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HelicopterMain Discussion › How To Catch My Neighbor?
06-06-2004 07:01 AM  13 years agoPost 1
mike lewis

rrApprentice

northeastern AZ

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I have been flying my heli at my home. I live in the country on one acre and my neighbors are about 200 yards to 400 yards away. I have had several crashes at home and none away from home, before I fly I turn on my radio and every thing is smooth I don't get any glitches or any nervous servos at all but after 2 to 4 minets of running the engine and flying I get total and complete radio wipe outI believe someone is causeing me interferience in order to stop me from flying I don't know if it is because of the smoke or the noise but it is happening; almost every time I fly at or near my home How do I find the source of the RF

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06-06-2004 07:10 AM  13 years agoPost 2
Stretched

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Mobile, Alabama

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It may not be the neighbors. Some things just affect certain channels. Powerlines and such.

I know at our field I think its channel 11 that conflicts with something, don't know what, but it does. And its always at a certain spot.

Have the glitches started in the same spot everytime?

If possible, try a different channel.


Just a thought.


Scott

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06-06-2004 07:35 AM  13 years agoPost 3
Heliscat

rrApprentice

Dublin, CA

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common courtesy

way back when, my dad used to use a frequency generator to mess with me when I was running by blackfoot truck around the street, he thought it was hilarious. Now that I look back on it it was kinda funny. Although I don't think your neighbors are the cause for your problems because you would need a ltiile bit more sophisticated equipment to find what frequency your heli is on, it would be much easier to simply shoot it out of the sky with a potato cannon. Go somewhere else and fly and see if you encounter the same problem or do a range check.

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06-06-2004 09:26 AM  13 years agoPost 4
psawya

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Woodinville, WA

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Get an ICOM scanner.

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06-06-2004 10:38 AM  13 years agoPost 5
flyoz

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Melbourne, Australia

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Ask around re anyone using welders at the time. (high pwr farm equip welders etc).

Particularly any Plastic welders used by light industry - These suckers spit out an EMI (Electro Magnetic Interference ) spike up to a few miles if in direction with an an eliptical envelope, a few hundred meters the other 330+ degrees. Full of dirty RF.

Also you wouldnt happen to have a mobile Phone tower near or aimed across your property per chance?

The Telco's say their clean but I suspect inter tower comms the culprit of some strange goings on in our RC stuff

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06-06-2004 06:23 PM  13 years agoPost 6
HeliWhacker

rrApprentice

Childersburg, AL.

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I use a Radio shack freq counter:
http://support.radioshack.com/produ... Scopes&Reuse=N

dont know the range it would detect a tX.
I only use it close by.

.

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06-06-2004 07:58 PM  13 years agoPost 7
ShempHoward

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San Francisco, Ca - too many beggars + bad drivers

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Channel 20 is banned at one club I fly at and strongly discouraged at another club I belong to as well. The reason is that Channel 4 TV apprently causes problems on this channel. Possibly something similar might be happening to you. I doubt your neighbor is the cause of your problems. Try flying at another location far away fom where you fly now and see what happens.

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06-06-2004 09:57 PM  13 years agoPost 8
Fullagas

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Michigan

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.
Believe the worst first (unfriendly neighbor), then go from there. It's probably another source, but check the area for ham towers first.

Our club had a nice site out in the country a few years ago, after 2 years we began to have many unexplained crashes. Found a neighbor down the street who was a ham. One member who was also a ham brought out a freq. counter, we found out the guy would start to transmit on our freqs after we'd been flying an hour or so. We threatened him with litigation and he stopped, but we lost many aircraft before we found him. Lost the field to developers.

Flying helis since gyros had springs.

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06-06-2004 10:42 PM  13 years agoPost 9
scottc

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shakopee minnesota..USA

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has this happened to you before,did you change channels on you radio,were iam at we are told not to use cahnnel 31 because of the airport that is like 25mls away.

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06-06-2004 11:54 PM  13 years agoPost 10
E_eves

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Cincinnati, OH

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Have you tried talking to your neighbors?
.
.
.

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06-07-2004 12:11 AM  13 years agoPost 11
Rob Shaw

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Egham, Surrey, UK

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Have you tried simply changing Channel ???

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06-07-2004 12:17 AM  13 years agoPost 12
vitek

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Corvallis, OR

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A buddy of mine thought that his neighbor was trying to shoot him down. He went and got a module and RX on a HAM frequency [after taking the test], and a frequency monitor.

That way he could [more] safely fly while someone else sat in the garage and watched the frequency scanner for unusual behavior.

