug.com> On Behalf Of Matt Hoppes > Sent: Wednesday, November 11, 2020 6:25 AM > To: AnimalFarm Microwave Users Group <af@af.afmug.com> > Subject: Re: [AFMUG] 11ghz etiquette > > We are running 13 mile 11ghz links with the airfiber11 and not seeing > fading with the 2 ft dish. > > What’s your question? If there is no more spectrum there is no more > spectrum. > > > On Nov 11, 2020, at 2:42 AM, Steve Jones <thatoneguyst...@gmail.com> > wrote: > > > > > > We have been putting up a handful of 11ghz links lately and are running > out of available channels in a relatively small footprint. We are limited > to 5 to 8 miles because of antenna size limits. Grain legs wont support > large than 3 foot antennas and many are to sketchy to go above 2 foot. Most > of our rooftop locations wont support larger than 3 foot > ballast/tray/equipment weight and none of our leases on rooftops allow > anything other than nprm. > > Have we shot ourselves in the foot? Are 5 mile licensed links frowned > upon? > > We are really digging the wtm4200 aviat (they're not SAF latency) but > they meet our demand, price is right and support is good. But I'm wondering > if low cost radios got us greedy and spectrum rude. > > -- > > AF mailing list > > AF@af.afmug.com > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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