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[OM] Re: T45 Flamethrowers - ANTENNA PARTS #

Subject: [OM] Re: T45 Flamethrowers - ANTENNA PARTS #
From: "Johann Thorsson" <johann@xxxxxxxx>
Date: Fri, 27 Jun 2008 09:49:12 -0700
Just make sure you place it where there is enough space inside.  Good luck.

J

----- Original Message ----- 
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Friday, June 27, 2008 09:42
Subject: [OM] Re: T45 Flamethrowers - ANTENNA PARTS #


> Thanks, I'll give it a go.  Looks like a good deal at about $10 per
> transmitter.
>
> Chuck Norcutt
>
> Johann Thorsson wrote:
>> I got this from Digi-Key (http://digikey.com) as I said in my previous 
>> reply
>> to Chuck.  You need to buy both the antenna and the antenna base:
>>
>> Antenna: ANT-433-CW-RH (http://tinyurl.com/6zg4uz)
>> Base: CONREVSMA004 (http://tinyurl.com/6qb3fv)
>>
>> Beside making your remotes much more pro looking than if using wires, it 
>> is
>> much more rugged.  There are other variants to this antenna modification 
>> if
>> you don't want to put any money into it, or if you don't want to have 
>> some
>> wire sticking out of your transmitter.  Here is one that I would e.g.
>> consider: http://tinyurl.com/4kugtp
>>
>> I  have had not autofiring problems with the 16channel versions, and 
>> after
>> this antenna mod on the 4 channel units, they have behaved much better 
>> than
>> before.
>>
>> J
>>
>> ----- Original Message ----- 
>> From: "Ken Norton" <ken@xxxxxxxxxxx>
>> To: <olympus@xxxxxxxxxx>
>> Sent: Friday, June 27, 2008 06:53
>> Subject: [OM] Re: T45 Flamethrowers
>>
>>
>>> I have three sets of RD616 units. You still get a LOT of false triggers
>>> when
>>> you have two receivers in close proximity.  How close?  Well, usually, I
>>> do
>>> a three-light portrait setup and can get away with it--but not always.
>>> Anything closer than 3 meters will usually give me an occasional false
>>> flash.  But in a previously mentioned venue, I've had one trigger 
>>> another
>>> with a spacing of 20 meters.
>>>
>>> I myself will be looking for the 433 MHz antennas.  What an excellent
>>> idea.
>>> I modified one of mine with a hoop of 12-gauge wire.  Works great, but
>>> unfortunately, it ended up ripping the trace on the circuit-board.  My
>>> feeble attempt to modify a second transmitter resulted in a hack-job 
>>> worse
>>> than a  I like Johann's configuration MUCH better.  I will do the same.
>>>
>>> As to increase in distance, Chuck?  Well, under ideal conditions, I can
>>> get
>>> the stock unit to reliably trigger up to 30 meters.  But in my testing,
>>> even
>>> my jerryrigged unit gave me solid results up to 100 meters.  Probably
>>> farther, but my neighborhood didn't have a straight street long-enough 
>>> to
>>> verify.
>>>
>>> Now for the really bad news.  The 16-channels are effectively 1 channel.
>>> I
>>> have tried changing the channel on my transmitters to build "groups" of
>>> flashes or something as simple as changing the channel to disable the
>>> external flashes without having to disconnect the transmitter from the
>>> camera.  Changing channel assignments is no guarantee of channel
>>> isolation.
>>> I fought this at a big event recently and finally got so frustrated that 
>>> I
>>> ended up just removing the transmitter most of the time.
>>>
>>> Quote from "The Birds":  "Why are they doing this? Why are they doing
>>> this?
>>> They said when you got here, the whole thing started. Who are you? What
>>> are
>>> you? Where did you come from? I think you're the cause of all this. I
>>> think
>>> you're evil! EVIL!" - Doreen Lang
>>>
>>> AG
>>> http://www.zone-10.com
>>>
>>>
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>>
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>>
>>
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>> 8:27 AM
>
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