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Previous set from Duga here: www.flickr.com/photos/timster1973/sets/72157643924793935/
Duga-3 (NATO reporting name Steel Yard) was a Soviet over-the-horizon radar system. It was developed for the Soviet ABM early-warning network. The system operated from 1976 to 1989. Its distinctive and mysterious shortwave radio signal came to be known in the west as the Russian Woodpecker.
Two stations of Duga-3 were installed: a western system around Chernobyl and an eastern system in Siberia.
The transmitter for the western Duga-3 was located a few kilometers southwest of Chernobyl (south of Minsk, northwest of Kiev). The receiver was located about 50 km northeast of Chernobyl (just west of Chernihiv, south of Gomel).
The Soviets had been working on early warning radar for their anti-ballistic missile systems through the 1960s, but most of these had been line-of-sight systems that were useful for raid analysis and interception only. None of these systems had the capability to provide early warning of a launch, which would give the defenses time to study the attack and plan a response. At the time the Soviet early-warning satellite network was not well developed, and there were questions about their ability to operate in a hostile environment including anti-satellite efforts. An over-the-horizon radar sited in the USSR would not have any of these problems, and work on such a system for this associated role started in the late 1960s. Duga-3 could detect submarines and missile launches in all of Europe and the Eastern coast of United States.
The first experimental system, Duga-1, was built outside Mykolaiv in Ukraine, successfully detecting rocket launches from Baikonur Cosmodrome at 2,500 kilometers. This was followed by the prototype Duga-2, built on the same site, which was able to track launches from the far east and submarines in the Pacific Ocean as the missiles flew towards Novaya Zemlya. Both of these radar systems were aimed east and were fairly low power, but with the concept proven work began on an operational system. The new Duga-3 systems used a transmitter and receiver separated by about 60 km.
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Formerly a beautiful 1920's skylit control room, unfortunately now only half of it left and the skylight is blocked
yapımında emeğim geçtiği için demiyorum, silahtarağa gidip görülmeli çok güzel...
picture from the control room of the old thermal power plant silahtaraga, the museum of new campus of istanbul bilgi university. i was the design engineer of the infrastructure system during construction.
German WW2 AtlanticWall Bunker, M.Fl.B. Type Regelbau FL244 Fire control post for heavy Flak Anti Aircraft battery.
The battery is constructed according to a standard layout for this type of anti-aircraft batteries. The site still contains the fire control post of type FL244 (Fire control post for heavy Anti Aircraft battery) on the northeast side of the site and in the center of the site four gun positions of the types FL243 Emplacement for 8,8/10,5cm Anti Aircraft gun). On the south side are two ammunition bunkers of the type FL246 (Munitions Auffülrlaum für Schwere.
#AtlanticWall #AtlantikWall #bunker
Remote controlled Rover, I challenged myself to make a remote controlled 6x6 with all wheel drive, as small as possible, front and rear steering, suspension and as many lights as I can cram into this model as possible. This model contains 1 buggy motor, 1 pf steering servo, 1 pf v2 IR receiver, 1 pf switch, 4 sets of pf LEDs, 2 pf extension cables and 2 old school lego LED lights (for the flashing lights)
Wearing: Le'La Design - Lowri
Backdrop: The Bearded Guy - Peace Control
Credits:
Le'La Design: Lowri
Exclusively available at Designer Showcase November 5th through November 25th
LM: maps.secondlife.com/secondlife/Corrupted%20Innocence/89/9...
40 solid and ombre colors Outfit - Dress and heels
Multiple Colors Combination via HUD
Fit mesh for bodies: Maitreya/Petite - Legacy/Perky - Kupra - Reborn/Waifus - Erika - GenX Classic/Curvy
The Bearded Guy - Peace Control
Available at the main store.
↘↙More information about Le'La Design:
Le'La Store Flickr: www.flickr.com/people/135399508@N05/
Le'La Blogger Flickr: www.flickr.com/groups/14816315@N23/
Blog: miamilulela.wixsite.com/lelastore
Main Store: maps.secondlife.com/secondlife/LeLa%20Island/145/80/2233
Market Place: marketplace.secondlife.com/stores/170498
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Wildlife Control vehicle in Park Slope Brooklyn. newyorkdailyphoto.blogspot.com/2007/03/wildlife-control.html
Just a few minutes after separation from its Vega launcher on 23 June, the Sentinel-2A satellite automatically activated its solar array and transmitter, oriented itself into an Earth-pointing mode, and started transmitting 'telemetry' – onboard status signals – to the ground.
Receipt of these first crucial data from the new mission marked the start of an intensive phase in the Main Control Room at ESOC, ESA's operations centre, Darmstadt, Germany.
