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Old 06-19-2015, 10:51 PM #961
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Old 06-26-2015, 08:40 AM #962
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Default Re: Post your random pics!

My first long exposure shots I've taken. I know they're crap, cut me some slack, I just used my iPad camera

I really wish this one wasn't focused on the dirty window rather than the Lightning, would've made a mighty fine photo:

And then my fav for the night:
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Old 06-27-2015, 09:35 AM #963
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Default Re: Post your random pics!

Oh man, this little guy scared the crap out of me! I was watching YouTube videos, then he decided to sit on top of my PGL's for about 20 mins I guess he likes lasers too?

Anyway, after awhile I just chased him downstairs and watched him moved about until he left. Decided to get a couple shots of the little guy!

PS: I guess having a grasshopper in your home means you will get money soon haha




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Old 06-27-2015, 04:41 PM #964
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Default Re: Post your random pics!

Arduino RTC VFD Clock boxed up , Transformer on front is 1.6Va 230V-7VAC and second picture is my Arduino RTC Numitron Clock in a old DPSS laser head also mains powered

IMG_1166[1] by TwirlyWhirly555, on Flickr

IMG_1168[1] by TwirlyWhirly555, on Flickr
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Old 06-27-2015, 08:57 PM #965
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Default Re: Post your random pics!

Nothing to see here, just some lid flooding the
ISS with packets

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Old 06-28-2015, 12:22 AM #966
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Default Re: Post your random pics!

ummmmm... wut?
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Old 06-28-2015, 01:20 AM #967
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Default Re: Post your random pics!

Quote:
Originally Posted by T_Warne View Post
ummmmm... wut?
He said: "Nothing to see here, just some lid flooding the
ISS with packets"
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Old 07-02-2015, 09:45 PM #968
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Default Re: Post your random pics!

Quote:
Originally Posted by T_Warne View Post
ummmmm... wut?

A lid is "An operator who exhibits poor operating practices."


Edit: that's an interesting looking antenna you have there!
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Old 07-02-2015, 11:50 PM #969
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Default Re: Post your random pics!

Quote:
Originally Posted by diachi View Post
A lid is "An operator who exhibits poor operating practices."


Edit: that's an interesting looking antenna you have there!
Thanks they are known as turnstyle
Doesn't work very well, though
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Old 07-03-2015, 04:03 PM #970
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Default Re: Post your random pics!



taken a few days ago the still is from a short video so the quality isnt the best
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Old 07-04-2015, 02:40 AM #971
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Default Re: Post your random pics!

I work as a telecom tech/engineer, sometimes traveling to remote mountain top locations to troubleshoot radio system problems, thus my ride to work this morning didn't have wheels. Thought I'd share some photo's and video of the part of Alaska I'm living near:


Above, getting ready to leave Valdez, Alaska


Above, on the way to Hitchinbrook Island, Mount Etches.


Landing on Reef Island for a few minutes to check a remote UHF link radio at that location before continuing the trip

Photo's and video aren't too bad for an iPhone


...
...and video of cross country scenery along the way to our destination on Hitchinbrook Island & landing on Mt. Etches
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Old 07-09-2015, 11:50 PM #972
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Default Re: Post your random pics!

Interesting fact that not many people seem to know outside of the industry:

The "spikes" you see on the front (top and bottom) of some helicopters are actually, essentially, scissors. They are there to cut through cables in the event that a helicopter flies into something like a power line. We have them on most if not all of the Bell206/212/412s at work. Note, I'm not a helicopter pilot or engineer, I'm in IT.

From Wikipedia:

Quote:
The WSPS (Wire Strike Protection System) is designed to channel a wire or cable into the cable cutter, score and weaken it as it travels into the cutter assembly, and "cut" a wire before it can entangle the rotor system or cause a crash.
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Old 07-11-2015, 06:15 PM #973
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Default Re: Post your random pics!

Weekend project ,

Multiplexed 4 Digit VFD RTC with large single displays , soon to be in wooden case .

5mS per digit in a 21mS window , so refresh rate is 45Hz ish , 24 volts on anode , DS3231 RTC .

