I need names of analyzers to track possible interference
06-26-2002, 07:35 AM
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I need names of analyzers to track possible interference
We seem to be getting radio hits at our field. Can anyone suggest the make and model of a RF analyzer that will allow us to track hits and confirm that perhaps someone nearby is using a airplane frequency. There is a nearby lake and recreation area where people may be running R/C boats or cars. The thought is that some of them are using a airplane radio to do this.
Bernie
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06-26-2002, 10:46 AM
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I need names of analyzers to track possible interference
Bernie,
Check with your district VP for AMA (assuming you're in US). They usually hve a scanner the club can actually borrow for X period of time rather than having to purchase one.
Check with your district VP for AMA (assuming you're in US). They usually hve a scanner the club can actually borrow for X period of time rather than having to purchase one.
06-26-2002, 01:18 PM
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I need names of analyzers to track possible interference
Icom makes a line of handheld programmable scanners. Th most popular one in their line among RCers is their IC-R2. It isn't the easiest one to use, though. http://www.icomamerica.com/receivers.../icr2main.html
Aerografixs imports the "Model-Scan" - this is one of the better scanners you can get. http://www.geocities.com/roger_forgues/Frequency.html
You can also check your flying area for non-RC related potential interference sources (pager towers, railroad switching equipment, misc industrial gear, etc. etc.) for free! I've posted an explanation and HOWTO; here's the link. http://www.rcuniverse.com/showthread...964&forumid=27]
Aerografixs imports the "Model-Scan" - this is one of the better scanners you can get. http://www.geocities.com/roger_forgues/Frequency.html
You can also check your flying area for non-RC related potential interference sources (pager towers, railroad switching equipment, misc industrial gear, etc. etc.) for free! I've posted an explanation and HOWTO; here's the link. http://www.rcuniverse.com/showthread...964&forumid=27]
06-26-2002, 08:57 PM
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I need names of analyzers to track possible interference
06-26-2002, 10:52 PM
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Com Analyzers
You might try checking with the local Amateur Radio club to see if they or one of their members own a full blown communications analyzer. Hams love a good "fox hunt" and you might be pleasantly surprised at how willing they are to help you out...just like most modelers.
You might also want to check for "broad band" noise generated by any faulty power line insulators, etc. that may be close by. Using the analyzer, you should be able to track the source to a span or individual pole.
Just some thoughts.
Jim
You might also want to check for "broad band" noise generated by any faulty power line insulators, etc. that may be close by. Using the analyzer, you should be able to track the source to a span or individual pole.
Just some thoughts.
Jim
06-26-2002, 11:03 PM
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I need names of analyzers to track possible interference
Here is one for the price of a few good servos
http://www.geocities.com/roger_forgues/Frequency.html
http://www.geocities.com/roger_forgues/Frequency.html
06-27-2002, 01:21 AM
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I need names of analyzers to track possible interference
Beware, or be aware....these scanners do not indicate field strength of an errant RF signal.
If you live in an area where RC flying fields may be a mere 4~5 miles (as the crow flies) from each other, as where I fly, they will unecessarily panick everyone as most of the signals they respond to on RC channels will be just john Q. over at the nearby RC field.
Since he's well beyond the range to cause you any heartache, you'll not know that.
Scanners are good, and bad..... Any good HAM can tell you that it's not just the fact that the frequency is active, but the field strength of the signal.
If you live in an area where RC flying fields may be a mere 4~5 miles (as the crow flies) from each other, as where I fly, they will unecessarily panick everyone as most of the signals they respond to on RC channels will be just john Q. over at the nearby RC field.
Since he's well beyond the range to cause you any heartache, you'll not know that.
Scanners are good, and bad..... Any good HAM can tell you that it's not just the fact that the frequency is active, but the field strength of the signal.
06-27-2002, 01:38 AM
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I need names of analyzers to track possible interference
Originally posted by INJUN_EAR
Beware, or be aware....these scanners do not indicate field strength of an errant RF signal.
If you live in an area where RC flying fields may be a mere 4~5 miles (as the crow flies) from each other, as where I fly, they will unecessarily panick everyone as most of the signals they respond to on RC channels will be just john Q. over at the nearby RC field.
Since he's well beyond the range to cause you any heartache, you'll not know that.
Scanners are good, and bad..... Any good HAM can tell you that it's not just the fact that the frequency is active, but the field strength of the signal.
Beware, or be aware....these scanners do not indicate field strength of an errant RF signal.
If you live in an area where RC flying fields may be a mere 4~5 miles (as the crow flies) from each other, as where I fly, they will unecessarily panick everyone as most of the signals they respond to on RC channels will be just john Q. over at the nearby RC field.
Since he's well beyond the range to cause you any heartache, you'll not know that.
Scanners are good, and bad..... Any good HAM can tell you that it's not just the fact that the frequency is active, but the field strength of the signal.
But this one is a dedicated hobby unit and nothing else.
This is also the one that will be used at the coming World Scale Championships, it is not a shabby unit.
06-27-2002, 11:45 AM
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ICOM
Our club just purchased an ICOM ICR10. Just got it in this week and we are going to play with and test it during our 3-day event this weekend. We got it to scan our local field plus take it when some of us go to contests to check what is happening or not happening. I think we paid somewhere around $300 for the unit so they are not really expensive.
I will let you know what we find out after this weekend.
Dan
I will let you know what we find out after this weekend.
Dan
06-27-2002, 04:10 PM
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I need names of analyzers to track possible interference
Originally posted by aerografixs
Au contraire, the one I import from France and distribute through my Dealer in Ottawa "Discount Hobbies" does just that and a lot more.
But this one is a dedicated hobby unit and nothing else.
This is also the one that will be used at the coming World Scale Championships, it is not a shabby unit.
Au contraire, the one I import from France and distribute through my Dealer in Ottawa "Discount Hobbies" does just that and a lot more.
But this one is a dedicated hobby unit and nothing else.
This is also the one that will be used at the coming World Scale Championships, it is not a shabby unit.
We had one in use at our field one time and it just made everyone that didn't understand its response a bit uptight.
The fact is, and was, that the scanner was locked onto legit RC Users at a nearby flying field. They posed no threat to us as they were at least 7 miles away, but it did indeed panic everyone.
I'm just cautioning everyone as to the misinterpretation that can occur when using a scanner.
06-27-2002, 05:11 PM
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I need names of analyzers to track possible interference
I can certainly understand your apprehention, but go to the description on my web site, and read all about it. And if there is any questions, I will do my best to answer.
06-29-2002, 07:59 PM
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I need names of analyzers to track possible interference
07-01-2002, 11:28 PM
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scanner
The scanner by yaesu that rmw00 posted looks the way to go. A very high quality unit at a good price. It even does the ham bands.
Bernie what type pf scanner did they have Sunday?
I think the club should get one or I will go in with you.
Brian
KB1DTB
Bernie what type pf scanner did they have Sunday?
I think the club should get one or I will go in with you.
Brian
KB1DTB
07-02-2002, 11:20 AM
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I need names of analyzers to track possible interference
At one time the AMA had several Icom R7000 receivers that they would lend out. This is about the best receiver I have seen for doing field testing and finding out what is going on with the frequencies in your area. You might want to check with the AMA about using one. You paid for them with your AMA dues.
Pete
Pete