For the next several days, an extended team of spacecraft engineers, systems specialists, flight dynamics experts and ground station technicians will shepherd Sentinel-2A through 'LEOP' – the launch and early orbit phase.
They will work around the clock to activate crucial systems and ensure the spacecraft’s health in the extreme environment of space. For Sentinel-2A, these will include release of the payload shutter lock, first transition to the nominal mode of operations and the first orbital manoeuvre – a burn using the spacecraft's thrusters – that is planned around 51 hours into the mission.
LEOP is also the first time that the mission operations team gets to work with the satellite in the real environment of space; despite the best preparations, unforeseen problems and challenges often arise that must be solved in real time by teams working and thinking on their feet.
As Europe's centre of excellence for satellite operation, ESOC is home to the engineering teams that control spacecraft in orbit, manage our global tracking station network, and design and build the systems on the ground that support missions in space. Since 1967, over 100 satellites belonging to ESA and its partners have been successfully flown from Darmstadt, Germany.
More about ESA spacecraft operations
Credit: ESA/T. Ormston - CC BY-SA IGO 3.0
Just like the controls i my like the up button sometimes work's the down/close button has a mind of its own and the stop button is pointless as it never works.
So this was our service workshop or one of them and the cause for the place shutting down due to a structurally unsafe floor that could have seen it ironically fall onto our accident repair centre below.
Those boots were killing me by the end of the day. i don't think it was a good idea doing the mile walk into town and back
"When it comes to controlling human beings, there is no better instrument than lies. Because, you see, humans live by beliefs, and beliefs can be manipulated." - Michael Ende
New to Crosville Wales in 04/1990 along with sister CXV12, G452JCC and following on from CXV6-9, G436-9JCC that were delivered in 01/1990, this B10M is seen here on layover on Elizabeth Bridge, Victoria, London, in late 05/1992, prior to working back north to Chester. The imposing back drop of London Victoria Coach Station can be seen behind. This B10M would depart from there. The National Express services of Crosville Wales passed to Amberline in 1991 when both were under British Bus plc control with Amberline at the time being under Crosville Wales management I believe. Amberline would later become known as Express Travel. I think I'm correct in saying that.
The camera being a Praktica MTL3 with the film being the excellent 'Fujichrome' colourslide.
I would request, as with all my photos, that they are not copied or downloaded in any way, shape or form. © Peter Steel 1992.
Formerly a beautiful 1920's skylit control room, unfortunately now only half of it left and the skylight is blocked
"Control Tower"
Coyote Buttes, Arizona, USA
1202-1-4249
Coyote Buttes is notorious for "The Wave," but I find the "other" section of Coyote Buttes far more satisfying. This formation, called "Control Tower," is found on top of the Vermillion Cliffs in Coyote Buttes South in the Cottonwood Cove section. This natural masterpiece never ceases to amaze me!
A * P * C
CLAVANDO LOS MUROS
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Si la Calle esta Cruda La Plaga y Animal Power Crew te la Sazonan*
Overall view of activity in the Mission Operations Control Room in the Mission Control Center at the Manned Spacecraft Center during the launch of the unmanned earth-orbital Apollo 4 space mission. The flight controllers are watching the Saturn V staging on the televison monitor. Apollo 4 was the first launch of the Saturn V space vehicle.
Credit: NASA
Image Number: S67-50312
Date: November 9, 1967
Yesterday I took my first trip since owning a DSLR to the USS Midway. The ship is now a museum in the San Diego Bay, but was most recently active in the early 90s during Operation Desert Storm. This is a shot of a desk at the back of the tactical control room where the critical strategic decisions were made.
It was pretty challenging getting a bracket off without people walking through, the lighting is pretty limited in the interior of the ship, and I didn't have a tripod. The ship does have some really cool scenes through, and they are ideal for HDR. Next time I go I'll make sure it's not a holiday weekend.
This is a 3 exposure HDR tone mapped in Photomatix. I set my camera on a radar machine and pointed towards the desk at the back of the room, it was the only area in the room that I could get 20 seconds worth of exposure without someone walking through the shot.
The building that bears the Galileo control center was finished and handed over just one month ago. It was planned by the same architect team as the German Chancellery
Final high-speed setup, Olympus E-PL3 replaced by the Nikon D300 camera.
Why this replacement:
Better pictures, less noise.
ISO low to 100 better for longer camera capture time with internal shutter open.
Better acces to the memory card and the battery for exchanging.
Specs:
Nikon D300 camera in manual mode.
DIY adaptor to mount the Nikor AF105/2.8D macro lens.
Nikkor AF105/2.8D macro lens.
A DIY external shutter housing has the super fast Uniblitz VS14s shutter.
