so what i want to know is if i place a 900sm (13db yagi) alongside a ham radio antenae will it cause me an problems.i know nothingabout ham radio frequency but i want to colocate on my subs exsisting ham tower as its over 40 feet in the air and gives me tree clearance (los at 40 feet)
Here is a list of the HAM Radio freqs:
http://www.csgnetwork.com/hamfreqtable.html
As you can see it should not be a problem but it depends on the power they are using, and how tight the filters are.
We had an install using 900 gear on a ham operators house - we needed more height and stuck it on his ham radio tower
LUID: 014 : MAC: 0a-00-3e-91-82-70 State: IN SESSION (Encrypt Active)
Site Name : Doug Sheppard SM
Software Version : CANOPY 7.2.9 Jul 23 2005 01:49:03
Software Boot Version : CANOPYBOOT 3.0
FPGA Version : 020205 (DES) P9
Session Timeout: 7, AirDelay 68 (approximately 1.89 miles (9996 feet))
Session Count: 2, Reg Count 1, Re-Reg Count 1
RSSI (Avg/Last): 1592/1593 Jitter (Avg/Last): 2/2 Power Level (Avg/Last): -64/-64
DnRate(S): 768 DnLimit(S): 500000 UpRate(S): 768 UpLimit(S): 500000 (kbit)
Pretty much rock solid - I actually rebooted this today after up 32 days without a re-reg to throttle him back
I’d definitely give it a try
Jerry Richardson wrote: Here is a list of the HAM Radio freqs:
http://www.csgnetwork.com/hamfreqtable.html
As you can see it should not be a problem but it depends on the power they are using, and how tight the filters are.
One minor issue with this chart though... it only reflects amateur allocations below 450MHz. It does NOT show any of the amateur allocations above 450MHz. A more accurate allocation table can be found at: http://www.arrl.org/FandES/field/regula ... dplan.html
Of particular note is that amateurs do have allocations at 900MHz, 2.4GHz, and 5.7GHz, all of which are used by Canopy devices. As amateurs are a licensed service governed by FCC Part 97, they do take precedence over Part 15 devices, under which Canopy, 802.11, and other unlicensed devices, are certified.
Thus, make sure that when you go onto a ham operator's tower, that he's not a VHF/UHF/Microwave buff (like I am) and has equipment that operates on those frequencies.
I have a 900sm mounted on a Ham tower about 10’ from HF antennas running 1.5kw power on 10/15/20/40/80 meters with no problem.
More info on Ham frequency’s, some wisp people may not be aware that Ham’s are even on 900mhz, but they are most running 100 watts or less, but they can run up to 1.5KW.
Here is a list of 900mhz repeaters, see if there is one near you…
http://ohioaprs.net/ar902/