Test
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Two Meter flyer's looking for a challenge, look no further. For 25 years West
Michigan soaring
enthusiasts have held a great 2-Meter Seeded Man-0n-Man (MOM) contest. This
year we are going all
out.
The Midwest 2-Meter RC Soaring Championships are being held August 20 and 21,
2005 at the WMSS
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2 Dodgson Pivots on eBay!!
Mark
Soaring Is Life!!
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I moved PCs, and I lost my 'good' ebay search Anyone have a sample
of what they use to watch Ebay for gliders / electrics / radios?
Just curious, I watch always, buy maybe once a year - just find that I
miss looking...
Thanks,
Brent
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Just got back from an extended lunch, wondered if anyone else got out
and did any sloping? It's in the 20-25mph range here today, and I got a
chance to fly a NorthCounty M60 - much nicer than doing software
installs / debugging.
Was windy and warm enough here to make the front side (here that
eBay: http://search-desc.ebay.com/sailplane-glider_Radio-Control_W0QQfclZ1QQftsZ2QQsacatZ2562QQsatitleZQ28sailplaneQ2cQ20gliderQ29"Douglas, Brent" [EMAIL PROTECTED] wrote:
I moved PCs, and I lost my 'good' ebay search Anyone have a sampleof what they use to watch Ebay for gliders / electrics /
We've has a couple of club members lose planes recently from interference.
We have a scanner on the field. It shows a channel is on (sporadically)
although all our pins/radios are accounted for. We suspect another flyer
about a mile away but we've yet to find him. There are both houses and an
This is an idea I've had myself. A push button Signal Boost function. I like
it. But no, I've not heard of it ever being mentioned.
Besides it'd be illegal so no licensed tech could do it without risking his
license.
And I don't know how difficult it'd be to do without risking frying your
For sale Dodgson Lovesong (improved
Windsong). This kit is in excellent condition. Will email pictures
of the kit to anyone that is really interested and give you more
info.
I will mail this kit to you for $375.00 (Priority
mail + insurance) Lower 48 States.These kits are very
hard to
Fact: It is very unlikely anyone flying a mile away is adversely affecting
anyone at your field, irregardless of the frequency. Remember...the receiver
would need to see on-frequency RF that is equal or greater from the offending
transmitter to gain control.
There are many things that can
I don't think this is what we want to do. It brings the wrong kind of image
to others. Red flags may start flying instead of our planes.
Lets go to spread spectrum technology. I believe that would get us away
from the broadband over power line issue as well.
But, I'm certainly no expert on
I want a Spinal Tap transmitter, with a knob that goes up to ELEVEN!
Tom H. Nagel
Columbus, OH
- Original Message -
From: Ed Jett [EMAIL PROTECTED]
To: Soaring List Soaring@airage.com
Sent: Thursday, March 31, 2005 3:30 PM
Subject: Re: [RCSE] Signal strength switch?
I don't think this
Fact: It is very unlikely anyone flying a mile away is adversely affecting anyone at your field, irregardless of the frequency. Remember...the receiver would need to see on-frequency RF that is equal or greater from the offending transmitter to gain control.
The above statement is
Ed,
The latest AMA magazine has an informative article on BPL.
Jon
- Original Message -
From: Ed Jett [EMAIL PROTECTED]
To: Soaring List Soaring@airage.com
Sent: Thursday, March 31, 2005 2:30 PM
Subject: Re: [RCSE] Signal strength switch?
I don't think this is what we want to do.
Rob,
Thanks for a real-world empirical test /
results. We also have an issue at our field in Austin, TX .not
from nearby RC fields but from some mysterious high power source we think is
sending data in concentrated bursts. Using sophisticated logging equipment we
so far have been unable
At 02:30 PM 3/31/2005, you wrote:
I don't think this is what we want to do. It brings the wrong kind of
image to others. Red flags may start flying instead of our planes.
Lets go to spread spectrum technology. I believe that would get us away
from the broadband over power line issue as well.
Hi Rob,
I too employ onboard pulse emission detectors. On every aircraft I have ever
owned I observed/obaserve various counts in remote flying areas that would be
considered RF-clean.
It is possible that the aircraft used as the test bed is itself generating
data, which will skew the final
We really need a better mechanism than 60 something shared frequencies. We
need our own digital signatures, something like our own private channel.
At 01:29 PM 3/31/2005, John Erickson wrote:
We've has a couple of club members lose planes recently from interference.
We have a scanner on the
John Erickson wrote:
Would it be possible to start your flight with reduced range (3/4 signal
strength) and then flip to full strength in an emergency?
If you're using a standard telescoping transmitter antenna, it will radiate
the most energy from the side. The way to increase signal to your
I just bought a box of these and when I got them home discovered they were
purple and not blue. Do purple nitrile gloves offer the same protection
from epoxy as blue nitrile gloves are supposed to?
Thanks.
RVC
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John,
This isn't really an answer to your question but there is a great article in
this months AMA Magazine about radio interference you should read up on. This
might be or not your clubs problem. It has to do with the wireless internet
junction boxes(?). Which send out a relay signal of power
I've actually seen this function on a transmitter. I don't recall whether it
was a factory item or the user added it, nor the brand but it was not a
modern radio. Maybe Proline or Kraft. Seemed like a good thing to have but
it ended up costing the owner an airplane when the button/switch was
better yet, a way to boost signal strength? (John Erickson)
I've been toying with this concept but it does have the drawback of
being illegal. I'm also not sure the boost you could get by just
tweaking the transmitter module would be enough to get the plane into
control.