Never did figure out if it was the neighbor though.

Travis

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06-07-2004 04:17 AM  13 years agoPost 13
dkshema

rrMaster

Cedar Rapids, IA

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Your neighbor knows what channel you're flying on? He knows enough that he can shoot you down by operating a radio on the same channe? Then purposely bought a radio so he could shoot you down?

Possible, but improbable.

A fellow this savvy would also have to understand the dire legal and financial situation he would be putting himself in were he to cause a bodily inury or death as a result of that intentional jamming. Reasonable people don't take those kind of chances.

You could walk that 200 - 400 yards, introduce yourself, and ask him if your flying activity is annoying him. Maybe offer him a flying lesson or two.

Dave

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06-07-2004 04:40 AM  13 years agoPost 14
Ray Nemovi

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SAN DIEGO CA

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test fly your bird somewhere else. you should have plenty of open space away from your neighbors. this way if the problem stop u know that it wasn't your neighbor and u have some other issue. but be carefull cuz if u do have a problem with your equipment u might crash and u don't want that.

Ray N.

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10-27-2004 05:25 AM  13 years agoPost 15
vinrx7

rrVeteran

Americas finest city

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you guys keep telling him to try flying somewhere else but he said in his post that he doesnt have any problems anywhere except for home. i say fly it over your neighbors house at WOT.

STUPID TREE!!!

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10-27-2004 06:02 AM  13 years agoPost 16
mike lewis

rrApprentice

northeastern AZ

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How do I catch my neighbor?

I bought a device that monitors the air waves for different frequencies and sure enough I caught "him" Him was a brand new repeater tower installed about 1/4 of a mile from my home and when I turned on my radio I could not only see my transmission but there were several multiples off my freq. This went on for about 1 and 1/2 months and it was cleared up something wrong with the electronics and the co. fixed the problem. However I don't get hits any more but many of my neighbors can't keep their garage doors closed and I here all kinds of conversations on my cheap portable house phone

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10-27-2004 09:22 AM  13 years agoPost 17
CrashExpert

rrApprentice

Scotland

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Rather have the dodgy phone calls and broke garage than a broke heli thou.............



Crash
601 Crew Member
Your about to be Cloned!!!!

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10-28-2004 10:48 AM  13 years agoPost 18
cjw

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UK - Cheshire

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Why not just check if you get interference without starting up the heli. Just put it outside and power up the TX RX and see if anything happens.

Clive

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10-28-2004 01:40 PM  13 years agoPost 19
mike lewis

rrApprentice

northeastern AZ

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I Have

I spent countless hrs. trying to get to the heart of the problem. Because we don't see RF we can spend much useless tinme trying to discover the source I have tried 4 different recievers and several battery packs at lease 25 servos ect. When I would turn on my transmitter at home the freq counters would act like the whole flying club had just come on line at the same time. They had within the past 3 months installed a series of towers that a local communications co called repeater cells They became operational and within a few days my problem went away. I can still see the frequency monoter pick out my freq [23] but it is only for 1/2 a second and it goes on. The headacks were many and the crashes also if I could even get off the ground at home were hard dto understand but how I found the repeater towers was an accedent. The local communications co began advertiseing better coverage from one town to another talking about the so many millions that they spent so we could have this service. When I heard the add on the radio I ask where they put the tower they gave an address within 1/4 mile from my house and now that they are up working. and there testing and what ever they do is done No more problems It Magicly Dissapeared. The stuff that happened was amazeing . The heli didn't have to be running it would get hits only when my radio was on. I am so greatfull that the trouble got fixed and now it is back to flying at home when I like, without being afrade tok start the engine

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10-28-2004 02:46 PM  13 years agoPost 20
TMoore

rrMaster

Cookeville, TN

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It sounds like you spent a lot of time tracking this down, good job! I hate that it cost several crashes in the process.

With my radio just sitting in my basement, there are times that certain channels are unflyable.

The photo above shows two channels in use and one of them is the transmitted channel. When things get really bad there may be as many as 15 channels that show that they are occupied. In addition, if I use a PCM RX on certain channels, it may appear that you are enjoying trouble free operation but in reality the RX is seeing momentary interruptions in signals and going in to hold for very brief periods and you don't know it until you download the hit count.

The photo above shows where there were no hits encountered during the flight but it is not unusual to see as many as 10 -15 hits in one flight. If the hit count goes above 20, it is usually not safe to fly on that channel. All PCM RX's have this data available, you just have to get to it in the decoder.

Terry

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HelicopterMain Discussion › How To Catch My Neighbor?
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