The rating was way less than 50 PSI; I think it was just 2. Those horns have a lot of exposed area, and I'd guess that their RF performance would be severely...
24504
Sam Etler
sametler
May 4, 2012 10:52 am
... Not sure what the 1969 version is, but this may be of interest: ...
24506
widebandit
May 4, 2012 11:40 am
From BSTJ - September 1968: <http://www.alcatel-lucent.com/bstj/vol47-1968/articles/bstj47-7-1511.pdf> KS-15676 hardened antenna and Type-J unitized...
24507
ozob99
May 4, 2012 12:45 pm
... I've been told by insiders at Project offices the concrete TD-2 antennas were a monolith going down as far as 50' to minimize any angular movement;maybe...
24508
Doug Humphrey
codeblueonetwo
May 4, 2012 2:14 pm
... look to the troposcatter horns for guidance here; cast concrete, perhaps vacuum hardened, mounted on the ground with a large unpinning of concrete. those...
24509
ozob99
May 4, 2012 2:46 pm
... For those who wish to dig deep into blast effects on various structures here are some issues of the NRL Shock & Vibration Bulletins: ...
24510
Boardwalk One
boardwalkinfo
May 4, 2012 3:37 pm
Gentlemen, In the images from Albert's website: http://long-lines.net/places-routes/MD01/020719B-11.jpg http://long-lines.net/places-routes/MD01/020719B-17.jpg...
24511
ajbtelecom
May 4, 2012 6:51 pm
... The USAF detector is the same one from the patent on Albert's site that you linked to earlier, i.e. the Western Union system. It used photoelectric...
24512
charlie Fargis
ucfargis1
May 4, 2012 7:38 pm
The "structure is the hardened TD2 antenna to W4 To: coldwarcomms@yahoogroups.com From: roger.hendrixson@... Date: Fri, 4 May 2012 15:37:42 +0000 Subject:...
24513
charlie Fargis
ucfargis1
May 4, 2012 7:42 pm
See all the bolts http://long-lines.net/places-routes/MD01/020719B-11.jpg To: coldwarcomms@yahoogroups.com From: ozob99@... Date: Fri, 4 May 2012...
24514
Albert LaFrance
albert_lafrance
May 4, 2012 8:07 pm
Thought this might be of interest to some members. From: longlinesretirees@yahoogroups.com [mailto:longlinesretirees@yahoogroups.com] On Behalf Of Roy Juch ...
24515
ozob99
May 5, 2012 12:17 am
I have'nt seen a close up of the TD-2 hardened antennas at the Project offices; if they were bolted to the buried foundation tube like Monrovia, then the...
24516
ozob99
May 5, 2012 1:41 am
A couple of papers on this topic: http://www.dtic.mil/cgi-bin/GetTRDoc?Location=U2&doc=GetTRDoc.pdf&AD=AD0652686 ...
24517
Sheldon Daitch
sheldondaitch
May 5, 2012 8:55 am
I don't think regular toll trunks always had filters either. My mother, long since passed away, could talk down a toll circuit in a heart beat, if she got...
24518
charlie Fargis
ucfargis1
May 6, 2012 8:58 pm
more like if they break away, they could put it back together. To: coldwarcomms@yahoogroups.com From: ozob99@... Date: Sat, 5 May 2012 00:17:33 +0000 ...
24519
farrel_becker
May 6, 2012 9:08 pm
I spotted an old route running along the west side of I-270 in the vicinity of Frederick, MD. I have posted some photos in a new "I-270 K Route?" album. The...
24520
David
wb8foz@...
May 6, 2012 9:13 pm
... Err, it's far more likely to bend badly. Once it does, then what? More than a few degrees and even if the horns can be repointed, what about the...
24521
David
wb8foz@...
May 6, 2012 9:20 pm
... (301) 393 5553 is a Hagerstown prefix....
24522
charlie Fargis
ucfargis1
May 7, 2012 2:49 pm
I worked at MD1 one night during a strike, and whey didnt teach me the tensile strength of the bolts nor how many pieces of spare KS waveguide were in storage...
24523
Matt Ashe
sierramatt1
May 7, 2012 8:05 pm
Test. Sorry for the group post. [Non-text portions of this message have been removed]...
24524
Pj
packy41
May 8, 2012 12:41 am
Where these actively removed from sites as they were shut down, or do they remain? Is/was there any reuse of this equipment or a market for it? (Who wants a...
24525
Mike Walker
thiscloudboy
May 8, 2012 12:48 am
Good question. I don't know but presume they remained in situ? Are they still at the Project Offices where, if anywhere, I would think they might be needed? ...
24526
Boardwalk One
boardwalkinfo
May 8, 2012 5:36 pm
The blast pressure wave detectors are still in place at Netcong although the site was sold in 1995....
24527
David
wb8foz@...
May 8, 2012 5:50 pm
... They are only good for detecting old, obsolete, ones. You need newer ones to work on modern gamma rays....
24528
farrel_becker
May 8, 2012 6:11 pm
The gamma detector is still in place at Monrovia. On top of the hardened (concrete) microwave antenna....
24529
tigger1tom
May 8, 2012 6:50 pm
Anyone know the current disposition on the L-31 bunker in Kingman, AZ? Thanks TT...
24530
widebandit
May 8, 2012 7:44 pm
... They would be fine for a nuclear-hardened bird feeder - waw -...
24531
Dexter McIntyre W4DEX
dmcintyre
May 8, 2012 8:37 pm
... Also at Stanfield. Dex...
24532
Boardwalk One
boardwalkinfo
May 9, 2012 12:05 am
Are there any sites having more than one Gamma detector or more than three blast wave detectors?...
24533
Dexter McIntyre W4DEX
dmcintyre
May 9, 2012 12:13 am
... I believe 4 atmospheric pressure detectors was standard for the L4 underground main stations. There are 4 at Stanfield and I believe I recall seeing 4 at...
