Espritmodel.com Telemetry Radio
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Old Jan 31, 2010, 04:07 AM
Aint nothing like a Mongrel!!
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Here ya go lads...

My first FPV flight in my TriCopter!! WOO HOO I'm excited!!!

First FPV Flight on the TriCopter (3 min 46 sec)
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Old Jan 31, 2010, 04:10 AM
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Originally Posted by The_Mongrel View Post
Hmm... I suppose we need to find out what "Telecommand or telemetry transmitters" means - all conversations with ACMA for anything that transmits video is 2.4G at 10mW.

I will call my contact in ACMA tomorrow and ask I guess!!
I spoke to a guy at the ACMA at length before the OBC 2009 and the said it is ok.
But there is talk of them banning telecommand via video downlink,
http://au.groups.yahoo.com/group/AAUFPA/message/38
But after talking to them the ACMA has no timeline for these changes. It was just up for review. If we are all good maybe they wont change it.
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Old Jan 31, 2010, 04:12 AM
I love FPV!
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Originally Posted by The_Mongrel View Post
Here ya go lads...

My first FPV flight in my TriCopter!! WOO HOO I'm excited!!!

http://www.vimeo.com/9101850
That was great! Very nice stuff... Shaking?

Is that the KK191? What recorder do you use. Picture is amazing.

Well done, mate!
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Old Jan 31, 2010, 04:13 AM
Aint nothing like a Mongrel!!
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Originally Posted by Cralis View Post
That was great! Very nice stuff... Shaking?

Is that the KK191? What recorder do you use. Picture is amazing.

Well done, mate!
Thanks mate!! Yeah... I was crapping it mate - my thumbs were shaking the sticks!! heeheheh

Yep - that is the KX191 and a Canon video camera.
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Old Jan 31, 2010, 04:21 AM
Aint nothing like a Mongrel!!
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Originally Posted by biloxthecat View Post
I spoke to a guy at the ACMA at length before the OBC 2009 and the said it is ok.
But there is talk of them banning telecommand via video downlink,
http://au.groups.yahoo.com/group/AAUFPA/message/38
But after talking to them the ACMA has no timeline for these changes. It was just up for review. If we are all good maybe they wont change it.
Hmmm Well that is interesting.

Ok - I will see what I can dig up. Thanks for the info.

Cheers
-J
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Old Jan 31, 2010, 04:22 AM
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Quote:
Originally Posted by The_Mongrel View Post
Here ya go lads...

My first FPV flight in my TriCopter!! WOO HOO I'm excited!!!

http://www.vimeo.com/9101850
Nice!
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Old Jan 31, 2010, 05:38 PM
Aint nothing like a Mongrel!!
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Quote:
Originally Posted by biloxthecat View Post
I spoke to a guy at the ACMA at length before the OBC 2009 and the said it is ok.
But there is talk of them banning telecommand via video downlink,
http://au.groups.yahoo.com/group/AAUFPA/message/38
But after talking to them the ACMA has no timeline for these changes. It was just up for review. If we are all good maybe they wont change it.
I Bilox,

I spoke with ACMA today and they clarified some things. Below are my questions with their answers - and it looks like the 1W option is a No Go. BOO HISS!!!

Does the following include telemetry systems that also transmit video in the carrier?

ITEM 26
Telecommand or telemetry transmitters

Frequency
1. 24002450
2. 57255795
3. 58155875

Maximum EIRP
1 W

No the sending of video signals is considered neither telecommand or telemetry.
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Old Jan 31, 2010, 06:42 PM
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Looks like we may have to have the aircraft tethered!
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Old Jan 31, 2010, 07:09 PM
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Just got some further clarification from ACMA....

Basically, if the video signal is sent by analog modulation then in must not exceed 10mW, if on the other hand the video signal is digitally modulated then Item 45 authorises a transmitter power of 1 W (all conditions associated with Item 45 must be met).
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Old Feb 01, 2010, 12:04 AM
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Hmmmmmm,

Here is where it is up for review (last bullet point)
http://www.acma.gov.au/WEB/STANDARD..PC/pc=PC_311727

This is strange, I will call them tomorrow as well. Maybe the above changes have gone through.
I sent them an email just before the OBC letting them know what we wanted to do and they said it was fine but we should check from time to time to make sure it has not been revised.

I'll try and dig up the number of the guy that said it was all ok. I think he was in Canberra.

It's unlike a government department to give conflicting information,
Maybe they look at it differently if you call it a UAV?

Cheers

Scott
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Old Feb 01, 2010, 01:25 AM
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Originally Posted by The_Mongrel View Post
if on the other hand the video signal is digitally modulated then Item 45 authorises a transmitter power of 1 W (all conditions associated with Item 45 must be met).[/I]
what are the conditions associated with Item 45?
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Old Feb 01, 2010, 01:27 AM
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what are the conditions associated with Item 45?
The biggest one is $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $$$$$$$$$$$$$$$$$
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Old Feb 01, 2010, 01:32 AM
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Originally Posted by biloxthecat View Post
The biggest one is $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $$$$$$$$$$$$$$$$$
let us check you bank account, if you have lots of $$$$ you can use it? :P
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Old Feb 01, 2010, 02:09 AM
Aint nothing like a Mongrel!!
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Originally Posted by biloxthecat View Post
Hmmmmmm,

Here is where it is up for review (last bullet point)
http://www.acma.gov.au/WEB/STANDARD..PC/pc=PC_311727

This is strange, I will call them tomorrow as well. Maybe the above changes have gone through.
I sent them an email just before the OBC letting them know what we wanted to do and they said it was fine but we should check from time to time to make sure it has not been revised.

I'll try and dig up the number of the guy that said it was all ok. I think he was in Canberra.

It's unlike a government department to give conflicting information,
Maybe they look at it differently if you call it a UAV?

Cheers

Scott
Cool - Let me know what you find out.
Cheers
-J
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Old Feb 02, 2010, 04:19 AM
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Best radio gear for FPV?

Hi Guy's

A couple of years ago I bought a DX7 which I use mainly with my Trex 450SE and a couple of other planes.
But now Im itching to get into FPV but want to leave 2.4GHzfor the video. (still no reply from the ACMA)
Do any of you guys have any recommendation of a decent radio for FPV?
Im thinking I need 9 Channels (pan & tilt maybe down the track).

Was thinking of trying to find a second hand Futaba 9C??? (36MHz??)
Id be more than happy if I got something that did similar range to the DX7.
Any Ideas??

Cheers

Scott,
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