Agreed STL links should be ptp and not on Internet. By using IP on newer Harris STL systems engineers could monitor and make changes without having to drive up to mountain. None of the SCADA links I have done are on Internet except for one on cellular modems. On Feb 18, 2016 1:47 PM, "Daniel White" <[email protected]> wrote:
> I won’t claim to be an expert by any means on STL links. I’ve engineered > backhaul links for broadcast guys though so I know a bit about the > requirements. > > > > IMHO it’s a bad idea to put STL traffic on the internet. Packet loss, > jitter, latency are all very important metrics. Capacity is low… maybe > 2Mbps tops for HD audio (I guess it could be more depending on how many > stations are transmitting from that antenna). Give them a dedicated link. > > > > Telos/Axia and Whetstone are the two encoder manufacturers I’ve run across. > > > > Jeff Holdenrid at DoubleRadius would be a great contact if you’re looking > for ways to make the STL work. > > > > Thank you, > > > > Daniel White > > [email protected] > > Cell: +1 (303) 746-3590 > > Skype: danieldwhite > Social: LinkedIn <http://www.linkedin.com/in/danielwhite84>: Twitter > <https://twitter.com/DanielWhite84> > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *Joseph Marsh > *Sent:* Thursday, February 18, 2016 11:52 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Colocating with fm radio station > > > > If someone has any info on the STL links. Send me a message off list. > > I wanna know everything possible about it > > On Feb 18, 2016 12:37 PM, "Joseph Marsh" <[email protected]> > wrote: > > Josh > > He has 6000 watts on the main transmitter > > On Feb 18, 2016 12:22 PM, "Josh Luthman" <[email protected]> > wrote: > > You could be OK. Definitely not a "will be" especially with unknown power. > > > > Also keep in mind you're supposed to lower the power when climbing on the > tower. > > > > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > > > On Thu, Feb 18, 2016 at 1:21 PM, Joseph Marsh <[email protected]> > wrote: > > So if I do shielded cat 5 I should be okay correct? > > On Feb 18, 2016 11:55 AM, "George Skorup" <[email protected]> wrote: > > We're on a very similar site. We're running 100Mb and GigE links with no > issues. However, external surge suppressors on the tower near the radios > did give us errors, so we had to take them out... and pray. > > On 2/18/2016 11:38 AM, Joseph Marsh wrote: > > The transmitter is 6000 watts 350 ft tall. We are going up at 125ft > > On Feb 18, 2016 11:29 AM, "Joseph Marsh" <[email protected]> > wrote: > > You bet I'll be on the other side of tower with cat 5. It's a privately. > Owned tower so I got leeway to do what I need > > On Feb 18, 2016 11:25 AM, "Chuck McCown" <[email protected]> wrote: > > Metallic liquidtight flexible conduit with shielded cat5 inside. > > > > Stay away from the driven elements as far as you can. > > Some use ferrite cores on the cable too. Can’t hurt. > > > > *From:* Joseph Marsh <[email protected]> > > *Sent:* Thursday, February 18, 2016 10:09 AM > > *To:* [email protected] > > *Subject:* Re: [AFMUG] Colocating with fm radio station > > > > He told us but can't remember off hand > > I got one hell of a deal just had to give him internet for a stl box so > he can do away with a 900 mhz. Ptp system > > On Feb 18, 2016 11:00 AM, "Josh Luthman" <[email protected]> > wrote: > > Far as possible. How much power is the FM station? Definitely use > shielded cable. > > > > > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > > > On Thu, Feb 18, 2016 at 11:54 AM, Joseph Marsh <[email protected]> > wrote: > > How far do I need to be from the fm transmitter to be safe with cambium > and ubnt. Equipment > > > > > > > > > This email has been sent from a virus-free computer protected by Avast. > www.avast.com <https://www.avast.com/sig-email> >
