Received: by 10.236.179.9 with SMTP id g9mr6137832yhm.30.1344840659253; Sun, 12 Aug 2012 23:50:59 -0700 (PDT) X-BeenThere: hackerspace_brisbane@googlegroups.com Received: by 10.236.124.176 with SMTP id x36ls10233490yhh.1.gmail; Sun, 12 Aug 2012 23:50:58 -0700 (PDT) Received: by 10.236.193.40 with SMTP id j28mr6293037yhn.21.1344840658774; Sun, 12 Aug 2012 23:50:58 -0700 (PDT) Received: by 10.236.193.40 with SMTP id j28mr6293036yhn.21.1344840658754; Sun, 12 Aug 2012 23:50:58 -0700 (PDT) Return-Path: Received: from mail-gh0-f169.google.com (mail-gh0-f169.google.com [209.85.160.169]) by gmr-mx.google.com with ESMTPS id c61si1819375yhm.3.2012.08.12.23.50.58 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 12 Aug 2012 23:50:58 -0700 (PDT) Received-SPF: pass (google.com: domain of davidb...@gmail.com designates 209.85.160.169 as permitted sender) client-ip=209.85.160.169; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of davidb...@gmail.com designates 209.85.160.169 as permitted sender) smtp.mail=davidb...@gmail.com; dkim=pass header...@gmail.com Received: by ghrr18 with SMTP id r18so3167537ghr.14 for ; Sun, 12 Aug 2012 23:50:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:from:date:message-id :subject:to:content-type; bh=c960xutUCCakgtxm6eQdU8UCkiVaoM4+c+KV1Pud6Ok=; b=IlFw3UNYl27gPJKnmRkR75f47SFHhbfQRTZzCNQ0S4IX/ww41JjUNxKkQDS0KvQAyn crsonIhPeds/uO2w/9oXMHvGgmEd6/BsNI5JnF3bWGllhPJoalctMTfIP2htIvAe8nBF Xu1nfyb0B40mM9/xf9Fil4qJot4yNnNGv2WeVXQwvk0P117dc8aawmSwhZnm3T2Ley67 1FdmLgIopXlin1AzUgksrIHpvqRHbR4ivt4KgJwXzm2lm6YgZCc64AQOvG7bKy7hsWFa g1xo+6jnu+ftTsCcmMxBZvnEZz0iTGFKTrC3ANJlnxllz/1Lwny2Lv3WQAsFXmZGetfG ZH+w== Received: by 10.66.75.195 with SMTP id e3mr15919676paw.32.1344840658433; Sun, 12 Aug 2012 23:50:58 -0700 (PDT) MIME-Version: 1.0 Received: by 10.66.50.201 with HTTP; Sun, 12 Aug 2012 23:50:38 -0700 (PDT) Reply-To: davidb...@gmail.com In-Reply-To: References: <4g91pqsw5vwuj1cjawphoded.1344774288...@email.android.com> From: buzz Date: Mon, 13 Aug 2012 16:50:38 +1000 Message-ID: Subject: Re: High Altitude Balloons To: hackerspace_brisbane@googlegroups.com Content-Type: multipart/alternative; boundary=f46d042f9deab9b8a704c7201d2a --f46d042f9deab9b8a704c7201d2a Content-Type: text/plain; charset=ISO-8859-1 If you are doing this as a self-educational task ( ie not for profit ), then getting a HAM radio license will give you a lot more opportunities to mess with the spectrum legally. ( eg the "Foundational" or slightly more advanced "Standard" licenses: http://www.wia.org.au/licenses/standard/about/ ). The important thing is that HAM licenses can NOT be used where *profit* it your primary goal.... but in this case It sounds to me that at-worst, you might make some money (who-knows) as a side-effect of being given the opportunity to learn about and put into practice high-altitude RF engineering principles, so in this case, you primary motive is still *education and learning*, which makes it OK by my understanding. ( I am not a lawyer) . " A radio amateur with a foundation licence can only operate commercially manufactured equipment. And is restricted to defined frquency bands, emission modes and limited to 10 watts transmitter output power." "An Advance or Standard licensee, may modify a transmitter that is subject to a "Standard" but in doing so the equipment becomes what is known as "Non Standard" and therefore cannot legally be used outside amateur spectrum. Modification means removing or altering components, including the microphone, changing firmware or software features that existed went the device complied with the Standard. " Have Fun. Buzz. On 13 August 2012 13:55, tjhowse wrote: > I don't think 1.2GHz video transmitters are legal in Australia without a > license. > > > On 13 August 2012 13:40, Spoz wrote: > >> Thanks for the reply (and to those that emailed), that's what I was >> looking for. Very impressive looking device indeed! >> >> So that looks like the solution for telemetry in addition to a 1.2ghz >> transmitter for video. I'm thinking about sending a low-res image in >> between telemetry packets too in case the video link goes down. Would be >> nice to put a few of these in parallel and get a higher data rate but Im >> assuming they will interfere with each other too much. >> >> The guys are still very keen on streaming HD video but I really cant find >> any way to do that without developing something myself (definitely not >> going to happen by october). Been toying with the idea of transmitting 3G >> with directional antennas and re-broadcasting from the ground station but I >> think the legal issues (not to mention the technical ones) are going to >> rule that out. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "hackerspace_brisbane" group. >> To view this discussion on the web visit >> https://groups.google.com/d/msg/hackerspace_brisbane/-/W7eRVT6TxTkJ. >> >> To post to this group, send email to >> hackerspace_brisbane@googlegroups.com. >> To unsubscribe from this group, send email to >> hackerspace_brisbane+unsubscribe@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/hackerspace_brisbane?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "hackerspace_brisbane" group. > To post to this group, send email to hackerspace_brisbane@googlegroups.com > . > To unsubscribe from this group, send email to > hackerspace_brisbane+unsubscribe@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/hackerspace_brisbane?hl=en. > --f46d042f9deab9b8a704c7201d2a Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable If you are doing this as a self-educational task ( ie not for profit ), the= n getting a HAM radio license will give you a lot more opportunities to mes= s with the spectrum legally.=A0 ( eg the "Foundational" or slight= ly more advanced "Standard" licenses:=A0 http://www.wia.org.au/licenses/standard/= about/ ).

