Campbell County Modulator MOD-2008 Alternate Wail
Тәжірибелік нұсқаулар және стиль
Went out to record one of the Modulators in downtown Newport. I wasn't sure if they'd silent test or not, but turns out they don't: They do alternate wail! Skip to 1:30 for the Modulator. Sirens heard in the background include: 4/5 port Thunderbolt 1000T, chopper level 7 Thunderbolt 1000, possibly other Thunderbolts, some T-128's, an E-Class or two, and 2001(s).
Пікірлер: 1 500
The siren at the beginning was actually kinda pretty sounding
@clarinart856
4 жыл бұрын
Its kinda creepy
@poopgirlsuates875yt2
3 жыл бұрын
@@clarinart856 LIKE A MICROWAVE!
@619xnomo
3 жыл бұрын
Omg yes!
@laaeeh
3 жыл бұрын
Poopgirl Suates wut xD
@-amoureuse-9489
3 жыл бұрын
It’s a 2001 siren I think
If I ever hear a siren like this in Kansas I'm just going to assume it's the end of the world 😭😭😭
@twistercuber
7 жыл бұрын
you may in wichita at the mcconnell AFB they have a Modulator
@twistercuber
7 жыл бұрын
4 actually
@twistercuber
7 жыл бұрын
wtf, hence the word "assume"
@MrAIRSHOWFAN100
6 жыл бұрын
1,000 SUBS WITH NO VIDS CHALLENGE heh no Chicago uses alternating wail as tornado sirens
@wheeinsheight
6 жыл бұрын
America explain
We need to stop using this and only use it for the apocalypse
@SuperSirex1272
5 жыл бұрын
The strange thing is, these run in a steady tone for actual warnings, and this is just for tests iirc
@heyeddieg6850
4 жыл бұрын
FireCyclone one time i went to Chicago and once when i was in my hotel, i heard this and i thought we were being nuked. But then the hotel staff told us it was a tornado siren........
@popcornegg4405
4 жыл бұрын
SuperSirex127 2 isn’t that what the Wesminster chimes are for?
@dubthetornadosirenfan6007
4 жыл бұрын
Nah it’s alternate wait for TORNADOES
@mayor_archive
4 жыл бұрын
STOP IT WITH LETS USE THIS SIREN FOR THE APOCALYPSE
Sounds like Chicago...
@RT42069
7 жыл бұрын
sounds like death
@adamwhitewx
7 жыл бұрын
It does sound like Chicago! Chicago only sounds alternate wail for warnings though. Fancy seeing you here, +Creature Claw!
@tionstav5799
7 жыл бұрын
true. Chicago sounds alternating wail on fs modualators.
@caattall
7 жыл бұрын
u know like the foggy day sounded like silent hill
@godsbestdd
7 жыл бұрын
Tionstav i thought Chicago ran on EOWS 612 sirens
2014: It's the Federal Signal Modulator. 2020: It's Siren Head, everyone get the guns!
@alexmcface
3 жыл бұрын
Siren head is stupid
@robloxsirens2286
3 жыл бұрын
Yea I still thank he’s cool but yea that’s the downfall of siren head is kids that ruined the siren community I still think he’s cool like is a genius creation that Trevor made but u can hate me Ik since I like siren head but I’m not like those people who said SIREN HEAD?
@calumbrooknicolson
3 жыл бұрын
@@robloxsirens2286, okay.
@mjt777x8
3 жыл бұрын
@@robloxsirens2286 well he’s not cool cuz he’s gonna eat u but amazing invention
@BabakCDT16CC2DEProYT
3 жыл бұрын
@@alexmcface FUCK OF SIREN HEAD IS AWESOME AND COOL
Yes! I Finally Found It!! One Of My Favorite Sirens!!!
@FireDetection101
8 жыл бұрын
Me too 😄
@theairsoftguineapig8070
6 жыл бұрын
Lucasblake90 I love tornado sirens but the alternate wail just haunts me
@iamliterallyjustaaloeverap1495
5 жыл бұрын
Ikr!
@PressTtoChat
5 жыл бұрын
I only have the air raid version of this in holland
@bikerboi4197
4 жыл бұрын
The sound is alternate wail. This sound is used on epws 612, 1212, etc. The siren itself: no idea. Just search "alternate wail siren" and chanses are you will find something thats sounds exactly the same.