IMG_1206[1] by TwirlyWhirly555, on Flickr

IMG_1204[1] by TwirlyWhirly555, on Flickr


IMG_1203[1] by TwirlyWhirly555, on Flickr
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Now the tide is rising
And Iím staring at the wake
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I think that it might be too late
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The only thing concrete is this weight
So Iím stuck here deciding
How much more before I break

My heart is sinking like a stone
In an ocean of itís own
You said Iíd never be alone
I guess I shouldíve known

Last edited by DashApple; 07-19-2015 at 09:58 AM.
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Old 07-11-2015, 08:47 PM #974
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Default Re: Post your random pics!

Love those tube clocks, so cool.

Here's a photo I took near Prudhoe Bay, Alaska yesterday evening at 6 PM. The sun never sets in the summer up here. Notice how low the satellite dish is pointed towards the satellite Clark belt at the equator, it's elevation is so low it almost looks like a terrestrial microwave link, near top of the world up there!

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Old 07-14-2015, 07:34 AM #975
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Default Re: Post your random pics!

Random photographs with lots of text:

New host with a huge 3 inch diameter lens with a 2.25 inch clear aperture on the end (tube ID) of which 2 inches are used by the long sided/fast axis output of the laser diode. With my 100mw (over driven) single mode 520nm laser diode, the worst case estimated divergence for the 2 inch diameter beam output is close to .02 mRad. With that estimate and if I am using pseudonomen137's online calculator properly, this means the beam expands to just over 8 inches diameter at a five mile distance, 27 inches at 20 miles. This beats the pants off a common 1.5 mRad DPSS green laser which would have nearly a 40 foot diameter spot at 5 miles distance.

Strange as it might seem, due to the lower divergence of a single mode diode the spot intensity (from reduced size) at a distances of over a quarter mile should be a bit higher than a 1 watt multimode diode with this same lens setup.

I'm using a three element lens to partially collimate the output of the diode first as well as adjust the size of the spot which lands on the large PCX lens, had to screw the lens all the way in past normal infinity focus to the mechanical stop point to widen the beam back out to cover most of the PCX lens diameter. I could have done so using the other side of the focas point, but found doing so made a nicer beam.

Host built by Ehgemus PS: Just my arm and hand are fat, the rest of me is in great athletic shape.

http://www.pseudonomen.com/lasers/ca...alculator.html



The apparent awful choppiness of the black ring around the lens in all three photo's is an artifact from reducing the image size, somehow.
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To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395






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Last edited by Alaskan; 07-14-2015 at 07:26 PM.
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Old 07-14-2015, 08:38 PM #976
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Default Re: Post your random pics!

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Too much to list.
Lazeerer custom polished L6 porcupine build 3.8mm 405nm 1W
Dragonlaser Spartan 405nm 300mW Polished
SKYlasers HL405 405nm 550mW
2◊WLasers Sonar Elite Pro 3◊Sonar white
2◊Dragonlaser Spartan 447nm 1.1W with Beam Expander
TrustFire Cree Z5 2W+ 445nm Custom build
Blord build Big Boy 3W 445nm
Wicked Lasers S3 Arctic 445nm 2W 1.25 etc
Ultrafire C3 host Osram 450nm 180mW single mode
Optotronics RPL-B 473nm peak@112mW viasho upgraded
3XWLasers S3 473nm portable 112mW LE 1◊S2
473nm >300 Lab laser
1.4W 520nm - The Hulk - MS-SSW-II Custom Direct Green DTR
SKYlasers PL520 520nm 80mW
Laserglow Hercules-650 532nm 850mW 777mW avg
Optotronics 450 RPL-G 532nm >570mW peak
Wicked Lasers Krypton 1W 532nm avg 997mW pk 1268mW
Jetlasers PL-E Pro >800mW
Laserglow Rigel HV PRO-50 589nm 95.1mW
CNI PGL III C >80mW 589nm
LaserGlow Rigel 6 593.5nm 8mW
Wicked Lasers Spyder II RX (Limited Edition, >300mW) 600mW peak
RHD build SH-032 host 635nm 500mW
RHD build Red Bulldog 638nm 1W+
Dragonlaser Spartan 640nm 100mW
SKYlasers PL650 650nm 1W
RGB and RGY Scanner 1.5W
Flashlights: HID Polarion PH-40, LED Olight SR-90
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