We suspect another
Does anyone on the exchange have any good information on performing a
useful range test with a rubber ducky tx antenna? It obviously can't be
collapsed the same way the stock telescoping antenna can, so it seems
that the ritual might change somewhat.
Thanks
Dan
RCSE-List facilities provided
Sorry, my bad, I mean that the first couple hundred feet show more
signal loss than the those last several hundred. And that actully
supports my idea, not the other way around. Oops
-Charles
Charles Frey wrote:
I believe the original proposal was to normally transmit at 1/2 or 3/4
power, and
**
I just received a Shadow 3 receiver and expect to check it out in my
test model next week. I set it up on the bench and tested it with my
Evo and Cockpit transmitters, both on channel 50. When both
transmitters on, the servos get a little nervous but I still had sold
control with the
Hi Martin,
Martin Usher wrote:
our radios
have very little effective range at street level in a built-up area (but
a lot more effective range above the houses and trees, that's why
someone even a mile or more away can bring us down).
How would the offending TX a mile away have more signal
grin...there is ample effective range with the systems we have
nowmuch further thanyou can see. Most transmitters do not even
operate near the FCC 250mW limit.
I can see adding the panic button...and folks then leaving it on all the
time (if a little is good, then)...only to demand a
Some may recall the Sky and Technology receiver I tested a year or so
ago which has may best be termed smart reponse receiver. It uses
algorythms that look for minute differences of the precise carrier
frequency to determine whether the signal it is interpreting matches
it's master
Simon Van Leeuwen wrote:
Most transmitters do not even operate near the FCC 250mW limit.
750 milliwatts.
http://frwebgate.access.gpo.gov/cgi-bin/get-cfr.cgi?TITLE=47PART=95SECTION=210YEAR=2000TYPE=TEXT
or http://tinyurl.com/42ksy
Mike
--
Winch Solenoid Safety Buzzer -
On Thu, Mar 31, 2005 at 11:29:07AM -0800, John Erickson wrote:
| We've has a couple of club members lose planes recently from
| interference.
Personally, I've seen interference blamed for a lot of user errors
too. Not that this is the case in your situation, but ...
| We have a scanner on the
Oops, thanks Mike...
[EMAIL PROTECTED] wrote:
Simon Van Leeuwen wrote:
Most transmitters do not even operate near the FCC 250mW limit.
750 milliwatts.
http://frwebgate.access.gpo.gov/cgi-bin/get-cfr.cgi?TITLE=47PART=95SECTION=210YEAR=2000TYPE=TEXT
or http://tinyurl.com/42ksy
Mike
--
Simon Van
At 07:32 PM 3/31/2005, you wrote:
I did something like this at the field the other day with my Shadow 3. Two
Txs on Ch 16 simultaneously. The primary Tx (Fut9CH) varied in distance
from the Rx. The secondary Tx (Fut7UGFS) was placed on the ground ~ 30 ft
from the plane. Both had Rubby Ducky
My bench test of the Shadow 3 doesn't give the same results. My setup
was using an Evo as the primary transmitter and a Cockpit as the
secondary transmitter. Both on Channel 50. I turn on the Evo, then
the Shadow receiver, and finally the Cockpit. With this setup, the
Shadow is
Rick, I like Trojan T-105 very much. It is 6 volt 225 AH. Designed for
golf carts and produced in volume so price is good. Designed for heavy
discharge.
Regards, Jim MacLean
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Hi Chuck,
This indicates that it does have the smarts I eluded to, to decipher the
unique signature of a specific TX. Do you know for sure? THe manual
makes no mention...
Chuck Anderson wrote:
At 07:32 PM 3/31/2005, you wrote:
I did something like this at the field the other day with my Shadow
Simon wrote:
I find it hard to imagine both system
protocols working
harmoniously as the local field.
Why would they not work in harmony on the same field? Existing radios are
on 72 Mhz. Existing SS radios use 900 Mhz and 2.4 Ghz. Are you assuming
the powers that be might grant spread
A much simpler dipole antenna (as accurate as a Yagi) can be easily
built for locating the source and strength using a dowel and some lead
fed to 50ohm COAX.
The nulls off the ends are incredibly accurate at pointing to the
anomaly. It took me ~15min and is 72, center is tuned to 72MHz +-1MHz
At 11:19 PM 3/31/2005, you wrote:
Hi Chuck,
This indicates that it does have the smarts I eluded to, to decipher the
unique signature of a specific TX. Do you know for sure? THe manual makes
no mention...
No. I have only received the Shadow yesterday and haven't done more than I
posted in my
Hi John,
Comments inserted:
Jon Stone wrote:
Simon wrote:
I find it hard to imagine both system
protocols working
harmoniously as the local field.
Why would they not work in harmony on the same field? Existing radios are
on 72 Mhz. Existing SS radios use 900 Mhz and 2.4 Ghz. Are you
Hi Rob,
Your test with a glitch counter is not a vaild
measure of interference, unless the model carrying ithas been calibrated
in a "clean environment", like a radio test chamber, and the area under test has
been profiled across the user'sfrequency band. I've had hundreds of
glitches
This idea of digitally encoding the signal is feasible. I work
with remote controlled industrial cranes and locamotives that
operate
on 72MHz. In one area we have 3 cranes operating on the exact same
freq with different digital addresses without any interferance.
The industial
On Fri, Apr 01, 2005 at 07:17:51AM -, Dave H. wrote:
| This idea of digitally encoding the signal is feasible. I work with
| remote controlled industrial cranes and locamotives that operate on
| 72MHz. In one area we have 3 cranes operating on the exact same
| freq with different digital
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