It’s amazing that you can hear the Cincinnati sirens from across the river. That ambience was beautiful. If only the thunderbolts were still working.
When that siren was not activating and something else sounds in alternative wail *siren head*
@a20axf
4 жыл бұрын
Erwin Besmonte ahaha that brought me here
@emilypatriciagarciacanals4588
4 жыл бұрын
Erwin Besmonte you read my mind
@ianssirenproductions
4 жыл бұрын
The sirens before the mod was the Cincinnati siren ambience
@Asmith-1111
4 жыл бұрын
Lol. Im ur 100th like
@triclamite
4 жыл бұрын
Erwin Besmonte it is not siren head stop with siren head
The beginning sirens in the distance sounds so pretty
Birds when siren activates: ight imma head out
@arushamm
4 жыл бұрын
Its probably just the gorvernment calling the birds back to change batteries.
@sirenhead666wo
3 ай бұрын
the siren: wee woo wee woo wee woo wee woo wee woo wee woo
2004 we're visiting downtown Chicago from California. A wild thunderstorm (even by Chicago standards) blows through. All of the sudden one of these is going off down the street. Totally freaked out my wife.
Alternate sirens are always scary because you get used to the normal one then you hear this and you think holy fuck the worlds gonna end
@hunganhnguyen1902
7 ай бұрын
Dont say "fuck" just say "f*ck"
@texasball01
5 ай бұрын
@@hunganhnguyen1902 just let em curse man,
@sirenhead666wo
4 ай бұрын
bro that's a bad word
siren starts at 1:35
@WindowLickingDeer
3 жыл бұрын
And has a bit of a hiccup at 2:33
@riptechnoblade6615
2 жыл бұрын
The siren test end that 4:52
@doge4798
2 жыл бұрын
Me so funny
@WigWagProduction
2 жыл бұрын
@@doge4798 doge
@demoman5864
2 жыл бұрын
@@doge4798 doge
If this happens during school: All of my classmates: *abrupt screaming*
@smoke-asac5753
4 жыл бұрын
Marble Wafers if this happens in class I’m running the fuck out 🏃🏽♂️🏃🏽♂️
@automotiverobloxfoundation8684
4 жыл бұрын
I would be happy if heard this during school because this is my favorite sound on a siren. And I get it I’m a weirdo.
@benjaminbrown3939
3 жыл бұрын
Sirenhead
@random-b-i2480
3 жыл бұрын
The quiet kid: it's ahow time
@BabakCDT16CC2DEProYT
3 жыл бұрын
@Yellow Thunderbolt 1003A Tornado Siren SHUT THE FUCK UP SIREN HEAD REALLY EXIST
this is the kind of the siren that should be used to scare off attackers from other countries, it definetly scares me to the deepest corner of my bed.
@sirenmaster1735
Жыл бұрын
That siren would annoy some dogs. Some dogs might be used to this
@frostyvr9805
Жыл бұрын
You’re suggesting using it like a carnyx and I’m all for it
@HSETM
Жыл бұрын
@@sirenmaster1735my dogs are used to sirens.
Chicago anyone?
@QuentinRichardsthe2012brony
8 жыл бұрын
Yup
@gio11138
8 жыл бұрын
Of course
@hiwassup6062
7 жыл бұрын
Yep. These are the sirens that are put up Chicago.
@caattall
7 жыл бұрын
foggy silent hill
@fangisdead130
6 жыл бұрын
Yep
That's frigin creepy
@hooviedoovie5220
8 жыл бұрын
look up Chicago tornado sirens. same siren, same tone but the ambience is just creepy as hell
@KidCrazer14
4 жыл бұрын
Ambiance is creepy!
@NyxKemo
3 жыл бұрын
I agree
@laaeeh
3 жыл бұрын
Menno Van der weide no it's a normal siren
@ilwx
3 жыл бұрын
@@KidCrazer14 stop with the siren head it’s just a dumb meme
The first ones sound eerily similar to the ones in Dodge City. Like a choir of angels warning of an apocalypse...
Sounds like the main menu music to an adventure video game
@alohadubs7683
5 жыл бұрын
Nicholas Kim Sounds more like the ambience for a post-apocalyptic game like Killing floor. Kinda fucked up adventure games do YOU play
@oliverholm3973
4 жыл бұрын
Ahh yes, the adventure of a spiraling descent into madness
@laaeeh
3 жыл бұрын
Nick Kim what?
