It will be carrying scada. 900 is out as the noise floor at the lower end is around -60 or so(middle of natural gas field).
On May 6, 2015, at 2:18 PM, Ken Hohhof <[email protected]> wrote: > When you say low speed, how low? Like telemetry/SCADA speed? There are FHSS > systems intended for long links in 900 and 2.4, Jaime would be the expert. > I’ve also seen power companies and railroads do low speed links in licensed > 900 MHz, usually with a paraflector at each end. > > > From: Dan Petermann > Sent: Wednesday, May 06, 2015 3:13 PM > To: [email protected] > Subject: Re: [AFMUG] 65 mile link > > 9402’ at one end and 7271’ at the other. Mountainous with no trees almost no > vegetation. > > > On May 6, 2015, at 1:09 PM, Chuck McCown <[email protected]> wrote: > >> Good point, what does the path look like? If it is hill country or >> mountains, high to low etc diversity may not be needed. But if the path is >> flat at essentially the same elevation, it may be needed. If the path is >> flat, same elevation over smooth stuff or water diversity will most likely >> be needed. >> >> From: Colin Stanners >> Sent: Wednesday, May 06, 2015 12:57 PM >> To: [email protected] >> Subject: Re: [AFMUG] 65 mile link >> >> You need spatial diversity for a link that far, and a good air protocol so >> PTP400 with one 4ft or larger dish at one end and two 4ft dishes (separated >> by 50ft? Link planner would tell) at the other. >> >> On May 6, 2015 12:15 PM, "Dan Petermann" <[email protected]> wrote: >> I have a customer that needs a low speed very long link. >> >> Link is 64 miles, 2200’ elevation change. >> >> I’m looking at a Last Mile Gear connectorized PTP100. Reliability is >> definitely needed. >> >> Any other radios you guys would recommend? >> >> 900MHz is out due to noise floor. >> >> > >
