|
|
|
UER Store
|
|
sweet UER decals:
|
|
|
|
Activity
|
|
957 online
Server Time:
2024-04-19 11:17:00
|
|
|
Harlan
Location: Austin Gender: Male
| | | Radio Frequency Emissions < on 4/13/2011 3:18 AM >
| | | So there's an awesome radio-tower in my city that I'd like to climb, but I also don't want cancer. How dangerous are RF emissions, really? Is there anything I should know to avoid particularly high exposure, if I were to go up the tower? Here's an unnecessarily large picture of the sign.
I guess I should probably write something down here. |
|
NiiCKx3
Location: W.V.
| | Re: Radio Frequency Emissions <Reply # 1 on 4/13/2011 3:22 AM >
| | | Here's my sarcastic, yet really cool answer.
Less breaking, more entering -- *tells cop we're taking pictures* "OF WUUUUT?!" |
|
\/adder
Location: DunkarooLand Gender: Male
I'm the worst of the best but I'm in this race.
| | | Re: Radio Frequency Emissions <Reply # 2 on 4/13/2011 3:25 AM >
| | | http://www.uer.ca/...d=81595&currpage=1 Stay 5-8 feet from any transmitter face and if you have to climb past one, do it fast. In fact OSHA's official stance on Paging transmitters (which are omnidirectional) is "climb faster" http://www.uer.ca/...urrpage=1&pp#post9
"No risk, no reward, no fun." "Go all the way or walk away" escensi omnis... |
|
Harlan
Location: Austin Gender: Male
| | | Re: Radio Frequency Emissions <Reply # 3 on 4/13/2011 3:33 AM >
| | | Posted by NiiCKx3 Here's my sarcastic, yet really cool answer.
|
It's not a topic which generally interests people who aren't directly related to that field of work, so a lot of information on the web is overly-specified technical jargon. Also, official safety guidelines sometimes exaggerate dangers. I was posting this in the hopes of getting some more basic, practical advice from others who have climbed radio towers, as I know I've read mention of it. This would be infinitely more useful to me than dense PDF's filled with way more than I'd ever care to know about radio frequencies. The sarcasm's appreciated, though.
I guess I should probably write something down here. |
|
\/adder
Location: DunkarooLand Gender: Male
I'm the worst of the best but I'm in this race.
| | | Re: Radio Frequency Emissions <Reply # 4 on 4/13/2011 3:44 AM >
| | | I explained it in detail here: http://www.uer.ca/...rrpage=2&pp#post31 also here: http://www.uer.ca/...d=65012&currpage=1 And you ought to be familiar with industry practices or stay outside the fence like the sign suggests. http://www.uer.ca/...urrpage=1&pp#post8
As his body heated from the inside-out from the radiation he probably shed layers, it was windy and they probably blew away. The length of an FM wave is ~30m/100ft. Being within 100' of the transmitter mast for prolonged periods of time is enough to cause permanent damage to your eyes and inner organs. First indicator of a dangerous exposure is a intense warmth in your ankles, as fluid is highly concentrated over as short space. He would become disorientated and his vision would have started to get blurry then would whiteout to grayout to black. His eyes would boiled like eggs dropped onto a skillet and internal organs would have become warmer until the liquid bearing organs burst first, he would probably have lost consciousness before this. Tasty.
|
"No risk, no reward, no fun." "Go all the way or walk away" escensi omnis... |
|
Vectored Approach
Location: Morgan Hill, CA Gender: Male
| | Re: Radio Frequency Emissions <Reply # 5 on 4/13/2011 3:49 AM >
| | | My advice, due to what I've read and know of RF... don't climb it unless you are damn sure that it is either OFF, or is of lower power/frequency that won't cause you harm. Kind of like asking about climbing into a big piece of machinery... is it locked out/won't start/safe area you are climbing into? You should know 100% before you even start.