@spot7093
3 жыл бұрын
what kinda adventure video games you been playin
@seleilidceeleokay
3 жыл бұрын
No
I just loved that after that other wail stopped sounding and the modulator took its turn.
I like the siren ambience with the bell in the background very cool.
This is the siren that I was finding for. 👀
@reefslider1
4 жыл бұрын
mentos siren
@tinydoesstuff2328
4 жыл бұрын
mentos siren
@vivianacarpena8470
4 жыл бұрын
mentos siren
@kianthetrainspotter7777
4 жыл бұрын
lol mentos siten love it
@XBGamerX20
3 жыл бұрын
siren head
I heard somewhere that this specific wail is used in places such as Chicago because the different tones (at least one of the frequencies) travels further so there doesn't need to be as many sirens, which seems reasonable to me but I'd like to hear what others have to say on it.
People who dont know much about sirens “ITS BROKEN”
@laaeeh
3 жыл бұрын
Facts
@RandomTransits
3 жыл бұрын
Bubba Vines ok
Tornado: I'm gonna kill Campbell county! Siren: *goes off* Tornado: ok ight Ima head out bois
@darthvooyid9299
3 жыл бұрын
@Dylan Johnson r/wooosh
@Avetho
2 жыл бұрын
@@darthvooyid9299 I felt that woooosh from here. Also, r/itswooooshwith4os
@darthvooyid9299
2 жыл бұрын
@@Avetho lmao
1:35 siren starts 2:34 it _ALMOST_ dies
@lhennacis2051
2 жыл бұрын
ya mean 2:33
It's neat that you got the ambiance AND the MOD.
Thanks for letting us know what the other sirens were I really appreciate it thank you PS you're the best
@sirenmaster1735
Жыл бұрын
Also this is siren head when he has too many brownies for dessert
Dear Santa,
@Umbreedon
8 жыл бұрын
i want a siren like this for christmas!!!!
@someguy9321
7 жыл бұрын
ShadowStalker Miss you brotha
@queencitysirens8755
5 жыл бұрын
I would like a portable modulator to take to Chicago to scare the public.
@indicastudio4421
4 жыл бұрын
Shut the fuck up, he ain’t real
@noahandrewsandrews7830
4 жыл бұрын
@@queencitysirens8755 how dare you
I finally found it! The Chicago siren model!
The start with the sirens in the distance is something I've been struggling to find audio of for so long. I need more like that.
creepy chicago siren
@listranovita1765
6 жыл бұрын
Elvis Ramos/ ERB systems no its not chicago Sirens its just similar to Chicago sirens
@DorianTMChannel
5 жыл бұрын
This is campbell county kentucky
@Dubby522
4 жыл бұрын
Yes
@619xnomo
3 жыл бұрын
@DorianTM No, This is Campbell County, TN.
Sounds like the T-Bolt in downtown Cincinnati is still active as well. It's interesting that they're using Alternate Wail for testing now. Last time I was down there for a test a few years ago they were doing Westminster Chime for tests.
@lisirenprod1003
2 жыл бұрын
Thunderbolts aren’t electronic sirens..
@Oldiesmann
2 жыл бұрын
@@lisirenprod1003 I never said they were?
That ambiance is awesome! What is the name of the music at the beginning?
@Jetliner
7 жыл бұрын
Csx2748 || maybe you found it already, but it's [Noisestorm - Breakdown]
@Csx2748
7 жыл бұрын
Lol thanks, i actually didn't find it, until you replied
@kassandravaldez2057
5 жыл бұрын
It's not the ambiance siren
@kbye8s
4 жыл бұрын
Ya shut the hell up its not a ambience
@Antareancommunsim
4 жыл бұрын
Is reaplaced by 2001 !!! Get out of my property NOW
Everyone gangsta until you pause the video and it still plays
That's some wicked ambience!
Wish I had this in my backyard lol
@topnerfgear5884
5 жыл бұрын
You must hate your neighbours lol
@mackenzierynebagtong8549
4 жыл бұрын
Relateable.