The shutter-lag is only 3.5ms, the opening time is 4.5 ms or 1/220 sec.
A DIY HT module control the 65V to the external shutter. The high power current for the external shutter is supplied by a flash capacitor 740 uF/330V.
Detector depth accuracy: 0.25mm at 310mm from object to front macro lens, frame = 60mm.
The 2 flashes are SB-80-DX types (or SB800). They works in TTL mode and are controlled via my hardware modules. Via the keyboard all settings can be changed and stored into a flash eeprom. So the flashes are all controlled from the controller and no more individual on the flashes itself.
The hardware core is a FPGA module from terasic, the DE0-nano. Very powerfull and small. All high-speed timings are controlled from this board. More then 81 I/O pins are used.
All modules in this unit can be reprogrammed via an USB connection.
For high-speed in-flight insects capture I use a laser system to know when an insects come in focus. This laser system is very accurate and quickly. In just 50 us I know when an insects stay infocus. Thereafter the high-speed external shutter is activated into 3.5 ms to take a picture. Even super fast flying insects at macro closeup stay in the picture frame with this ultra short detecton delay and shutter-lag.
The detector has a 128 pixel line array to readout the laserbeam. A distance change of only 0.25 mm can be seen by the line array. Each pixel has an 8 bit value. The value, the position and the noise can be set into the parameters for optimal picture capture. Even super small insects of 0.5mm can be detected at 500 mm from the macro lens and this into the super short time of only 50 us (1/20.000 sec)
I use a power-pack module to powerup all the hardware. The racing pack module gives 7.5V @ 4200 mA. Multiple DC/DC convertors converts this to the correct voltage with high efficience. More then 10 hours autonomy is provided.
List of frame versus distance (object to frontside macro lens):
Free Distance ...... Frame
410 mm ............... 80 mm
360 mm ............... 70 mm
310 mm ............... 60 mm . . . Detector depth accuracy 0.25mm
280 mm ............... 50 mm
235 mm ............... 45 mm
215 mm ............... 40 mm
190 mm ............... 35 mm
165 mm ............... 30 mm
147 mm ............... 25 mm
125 mm ............... 20 mm
112 mm ............... 17 mm
Extra added the ringflash Nikon SB29s. The flash is also drived via TTL mode to setup the correct power. I've connected this extra flash parallel to the flash2 SB-80-DX flash with the same power control due to the limited outputs of the central controller. If need is can also set this SB29s flash manual into 1/4 power or 1/32 power. I use 2 diodes in series to connect the flashes parallel. This works perfect. I've added this ringflash due the high flash power needed to works in full sunlight and much better light distribution in closeups.
Functioning of the optical detector.
The detector gives a signal when an object arrives at the correct focus area. The beam of a green laser pointer is reflected by the moving object (insect) and is received on a 128 pixel line array detector. According to the distance of the object the laserbeam give a signal on a group pixels on the linearray between 1 and 128. One pixel position corresponds to 0.25 mm distance change in depht. Setting a detector range on the controller can change the focus zone and the focus distance. Ambient light is calculated over the full 128 pixel line array during a scan, the detector signal show a peak value when the object is in the focus range. The normal working distance from the front side of the macro lens to the object in focus change with the macro lens ratio. The normal range with the external fast shutter system is from 112mm to 410mm. The integration time to measure the light vary from 50us to any desired value, practical limited to 850 us. The most use scan time is 50 us at daytime.
This detector work very fast, only 50 us or 20.000 samples/sec. A digital filter algorithme can be added to avoid unwanted triggers. This digital filter can be set from 1 to 8 samples before a valid trigger is assigned. This is especially important during the day when there is plenty of sunshine. Once the detector signal validated the external super-fast shutter is activated. This take only 3.5ms to full open time.
Optical detector versus cross-beam interruption:
Cross-beam interruption work also very accurate but there is a limiet on the acces to the insects. No other objects may interrupt the beam and the position of the laser-detectors are in front of the insects. Shy insects are less likely to fly here between and there are a lot of limits from unwanted objects between laser and object. My optical detector can even look inside a hole to capture the insects. The full distance between front of the lens and the insects is free with the optical detector. So I can record many more species.
Another advantage with the optical line array is the dynamic focus control without adjusting again the macro lens. Just change the "FOCUS" value ( normal set at 64, the centre of the 128 pixel array) to set the detector point further or closer. The "DOF" value set the detector tolerance (depht) and the "NOISE" parameter set the sensivity, or signal above the ambient value valid for detection. At night to detect super small insects I can increase the integration time given a super boost for the sensivity to detect black and small in-flight insects. Insects of 0.5mm body are suitable for detection.
Total weight unit : 6.6 kg inclusief all batteries.