Honesty may be the best policy, but it's important to remember that apparently, by elimination, dishonesty is the second-best policy. -George Carlin (1937 - 2008) |
|
aurelie
Location: pacific northwest Gender: Female
high tech:: low life.
| | | Re: Radio Frequency Emissions <Reply # 6 on 4/13/2011 5:04 AM >
| | | from my experience: AM= Fuck no. FM= Sometimes, but don't go too high.
reckless thoughts abide; anachronistic and impulsive. loosely jacketed against the cold and ten thousand worlds for the choosing. |
|
terapr0
Location: Sauga City Gender: Male
www . tohellandback . net
| | | Re: Radio Frequency Emissions <Reply # 7 on 4/14/2011 10:17 PM >
| | | yea definitely stay away from AM frequency towers as they're typically radiative masts (the tower itself is the antenna). these are easy to spot by the insulators on the guide wires. Just touching the mast will kill you. That being said, there certainly are towers that are "safe" to climb, but as a general rule, unless you have professional experience (or at least guidance), or are 100% sure the tower is disused, stay away from them. lots of risk, not too much reward. cranes are safer, and arguably more fun / interesting anyways...
www.tohellandback.net |
|
SoylentWhite
Gender: Male
| | Re: Radio Frequency Emissions <Reply # 8 on 4/14/2011 11:52 PM >
| | | Yeah, I'd definitely stay away from this. Not worth it! I dont need no face cancer
|
|
Harlan
Location: Austin Gender: Male
| | | Re: Radio Frequency Emissions <Reply # 9 on 4/15/2011 12:24 AM >
| | | Thanks for all the input- I'm now starting to see that this may be out of my league. I tried to find information on this specific tower and it seems that it's part of a public safety system owned by the city, but that it's leased out for cell signal. This seems like it would be safer than actual AM or FM broadcasting, I suppose.
I guess I should probably write something down here. |
|
aurelie
Location: pacific northwest Gender: Female
high tech:: low life.
| | | Re: Radio Frequency Emissions <Reply # 10 on 4/15/2011 12:38 AM >
| | | Cell towers are perfectly safe, though they aren't as tall or exciting as radio towers. Just don't bring your cell phone up when you climb it, because it might get fried.
reckless thoughts abide; anachronistic and impulsive. loosely jacketed against the cold and ten thousand worlds for the choosing. |
|
-insertnamehere-
Location: CO Gender: Male
"...We're taking photos" ... "PHOTAHOES?!?!?! ?!"
| | Re: Radio Frequency Emissions <Reply # 11 on 4/28/2011 6:34 PM >
| | | There's a cell tower I'm planning on climbing soon, but I'm not sure if there's anything else at the top of the tower... From the looks of his sign though, I think I should be alright:
(Excuse the cell phone picture) If I remember correctly, white signs are good. EDIT: picture oversized [last edit 4/28/2011 6:35 PM by -insertnamehere- - edited 2 times]
|
|
ghost6
Location: R'lyeh, North Carolina Gender: Male
| | Re: Radio Frequency Emissions <Reply # 12 on 4/28/2011 6:53 PM >
| | | AM towers are fine, you dont ground yourself to the radiator (the tower). The technique of climbing an AM tower is almost as old as AM itself, you get a running start, and JUMP! (or just use a fiberglass ladder). As for pagers, cellular, 2 way systems, etc, 99.9% of it is harmless. FM broadcasters, TV stations, microwave dishes (in front of), these things can and will fuck you up very badly. That means the big ass platform candelabras 2,000 in the air, are no go unless you are base jumping, and those guys, they move fast.
The nightmare corpse-city of R'lyeh…was built in measureless eons behind history by the vast, loathsome shapes that seeped down from the dark stars. There lay great Cthulhu and his hordes, hidden in green slimy vaults. |
|
\/adder
Location: DunkarooLand Gender: Male
I'm the worst of the best but I'm in this race.
| | | Re: Radio Frequency Emissions <Reply # 13 on 4/28/2011 8:54 PM >
| | | Posted by ghost6 AM towers are fine, you dont ground yourself to the radiator (the tower). The technique of climbing an AM tower is almost as old as AM itself, you get a running start, and JUMP! (or just use a fiberglass ladder). As for pagers, cellular, 2 way systems, etc, 99.9% of it is harmless. FM broadcasters, TV stations, microwave dishes (in front of), these things can and will fuck you up very badly. That means the big ass platform candelabras 2,000 in the air, are no go unless you are base jumping, and those guys, they move fast.
|
And you can climb tv towers safely up to 100-300ft below the transmitters. The length of the wave is ~100ft sometimes as long as ~300ft depending on several factors. I'm not going to bother with AM towers, probably ever, but here's some info anyways: http://radioworld.com/article/93534 http://radioworld.com/article/9210 "Harmless" and "Safely" are a relative term, grab ahold the repeater and see what happens. Water towers do funky things to induced currents. ULYB fried his phone. I experienced induced currents from climbing a water tower while wearing gloves with steel shot in the knuckles. My hands started vibrating and I could feel a current running through them. You probably found either an isocenter (surrounded by cell tower elements on all sides) or an antinode (2/3 of dipole length BELOW the radiating center). Both are repositories of standing waves, which would impart a fine electrical sensation.