@ns_guy5149
4 жыл бұрын
Menno Van der weide trust me he will It’s the mating call of all siren heads
@laaeeh
3 жыл бұрын
Top NERF Gear I think it's the other way around
@ns_guy5149
3 жыл бұрын
@Yellow Thunderbolt 1003 Siren stfu it’s a fucking joke dumbass
I'm not a fan of alternate wail myself, I think it sounds pretty dreadful.
@calebheney302
4 жыл бұрын
that's kund of the point, its not suppose to sound happy like everything is okay, its suppose to warn you.
@forestfox896
4 жыл бұрын
but to be honest its creepy as fuck and small children really dont like it
@xaviersavedra711
4 жыл бұрын
It is supposed to creep you out, tornado warnings are no joke.
@OhKnow379
4 жыл бұрын
forest fox it really isn’t creepy lol. The sound of multiple regular sirens getting louder and quieter as they turn towards you sounds like a horror movie. Literally
@carreraman8364
4 жыл бұрын
@@forestfox896 not creepy at all
1:35 siren starts
People need to stop the siren head stuff, siren head has nothing to do with "Alternate Wail" Its just a tone to get people attention easier, so they made it a bit creepy sounding....
We finally found Chicago's siren!
@indicastudio4421
4 жыл бұрын
Tesla Model X this is in Kentucky
Imagine this on some old ambulance
@blankyboi1040
4 жыл бұрын
I'd rather not, actually. I'm scared enough as it is.
@dannyjacob5002
3 жыл бұрын
No I'm good lmao
Everybody’s gangsta until they pause the video and the alarm keeps going
THIS is my favorite siren of them all.
Tornado: ha I'm about to destroy the entire city Siren: wee woo wee woo Tornado: *understandable have a nice day*
do they use Alternating Wail just for tests, or actual warnings, as well?
@Oldiesmann
9 жыл бұрын
Quentin Quale They use alert for warnings as far as I know
@hooviedoovie5220
8 жыл бұрын
i know in Chicago they sure as hell use alternate wail for warnings xD creepy af
@QuentinRichardsthe2012brony
8 жыл бұрын
+Quentin Quale Oh my god, I'm not the only Quentin on this planet. *phew* I'm sure they use Alternate Wail in warnings.
@yoshiswag8704
4 жыл бұрын
Both
@josephmartinez3109
4 жыл бұрын
They use the alternate wail for warning in Chicago don’t know about others
Beautiful!
that siren that sounds like a 2001 is actually a thunderbolt 1000 which still amazes me
when none of the creature associated with this is in the comments VICTORY SCREECH
@thunderboltisthebest
Жыл бұрын
check again
*FunFact:* The function Alternate Wail from Modulator MOD-2008 was projected to only be used during the Armageddon, the Ragnarök , or during the awaken of the Elder Ones.
@detectiveamevirus8
4 жыл бұрын
Wow
@kansasstatealerting2424
3 жыл бұрын
That’s a lie, it can be used for anything.
@thispc101
Жыл бұрын
have you heard of Chicago? They use these in tornado srns
@TheBryanChannel
3 ай бұрын
@@thispc101they use a Modulator-6048.
God the ambience is amazing
Gonna be honest, the Alternate Wail is kinda fire
WOW I HERD A ACA ALERTER and I do get annoyed about people and the Chicago shit but its a siren tone its not broken
@1000BT
4 жыл бұрын
Allertor
@graythewolf6096
4 жыл бұрын
I know right? I think alt. Wail sounds nice actually.
@HSETM
3 жыл бұрын
I think chicago haa DSA'a and mod's that do alt wail. Im certain about the alt wail part but not sure about the mods and dsa if they have just on or the other, no mix.
@-amoureuse-9489
3 жыл бұрын
Yeah
@laaeeh
3 жыл бұрын
Yeah
I am fascinated how this an EOW 612 can produce the exact same wail in alternate mode.
@luigikoopa8771
2 жыл бұрын
they are both speakers and if they both have ultravoice controllers they will sound the same
@alexmcface
2 жыл бұрын
Can you spell better?
@alexmcface
2 жыл бұрын
@@luigikoopa8771 not you
@luigikoopa8771
2 жыл бұрын
@@alexmcface yes
@dylanjb4065
Жыл бұрын
@@luigikoopa8771 EOWS 612 sirens can do alternate wail with their controls too
That’s the most insane imitation of the Doppler effect I’ve ever heard!
