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Older redirect discussion

This page should redirect to Sonic fence. Why is it locked? --Tcw1138 14:54, 7 April 2007 (PDT)

  • Because, well, it's not a fence, so much as it is a barrier. JoelVanAtta 19:38, 16 April 2007 (PDT)

This article should not be a redirect from sonic barrier... while it was called "sonar barrier" in the barracks orientation vid, it is not SONAR (look up definition). and it is not a fence so much as a barrier. PLEASE re-name this article.

I was toying with this in my head, and what if the name is not sonar but SonAr? You know, Sonic Array fence? Just a thought Mikael Grizzly 01:22, 25 May 2007 (PDT)

Official Sonic Barrier Discussion

Can we please make these two different articles? Sure the barrier surrounds Otherville, but it is not part of it. The sonic barrier needs to have its own article. [--pom5msu] [--talk] 20:36, 18 March 2007 (PDT)

I agree. Besides, there may be other places on the island where a similar barrier may be used. Do any maps confirm this?


If the barrier was built during 'the purge', how would it have been effective? It seems like Kate, Sahid and John had no problems getting over it. There dont appear to be guard posts, so its a poor anti-invader fence. Why not just use an electric fence rather than some elaborate, Dr Evil-like scheme of killing with sound waves? Also, the fence is very vulnerable to just being blown up... So I dont think this fence was meant to keep humans out. Maybe polar bears or maybe the black smoke? Maybe something unknown at this point in the story? --Rjtalbot 13:10, 22 March 2007 (PDT)

Problem is that the barrier is specifically designed to kill humans. The frequency is designed to go after something with the same resonance frequency as a human skull. I thought the whole crossing of the barrier thing was really done poorly. It should have been a whole lot harder than tipping a tree on top of a pylon. Maybe the power of the system isn't what it was and the effect no longer extends upward. In reality, the sonic effect should have extended up into the air high enough such that the tree crossing would be impossible. Otherwise its a useless fence. It could have also been designed to be effective against people (the hostiles) with no explosives and no technology. I thought the fence was a good idea. I just wish they had come with a more creative way of defeating it. Dharmatel4 15:15, 22 March 2007 (PDT)
That is one of the several bands present in the sound spectrum. There are other bands of lower frequencies as well. Honestly, at this point, I am not even sure that the sound played in the show for the sonic barrier resembles the sound it would emit in order to function. Maybe we are reading too much into it?

Am I missing something here? Where did the idea of an electric fence come from? There are no wires seen running between the poles.. Plus, Mikhail was able to get through it, and there was no indication of any arcing between the poles. Why the sudden change in terminology? Even the official lost podcast refers to it as a sonic barrier, and even mentions the idea that the volume on it may not have been turned all the way up. --steve 12:39, 24 March 2007 (PDT)

I undid the edit of electric fence, Mozkill is free to discuss it here with us and explain it. As far as we know though, it's a sonic barrier. Flippy 12:54, 24 March 2007 (PDT)
I cannot agree to the term "sonic barrier", either. There is in fact no barrier--only a sonic response to an intrusion. IIRC, the show only called it a "security perimeter"--please correct if wrong. Robert K S 10:52, 28 March 2007 (PDT)

How do the Others turn it down? If the data pad is on a side of a pole, than they would've needed to enter the space between the poles thus detonating the fence.

Since it can only be activated from that side, there would have to be a person on that side to turn it down. Meaning it's meant to be used by whoever is in control of the inside. --Sauron18 12:52, 5 April 2007 (PDT)
My bad, it seemed to me that the pad is on the side that faces an other pole... Asgan 10:44, 6 April 2007 (PDT)

The sonic wall

it looks like the sonic wall took about 2-3 seconds to make the (sonic) sound and then activated,, it looks like a system that takes about 5-10 seconds to fully activate and destroy the intruder. It is not like an electric fence where a lethal shock can be activated within milliseconds. I wounder if its possible to run across the fence because I don't think it will kill a person for passing very fast or even doing a head dive across the fence. you know, running really fast and when approaching the fence just do a head dive and roll or something, something action :P... what do you guys think?--mo-- (Talk | Saa ) 08:52, 27 March 2007 (PDT)

This theory mentioned in one of the podcasts, and the presponce was that they don't believe it was turnned up to its maximum, and thats why it took a while to kill patchy --Hit and miss 09:04, 27 March 2007 (PDT)

Furthermore, in that same podcast, the writers suggest that he may not even be dead.
It seemed to kind of stun him into standing still, but then again Mikhail seemed like he wanted to die.--Baker1000 08:14, 28 March 2007 (PDT)

So...the monster could quite easily fly right over the sonic wall. I think its now safe to assume it is not primarily for keeping the monster out.--Knive 05:47, 6 April 2007 (PDT)

