Depending on population density and current monthly rates for high speed
internet, your node could service from 100-300 customers. Local rates here
are around $50/mo. Do the math. Great revenue source at modest
installation cost (around $25,000). Do it yourself by getting a T-1 line
from the phone company and link to a Cisco router. Talk to Motorola. They
have several systems available.
[mailto:firstname.lastname@example.org] On Behalf Of Rick Bullon
Sent: Sunday, November 07, 2004 9:37 PM
Subject: [TowerTalk] Wireless internet antenna on ham tower
Last week I learned that in the next 2 to 3 weeks we will have high speed
wireless internet service available ( hooray). I stopped by the local
computer store that was offering the service. The owner took me into his
office and did a line of site survey on his computer, based on my location
and the tower that is going into service later this month. Well according to
the tropo program his is running there is a large hill between me and the
tower site that will block the wireless signal. (which I find hard to
believe because the tower is the same one that the local 2 meter repeater
is on and I can hit that full quieting with a handheld and 2 watts)
Anyway he said that he could not service me as there was no line of site for
the signal. I mentioned that I had a 70' tower ( Rohn 25) and he ran the
program again with the receiver antenna at 50' on my tower. Now we had a
line of site.
Now the questions
1 I was told the internet antenna was about 2' square and the signal was 2.8
ghz. My tower has a TH-6 @40' another TH6@70' and a F-12 EF240X@about 80' I
don't think this little antenna has small enough wind load not to over load
the tower right?
2 Since I am going to only be active on HF then I should have to worry about
interference from or to the internet antenna right?
3 Now this is where I am concerned I plan to shunt feed the tower for 160.
If I decide to run QRO on 160 do I need to worry about frying the internet
4 in the future I need to get an antenna up for 80 meters I have a full size
dipole I can use for now. Later I am thinking about 4 slopers any problems
The guy at the computer store said that I may in a good position for an
internet node here at my QTH. Do I really want to consider this what are
the pro and cons of this? I seem to remember a thread on here about someone
being approached by a cell phone carrier to use his tower for a cell link
but I think this is a little different as the antenna is smaller. I already
know about getting them to take responsibly for inference problems as they
are unlicensed and I am the licensed party anything else?
I also know to make sure they have proper insurance in place before I let
them on my tower anything I am forgetting anything?
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
TowerTalk mailing list
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
TowerTalk mailing list