I like how the random bell starts getting in on the fun.
I am very impressed that no one is talking about siren head
@Whyyoutubewhy..
3 жыл бұрын
umm check again
@Whyyoutubewhy..
3 жыл бұрын
;-;
@Peponeshittycontent
2 жыл бұрын
@@Whyyoutubewhy.. ah fuck
During the ambience it sounds like Dodge City.....
@-amoureuse-9489
3 жыл бұрын
Ikr it sounds so pretty
I like the Attack, but the Alterative Wail has got to be my favorite.
the cacophony of sirens in the beginning sounds incredible
My KZread crashed and played this when I exited the app so that's pretty spoopy
@stephensnell1379
3 жыл бұрын
You have very bad grammar
I've been wondering what siren made this noise ever since watching the videos of the sirens in Chicago never would have guessed it would be a modulator...
@alexandergrube6437
2 жыл бұрын
I believe EOWS sirens have this tone too
@ValenDRV
2 жыл бұрын
@@alexandergrube6437 they do, and if you put a UV controller on a Whelen, they will be able to do it. (I don’t recommend it because it will make the siren life shorter). For example, In Hoover Alabama, they have a Whelen that does hi lo and alt wail.
When you don't know why the alternate exists, but is glad it does.
@beowolf9480
3 жыл бұрын
the alt-wail siren is used to warn for an EF5 or higher tornado
Hypno and the death of wail sound scares people Hypno: *takes away a child it hypnotised* His/Her parents: oh no!
that's a fucked up cop car in GTA.
DIS IS NOT SRN HEAD DO NOT PANIC
What were the name of the sirens heard in the background?
We have a Whelan vortex that does this same alternate wail during an approaching thunderstorms or dangerous weather alarm and a steady high low for fire alert.
Sounds Like Eows-612
Me hearing this reminds me of that clip where a building came crashing down
When sirens start in the background it sounds like a musical For a movie!!
this is the best siren ambience ive ever heard
@sirenmaster1735
Жыл бұрын
First I heard a 2001-SRNB or it could’ve been a 2001-130. Maybe an allertor too
@hmsirensandfirealarms
Жыл бұрын
@@sirenmaster1735 it's a Federal Signal Thunderbolt 1000 at Chopper Level 7
If you think this is scary look up Chicago tornado warning.
@ChicagoSirens
10 жыл бұрын
This is the same siren series Chicago has in downtown but they are larger versions.
@CamouflageFacePaint
9 жыл бұрын
Better! Look up the Day After (The Attack Segment) And watch people get vaporized. :)
@FireDetection101
8 жыл бұрын
+ChicagoSirens yep, those ones are the 6024/28 (I think 6028 is a model number)
@caattall
7 жыл бұрын
foggy silent hill
@alienextraterrestrial113
7 жыл бұрын
Its the same thing..
2001's and t128's all over!
For those that want to troll in school with your PA system. You can go to Federal Signal's website and under "resources" you can download the alternate wail sound.
the bird bro 💀☠ had to flew and interupt the recording lol
The alternate wail is my favorite siren ever.
@BRISTOLFORCE2009
3 жыл бұрын
Signal not siren
@ThunderFist1978
3 жыл бұрын
You just have to correct people even when there’s no need to do so, don’t you? Your OCD must drive you absolutely nuts.
@20v552
Жыл бұрын
@@ThunderFist1978 bro calm down hes only trying to help
Was that smoke coming from the driver when it started up?
Low key a beautiful sound
@sirenmaster1735
Жыл бұрын
Siren head
Best alternate wail vid!
The alternate wail on modulators is extremely scary
@SWATfromsimplessndbox2787
2 жыл бұрын
Siren head tone
@warningsirensofsouthflorid6770
Жыл бұрын
@@SWATfromsimplessndbox2787 👁👄👁
@thewagonconductor8759
Жыл бұрын
@@SWATfromsimplessndbox2787 Same Tone used for the "Broken Tornado Siren" in Chicago.
@F_flitter
6 ай бұрын
@@SWATfromsimplessndbox2787👁👄👁
that is one hell of a creepy ambiance in the beginning.
@kassandravaldez2057
5 жыл бұрын
That's not a ambiance
@BRISTOLFORCE2009
3 жыл бұрын
Yes it is
@misuubre14
3 жыл бұрын
XD
Wait, so the difference betweed modulator 2008, 5020, 6024, 8032 is the more of those mentos the louder it is? And the EOWS 612 is just a spinning modulator?
