User talk:Gordonjcp

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[[User:Meelar|Meelar (talk)]]

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Blocking NTL proxy servers
Hi, I got your email this morning. I don't know if you sent it earlier than that because I've has a problem with my email and didn't get any for 3 days then they all came at once :-( Anyway - yes I blocked 62.252.128.16 and 62.252.128.17 for a month. Has this block affected you? Theresa Knott (The torn steak) 08:11, 12 Oct 2004 (UTC)

Hi - yes, it has. Not that I edit much anyway, but it prevented me looking at the edit history of a page (and to be honest I can't remember what it was now!). Sorry if I took a sarcastic-sounding tone. [[User:Gordonjcp|Gordonjcp (talk)]]


 * Really? I have no idea why that happened, the idea of blocks is to stop blocked people editing, not to stop anyone from viewing information. I'll investigate. As for you tone. It's fine, you had every right to be sarcastic seeing as I blocked you! Anyway, as you can see I unblocked the IP's so you shouldn't be trouble again. Theresa Knott (The torn steak) 13:29, 12 Oct 2004 (UTC)

Yaz
Hi, I noticed the you changed Yazoo to Yaz on the one hit wonders page, saying that Yaz came along much later. Actually, Yaz was Yazoo's name in the United States. It doesn't matter, but I thought I'd let you know. RomeoVoid 05:28, 24 February 2006 (UTC)

File:Omid-telemetry.ogg
Thanks for the file but you need to tag it a copyright license, such as GFDL or CC - otherwise it could be deleted. --BorgQueen (talk) 23:45, 3 February 2009 (UTC)
 * If you don't know how to, I can tag it with GFDL for you. --BorgQueen (talk) 10:16, 4 February 2009 (UTC)
 * That would be great if you could, thanks Gordonjcp (talk) 14:28, 7 February 2009 (UTC)
 * Disregard, I put it under cc-by-sa Gordonjcp (talk) 22:51, 7 February 2009 (UTC)


 * Hi Gordonjcp,

I had a listen to your telemetry file that you recorded. Are you able to add some description to the file as to how you recorded this? It is a bit unclear what I was listening to precisely -- is it just an analogue radio recording at some frequency using omni-directional recording equipment on a ground-station? Or do you need to use a directed antenna. Something like "This sample was recorded by the use of a blah blah aerial tuned to receive at blah blah frequency on such and such a date/time." Can you really record radio signals this strongly using just a small aerial and a tuner? User A1 (talk) 05:29, 7 February 2009 (UTC)
 * I added a little bit of description to it, so perhaps you can have a look and tell me if you think that's enough. Those signals were by no means strong - the satellite was probably tumbling hence the choppy fades, and was fairly low in the sky (not too low, about 30 degrees).  On a pass a day or so later, when it came directly overhead, the signal was as strong as my local 70cm repeater.  These small satellites are in a fairly low orbit (about 250km for Omid, but in that general area for other LEO satellites), and they've pretty much got clear line-of-sight to the receiver.  The ISS uses radios that are powerful enough to pick up without any special aerials at all, but they don't have to worry about power budget.  You can make a simple aerial suitable for listening for LEO satellites fairly quickly and easily with some stiff wire and a bit of wood - google for WA5VJB Cheap Yagi for some ideas.  Hook that up to a radio scanner, get some predictions, and point it at the sky.  Simple. Gordonjcp (talk) 22:51, 7 February 2009 (UTC)


 * Great! That makes it much more clear. I was assuming, based upon absolutely zero knowledge of radio telemetry, that you needed some kind of expensive directed antenna, complex tuners with all sorts of filters, and sophisticated digital decoding gear. I thought maybe you work as a radio astronomer ;) User A1 (talk) 06:36, 8 February 2009 (UTC)
 * Actually decoding it is harder, but not impossible. Some satellites transmit telemetry in Morse code which means you need a receiver capable of picking that up, and either a very good ear for it or some software to decode it.  AFSK telemetry is basically just modem tones so you can decode it with a computer.  I haven't managed to decode anything from Omid, and since the batteries are now probably flat it looks like that's all we're going to get.  I'm not a radio astronomer (although once I get a few other projects off the bench I plan on building a simple short-baseline radio telescope) but I am a radio amateur which means I get to transmit stuff as well as receive it.  With pretty much the same equipment as I used to receive the Omid signals, I can talk to people through other LEO satellites like AO-51 and SO-50.  These receive VHF signals and retransmit them on UHF, covering a large area.  You can think of them as a repeater on a 300-mile tower ;-) Gordonjcp (talk) 09:16, 8 February 2009 (UTC)

Iranian Satellite
I thought you were a new user, so I was willing to forgive a lot, but you've been editing longer than I have! Consider this a reminder to keep it civil - Wikipedia is not a blog comments section where you can just flame the hell out of anyone who slightly disagrees with you own point of view.--Yeti Hunter (talk) 01:59, 4 February 2009 (UTC)

Erm, I'm not sure what you're talking about there. If you're referring to the comments on the talk page, you should check the posting history carefully, then come back and apologise ;-) Gordonjcp (talk) 07:53, 4 February 2009 (UTC)


 * Um, yes. My sincere apologies. Getting flamed by an IP isn't such a big deal. --Yeti Hunter (talk) 09:40, 4 February 2009 (UTC)

ArbCom elections are now open!
Hi, You appear to be eligible to vote in the current Arbitration Committee election. The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to enact binding solutions for disputes between editors, primarily related to serious behavioural issues that the community has been unable to resolve. This includes the ability to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail. If you wish to participate, you are welcome to review the candidates' statements and submit your choices on the voting page. For the Election committee, MediaWiki message delivery (talk) 22:16, 30 November 2015 (UTC)