The important thing is that HAM licenses can NOT be used where *profit*= it your primary goal....=A0 but in this case It sounds to me that at-worst= , you might make some money (who-knows) as a side-effect of being given the= opportunity to learn about and put into practice high-altitude RF engineer= ing principles, so in this case, you primary motive is still *education and= learning*, which makes it OK by my understanding.=A0 =A0=A0 ( I am not a l= awyer) .

" A radio amateur with a foundation licence can only operate comme= rcially=20 manufactured equipment. And is restricted to defined frquency bands,=20 emission modes and limited to 10 watts transmitter output power."
=
"An Advance or Standard licensee, may modify a transmitter that is= =20 subject to a "Standard" but in doing so the equipment becomes wha= t is=20 known as "Non Standard" and therefore cannot legally be used outs= ide=20 amateur spectrum. Modification means removing or altering components,=20 including the microphone, changing firmware or software features that=20 existed went the device complied with the Standard. "

Have Fun.
Buzz.

On 13 Au= gust 2012 13:55, tjhowse <tjho...@gmail.com> wrote:
I don't think 1.2GHz video transmitters are legal in Australia without = a license.


On 13 August 2012 13:40, Spoz <mr.s...@gmail.com> = wrote:
Thanks for the reply (and to those that= emailed), that's what I was looking for. Very impressive looking devic= e indeed!
=A0
So that looks like the solution for telemetry in additio= n to a 1.2ghz transmitter for video. I'm thinking about sending a low-r= es image in between telemetry packets too in case the video link goes down.= Would be nice to put a few of these in parallel and get a higher data rate= but Im assuming they will interfere with each other too much.
=A0
The guys are still very keen on streaming HD video but I= really cant find any way to do that without developing something myself (d= efinitely not going to happen by october). Been toying with the idea of tra= nsmitting 3G with directional antennas and re-broadcasting from the ground = station but I think the legal issues (not to mention the technical ones) ar= e going to rule that out.

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