"No risk, no reward, no fun." "Go all the way or walk away" escensi omnis... |
|
Harlan
Location: Austin Gender: Male
| | | Re: Radio Frequency Emissions <Reply # 14 on 4/29/2011 12:17 AM >
| | | I also didn't mention that the tower I'm talking about is literally about 50 feet from an elementary school and is in the middle of a residential area. Would that suggest that it's less dangerous at all?
I guess I should probably write something down here. |
|
\/adder
Location: DunkarooLand Gender: Male
I'm the worst of the best but I'm in this race.
| | | Re: Radio Frequency Emissions <Reply # 15 on 4/29/2011 12:29 AM >
| | | Nope. All towers are "safe" outside the fence.
"No risk, no reward, no fun." "Go all the way or walk away" escensi omnis... |
|
Lambda
Location: Rhode Island Gender: Male
| | Re: Radio Frequency Emissions <Reply # 16 on 4/29/2011 3:05 AM >
| | | I'm not too sure how valid this is, but I have read that when climbing radio towers, you should wear a flashbulb on your neck. If it flashes, then the field is strong enough to damage you. This sounds a little flaky to me, and I'm not about to go test it. Your best bet is probably to avoid getting too close to the antennae themselves.
Doing asbestos I can |
|
Vectored Approach
Location: Morgan Hill, CA Gender: Male
| | Re: Radio Frequency Emissions <Reply # 17 on 4/29/2011 5:26 AM >
| | | Posted by Lambda I'm not too sure how valid this is, but I have read that when climbing radio towers, you should wear a flashbulb on your neck. If it flashes, then the field is strong enough to damage you. This sounds a little flaky to me, and I'm not about to go test it.
|
I'm not sure where you'd even find a flash bulb anymore... unless your grandmother has a few boxes stashed away in the junk drawer with her old 110 film camera with undeveloped pictures of you as a baby that you'd hope a girlfriend never sees.
Honesty may be the best policy, but it's important to remember that apparently, by elimination, dishonesty is the second-best policy. -George Carlin (1937 - 2008) |
|
Yield
Location: Look behind you Gender: Male
I'd do you for a klondike bar
| | Re: Radio Frequency Emissions <Reply # 18 on 4/30/2011 12:38 PM >
| | | Posted by NiiCKx3 Here's my sarcastic, yet really cool answer.
|
you'll find when people ask questions pertaining to safety smart-ass remarks are often looked down upon. This question is asked from time to time and I personally feel some of the more experienced in tower climbing (most of which have posted here) should write a little manual full of guidelines for those of us with general interest in the subject. Have one or more of you done that already? I don't even remember where the board full of guides is... *going to search for things*
Yield's Peer Review: ~Doesn't give a fuck, total badass, and one of my ue-besties. ~Genuine, has positive character and this thing called integrity. Knows when to be serious. Passionate about productive things. Human being. ~fish fish boxing boxing bestest friend evah |
|
etchleon
Location: toronto today... Gender: Male
E Tenebris Lux
| | Re: Radio Frequency Emissions <Reply # 19 on 4/30/2011 12:46 PM >
| | | ah, EMINT. I'd stay a good distance away. I got a nasty burn from a mere 200W 800mhz antenna, Id hate to see what 150kw does...
|
|
|
|
All content and images copyright © 2002-2024 UER.CA and respective creators. Graphical Design by Crossfire.
To contact webmaster, or click to email with problems or other questions about this site:
UER CONTACT
View Terms of Service |
View Privacy Policy |
Server colocation provided by Beanfield
This page was generated for you in 125 milliseconds. Since June 23, 2002, a total of 738494179 pages have been generated.
|
|