THE AMBIENCE SOUNDS EPIC
2:33 what
@thehackeroftornadosirens5133
4 жыл бұрын
Ikr
How does this one siren work does it work with speakers inside the plastic
@Keaton0801
6 жыл бұрын
Raymonthewolf I don’t know, maybe the plastic works like frosty the snowman’s hat.
@byronrieckman8416
5 жыл бұрын
The cells aren't plastic there formed metal but yes there are speaker drivers inside them
@Dutch3DMaster
5 жыл бұрын
The top 2 dishes contain 4 speakers per dish, with each speaker being able to deliver 100W's of power. The speakers are mounted inside with the driver at the parts where the two dish parts meet, with a horn directed to the center, where the horn changes shape and reflects the sound out from the bottom. All the speakers (basically one for each direction, North, East, South, West) reflect the sound out through the bottom of the dish, where the megaphonehorn shape on the outside between the dishes serves the purpose of amplifying the sound even further without needing even more powerful speakers and amplifiers. In the 2008 version the only dish that is not active is the bottom one, and it's there to serve as the bottom part of the horn shape of the middle dish. We have this siren in two versions in The Netherlands, the 1004 version only has one active dish at the top and one inactive one at the bottom, but the speaker configuration is the same. The Netherlands uses the 1004 in less densely populated (rural) area's where the chances of the siren carrying far enough with just one dish are bigger. In The Netherlands they are activated through a radio signal of some sort (the poles they are mounted on all have an antenna with a receiver/equipment box either at the bottom of the pole or when it's on a high rise building, near the base of the siren that's usually 1 or 1.5 meters up from the base). Should you be interested how they look from really close, I have a video from a test of those on my channel with some pictures and video while standing right next to one edited in (I absolutely do NOT want to be next to one of those when it goes off). We have the same type of siren, but the sound is absolutely different in The Netherlands.
@heyeddieg6850
4 жыл бұрын
Iris umm..... A little of a Nerd are you Jk
I love this siren.
This video was posted on my birthday. Damn.
Great recording bro!
I heard a 2001 and either a t128 or 508 in the background
@Elizabeth-ts4om
7 жыл бұрын
The Killer Clown it's a T-128
@m3m3b0y2
5 жыл бұрын
T-128’s in Hamilton County, and 2001’s Covington, Newport, etc.
@Cheeselover2626
4 жыл бұрын
it says 2001's,T128s and Thunderbolts
@kansasstatealerting2424
4 жыл бұрын
The Killer Clown The “2001” was a high pitched Thunderbolt 1000
@BRISTOLFORCE2009
3 жыл бұрын
Wait what is that a joke, it sounded like a 2001
is it ok if I use a video in a siren test compilation I’m working on? I will give credit in the description.
SO THATS where the siren head sound source came from, my favorite siren type seires
...is it bad i actually like the sound of the alternate wail sirens?
@Lunovia
2 жыл бұрын
no
Is their a diffrent system or something that activates the other sirens?
@Elizabeth-ts4om
7 жыл бұрын
The sirens heard before this one are part of Hamilton County Ohio's system
@sjake786
7 жыл бұрын
Thanks
@sjake786
7 жыл бұрын
OH YEAH because it's really close to the border of the city
@mmacigewski755
7 жыл бұрын
Elizabeth_958 why do sirens use an alternate wail?
@Elizabeth-ts4om
7 жыл бұрын
StarKin KZread that's a great question. I know Chicago uses it because the sound echoes off of all the buildings but I'm not sure why any other place used it
Very unique and at the same time scarier sound
I hear a t-128 and thunderbolt 1000 and thunderbolt 1000T with 4/5 awesome :D
Someone HAASSSSS to make a remix out of this
@addison.n0125
3 жыл бұрын
They did look up Chicago tornado siren remix
@poopgirlsuates875ytfedelco3
3 жыл бұрын
Siren head remix
If I heard this in real life I would just make myself die. It straight up sounds like an inter dimensional being is coming to get me
hard to describe but the sound is terryfyingbbut oddl satisfying in the same moment ....
The ambience is slightly bone chilling
@progen1140
2 жыл бұрын
Agreed