Good for you! The repeater is up.
I see no issues with ping times to key customers while the transmitter is running. I will continue to monitor it very closely. Thanks all for your hints and input. The control OP lives in town, about 4.5 miles away. He is almost full quieting with a little Vertec 500 mw HT. He is full quieting at 1 watt, with it plugged in. Anybody have an old preamp sitting in a box? 70 cm? I think we need to try turning off the input tone and leave it transmit a tone. I think it would make it more user friendly for some of us old eyed gents. It's not like there are a BUNCH of 70 cm repeaters in Central Iowa. We ran coax down a tower leg not holding CAT5. The standoff is made from a pair of those nice "ball socket" panel mounts back-to-back. The top is "lassoed" with a wire loop inside a piece of 1.25" architectural square building stock. That piece is lashed to the tower with stainless hose clamps. Should keep it from whipping in the wind. Mike At 02:01 PM 10/27/2009, you wrote: >Now if only I had my radio anymore... oh, and I got off my butt and got a >license. > > >----- >Mike Hammett >Intelligent Computing Solutions >http://www.ics-il.com > > > >-------------------------------------------------- >From: "Mike" <[email protected]> >Sent: Tuesday, October 27, 2009 12:55 PM >To: "WISPA General List" <[email protected]> >Subject: Re: [WISPA] Amateur repeater on a wisp tower -- gotchas? > > > Yes the split is 5, my fingers typed 6. The repeater frequency is > > 444.000 with a standard 5 MHz offset to 449.000. The tone will be > > 114.8. So, if you are ever driving down Hwy 30 between Cedar Rapids > > and Marshalltown, you are welcome to use it; it is an open repeater. > > > > > > > > At 12:42 PM 10/27/2009, you wrote: > >>Depends on the band... For UHF 440 MHz, the split is usually 5 MHz (same > >>as > >>LMR in the UHF band). For VHF 144 MHz, the split in the US is 600 KHz > >>(0.600 > >>MHz). > >> > >>Typical voice channel bandwidth is under 20 KHz for wideband and less than > >>12.5 KHz for narrowband operation... A far cry from the 5 and 10 MHz > >>channels of 802.11x operation :) > >> > >>On Tue, Oct 27, 2009 at 11:39 AM, Mike <[email protected]> wrote: > >> > >> > Josh: > >> > > >> > Amateur operators, besides talking world wide on HF frequencies, have > >> > primary allocations in various slots in the spectrum. Besides 440 > >> > (UHF) there is 144 MHz (2 meter VHF), and 220 MHz (VHF). 2 meter and > >> > 70 cm repeaters are common in the ham world. What happens is an > >> > operator is able to talk to the repeater on the input frequency, and > >> > the equipment transmits on another frequency. So, low powered hand > >> > held devices (or mobile devices) can talk a great distance with low > >> > power, THROUGH the repeater instead of station-to-station, which > >> > would be simplex. The repeater equipment we are using has a built-in > >> > cavity so the same coax and antenna can be used for transmit and > >> > receive at the same time. There is a 6MHz separation between > >> > transmit and receive frequencies. > >> > > >> > Mike > >> > > >> > At 12:29 PM 10/27/2009, you wrote: > >> > >Can you please explain "2 meter ham gear"? > >> > > > >> > >Josh Luthman > >> > >Office: 937-552-2340 > >> > >Direct: 937-552-2343 > >> > >1100 Wayne St > >> > >Suite 1337 > >> > >Troy, OH 45373 > >> > > > >> > >"When you have eliminated the impossible, that which remains, however > >> > >improbable, must be the truth." > >> > >--- Sir Arthur Conan Doyle > >> > > > >> > > > >> > >On Tue, Oct 27, 2009 at 10:37 AM, Kurt Fankhauser <[email protected]> > >> > wrote: > >> > > > >> > > > In my experiences with 2 meter ham gear that is around Ethernet > >> > > > there > >> > is a > >> > > > lot of interference from the Ethernet to the ham guys stuff. I've > >> > > > never > >> > > > seen > >> > > > the ham guys cause interference though to any wifi gear. > >> > > > > >> > > > Ham guys are a whole different breed of folk and depending on how > >> > > > these > >> > > > ones > >> > > > your talking to are they may be an invaluable asset to you or they > >> > > > may > >> > be > >> > > > your worst nightmare. The ones around my area are the later and > >> > > > anyone > >> > that > >> > > > gets involved with them end up regretting it later down the road. > >> > > > > >> > > > Just my 2 cents, > >> > > > > >> > > > Kurt Fankhauser > >> > > > WAVELINC > >> > > > P.O. Box 126 > >> > > > Bucyrus, OH 44820 > >> > > > 419-562-6405 > >> > > > www.wavelinc.com > >> > > > > >> > > > > >> > > > -----Original Message----- > >> > > > From: [email protected] > >> > > > [mailto:[email protected]] > >> > On > >> > > > Behalf Of Mike > >> > > > Sent: Tuesday, October 27, 2009 9:17 AM > >> > > > To: WISPA General List > >> > > > Subject: [WISPA] Amateur repeater on a wisp tower -- gotchas? > >> > > > > >> > > > Wispers: > >> > > > > >> > > > I have a 180' tower sitting high on a hill above the county seat. > >> > > > It > >> > > > has a mix of 5.8 and 2.4 radios and sectors/dishes. We want to > >> > > > install an amateur repeater on the tower, initially at 70 cm > >> > > > (440MHz > >> > > > UHF), and eventually a 2 m (144MHz VHF) radio. The dual band > >> > > > antenna > >> > > > feed point will be at 120'. It is 17' long. There is no microwave > >> > > > equipment below 160'. > >> > > > > >> > > > I don't think there will be any issues with interference either > >> > > > way, > >> > > > but thought I'd tap into the wealth of knowledge here to see if any > >> > > > of you has any experience doing anything like this on your towers. > >> > > > > >> > > > Is there any mixing at uhf (or VHF) going on in the microwave radio > >> > > > cards? I can't find specs that even speak of intermediate > >> > > > frequencies. Gotchas? Hints? Comments? > >> > > > > >> > > > Thanks! > >> > > > > >> > > > Mike G > >> > > > > >> > > > At 06:38 PM 10/26/2009, you wrote: > >> > > > >My 24 hours is expiring and I don't want to pull this unit down. > >> > > > >Mikrotik's site wants me to authorize my credit card, a process > >> > > > >I've > >> > > > >begun but my credit card company won't post the transaction for a > >> > > > >few > >> > > > >days. Can anyone sell me a level 4 license for an x86 machine now? > >> > > > > > >> > > > >Thanks! > >> > > > >Greg > >> > > > > > >> > > > > > >> > > > > >> > > > >----------------------------------------------------------------- > >> > > ---------- > >> > > > ----- > >> > > > >WISPA Wants You! Join today! > >> > > > >http://signup.wispa.org/ > >> > > > > >> > > > >----------------------------------------------------------------- > >> > > ---------- > >> > > > ----- > >> > > > > > >> > > > >WISPA Wireless List: [email protected] > >> > > > > > >> > > > >Subscribe/Unsubscribe: > >> > > > >http://lists.wispa.org/mailman/listinfo/wireless > >> > > > > > >> > > > >Archives: http://lists.wispa.org/pipermail/wireless/ > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > >> > > >> > ---------------------------------------------------------------------------- > >> > > > ---- > >> > > > WISPA Wants You! 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