I disagree. Juliet turned on the fence and then cockily and confidently watched the monster slam into it. She seems like she knows about monsters and fences more than Kate does. If she wasn't sure that the barrier would stop the monster, why would she stick around to find out?
Yeah, I think she knew it would stop the monster too. I do think that stopping the monster was not the reason it was originally built (Thus perhaps Juliet was telling the truth when she said something like, "It doesn't like our fences." When she said that, I thought she was implying they were built for a different purpose, but coincidentally they were also good for monster stopping). It would just be so easy for it to fly over it. If Kate et al. climbed right over without triggering it, and we have seen the monster fly high (I think when it killed Eko would be a good example), it would be a lot to swallow to believe it couldn't.--Knive 13:48, 7 April 2007 (PDT)

sonic barrier gate code

just wanted to confirm in "Left Behind", it does appear that in fact the code is most likely 1623 Enturbulate

yep. frame by framed on this one. Definitely 1 (camera switch) 6 2 3. steve 09:45, 5 April 2007 (PDT)

in Season 3 episode 15, Juliet types the gatecode from the keypad on the OUTSIDE of the fence but not the inside. in season 3 episode 20 Ben runs away from his mom and the keypad is again seen on the outside AND the inside. when Kate climbs the tree to get over the fence the keypad is not seen. in season 3 episode 20 Ben has a piece of paper where the gatecode is clearly 54439 . —The preceding unsigned comment was added by Mozkill (talkcontribs) .

Your point seems unclear to me. Either that they have different gate codes. And yes that is true, the barracks orientation video said the code changes every day. Or if you're suggesting a prop error because the keypad is not always in the same place, i might suggest not each pole in the fence is the same. We could have seen 3 different poles so far. In fact, I am sure of it, none were in the same settings. Sorry, but your point doesn't seem clear to me. Let me know if I've missed something. -Mr.Leaf 19:20, 21 December 2007 (PST)

We saw the fence in Season 1

I bought Season 1 last night and am rewatching these. On the episode, "The Moth", there seems to be a faraway shot of "the fence" we see in Season 3. It is at 00:23:28 on the region 1 DVD. Can someone confirm this? Because that would be pretty incredible that they had that foresight.

It is this pattern that goes around and surrounds the mountain side while Kate, Sayid and Sawyer are putting up their radio equipment.

From that far away, those 12 foot posts would look that small.

I have a screen shot, ..the pattern is too obvious... It has to be the fence.

File:Http://farm1.static.flickr.com/211/474999874 9a950fbde6.jpg?v=0


--aoxonoma 16:08, 27 April 2007 (PDT)aoxonoma

  • The fence is supposed to be on the other side of the island. I don't think they got anywhere near that far when searching for the radio tower. More likely it's just a real fence in Hawaii that they didn't notice was in the shot. --Jackdavinci 19:53, 29 April 2007 (PDT

Can anybody upload a higher resolution version of this screenshot? That could help. --Kemot from Poland 05:16, 7 May 2007 (PDT)

The same fence can be seen in "Solitary", at the very beginning of the scene when Jack, Michael and Charlie approach the golf course. --Kemot from Poland 05:42, 12 June 2008 (PDT)

Sonic barrier vs. healing properties

Maybe sonic barrier's purpose was to kill, and Mikhail was very close to death. But he knew about the island's healing properties, and he knew, that the island will heal his wounds. So he said "thank you" to Locke, because Locke has just given him freedom. (Everybody thought, that Mikhail was dead, and they left him on the ground. After they left, Mikhail got up and escaped.) --Kemot from Poland 09:35, 29 April 2007 (PDT)

Season One: The Moth SONAR Fence

Is there a photo of this anywhere? I would like to see an image of this if anyone could upload it. --CTS 21:16, 5 April 2008 (PDT)

Panic Mode

The panic mode does not seem to make sense. If you normally enter 1623 to open the panel and turn the fence off, she turned it off just by entering the same code and the warning was sent. How does the same code entered both times not trip the panic.--Connor401 16:06, 26 April 2008 (PDT)

We don't know if the phone rang when Juliet used the code back in "Left Behind". The Barracks were abandoned so maybe it just stops ringing if no one picks it up after a while.--Baker1000 16:39, 26 April 2008 (PDT)

The Pyramid Weapon vs Sonar Fence

Someone might want to compare the sonar fence and the theory of pyramids being weapons. [1] The match gets troubling when it talks about "non-lethal" / "acoustical" weapon. The pyramid is relevant cause of the statue and Hurley's drawing. I have no time to work on this. Please someone look at it! —The preceding unsigned comment was added by Olograph (talkcontribs) 2009-04-05T23:39:36.