Mast Camera Systems

mast camera systems

  • nuts of forest trees (as beechnuts and acorns) accumulated on the ground

  • (in the US Navy) A session of court presided over by the captain of a ship, esp. to hear cases of minor offenses

  • nuts of forest trees used as feed for swine

  • A similar structure on land, esp. a flagpole or a television or radio transmitter

  • a vertical spar for supporting sails

  • A tall upright post, spar, or other structure on a ship or boat, in sailing vessels generally carrying a sail or sails

mast camera systems - Ayrstone AyrMesh

Ayrstone AyrMesh Hub

Ayrstone AyrMesh Hub

The AyrMesh Hub is the "building block" for the AyrMesh network. The first AyrMesh Hub (called the "Gateway") is connected to your existing high-speed internet connection (router) and distributes it via Wi-Fi up to half a mile away. Additional AyrMesh Hubs (called "Remotes") can then be deployed as to extend your network even further. All AyrMesh Hubs are automatically self-configuring using information from the AyrMesh Portal. If you are ordering the AyrMesh Hub as a Gateway (the first AyrMesh Hub, connected to your router) or you need to mount it further from your power outlet, make sure you order an Ethernet cable (or make your own Ethernet cable) long enough to reach from where it is mounted to the power supply. AVAILABLE IN THE U.S. AND CANADA ONLY - WE CANNOT SHIP TO P.O. BOXES

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Pathfinder Panorama

Pathfinder Panorama

Date: 5 Jul 1997

An enhanced version of the famous Mars Pathfinder photo of the lander and Sojourner rover. This browse version shows only part of the 360-degree panorama.

This is a geometrically-improved, color-enhanced version of the 360-degree gallery pan, the first contiguous, uniform panorama taken by the Imager for Mars (IMP) over the course of Sols 8, 9, and 10. Different regions were imaged at different times over the three Martian days to acquire consistent lighting and shadow conditions for all areas of the panorama.

In this version of the panorama, much of the discontinuity that was due to parallax has been corrected, particularly along the lower tiers of the mosaic containing the Lander features. Distortion due to a 2.5 degree tilt in the IMP camera mast has been removed.

The IMP is a stereo imaging system that, in its fully deployed configuration, stands 1.8 m above the Martian surface, and has a resolution of 2 mm at a range of 2 m. The IMP has color capability provided by 24 selectable filters -- twelve filters per "eye." Its red, green and blue filters were used to take this panorama.

The three color images were first digitally balanced according to the transmittance capabilities of a specific high-definition TV device at JPL, and then enhanced via changes to saturation and intensity while retaining the hue. A threshold was applied to avoid changes to the sky. An MTF filter was applied to sharpen feature edges.

At left is a Lander petal and a metallic mast which is a portion of the low-gain antenna. On the horizon the double "Twin Peaks" are visible, about 1-2 km away. The rock "Couch" is the dark, curved rock at right of Twin Peaks. Another Lander petal is at left-center, showing the fully deployed forward ramp at far left, and rear ramp at right, which rover Sojourner used to descend to the surface of Mars on July 5. Immediately to the left of the rear ramp is the rock "Barnacle Bill", which scientists found to be andesitic, possibly indicating that it is a volcanic rock (a true andesite) or a physical mixture of particles. Just beyond Barnacle Bill, rover tracks lead to Sojourner, shown using its Alpha Proton X-Ray Spectrometer (APXS) instrument to study the large rock "Yogi." Yogi, low in quartz content, appears to be more primitive than Barnacle Bill, and appears more like the common basalts found on Earth.

The tracks and circular pattern in the soil leading up to Yogi were part of Sojourner's soil mechanics experiments, in which varying amounts of pressure were applied to the wheels in order to determine physical properties of the soil. During its traverse to Yogi the rover stirred the soil and exposed material from several centimeters in depth. During one of the turns to deploy Sojourner's Alpha Proton X-Ray Spectrometer, the wheels dug particularly deep and exposed white material. Spectra of this white material show it is virtually identical to the rock "Scooby Doo," and such white material may underlie much of the site. Deflated airbags are visible at the perimeter of all three Lander petals.

Credit: NASA

Holme Moss Mast HDR

Holme Moss Mast HDR

Another HDR shot of the Radio/TV Mast at Holme Moss, This shot is a little closer than the previous posting, and shows the mast in good detail (Best Viewed Large).

It was quite a challenge to hold the camera still for this Handheld HDR shot as it was blowing quite a gale and the wind chill was rather extreme.

This photo is made up from 3jpgs with +1, -1 EV on each shot.

Here is a bit of Info about the mast:-

The base of the station is 1719 ft (524 m) above sea level and the mast another 750 ft (228 m) on top of that. This gives a maximum aerial height of 2467 ft (752 m) which is one of the highest in the UK. The mast weighs 140 tons and is held up by 5 sets of stay levels. It carries the FM radio signals for the BBC's national radio stations, Radio Leeds, Radio Sheffield, and Radio Manchester (formerly GMR). At 250 kW erp Holme Moss is one of the most powerful VHF transmitters in the country. An earlier mast at Holme Moss used to broadcast BBC television signals on the old 405 line VHF system before Emley Moor took over when the 625-line colour television UHF system began. It was the first main transmitter for the previous system in the north of England when it opened on 12 October 1951. For some time both the new and old masts stood side by side, until the old TV mast was finally demolished in 1985. Television signals from Holme Moss travelled much further than their intended service area. The Isle of Man and parts of the Irish Republic, mainly Dublin and Wicklow, were able to receive a signal from Holme Moss for some years. Both Emley Moor and Moorside Edge Transmitter can be seen from the site and they are ENE and NNW respectively.

mast camera systems

mast camera systems

High Quality New Furuno GP330B GPS/WAAS Sensor f/NMEA2000

A 6-Meter Cable With Nmea2000 Connector Is Supplied As Standard. Standard Features: High Accuracy, 14 Parallel Channel Receiver With Twelve Dedicated Gps Channels And Two Dedicated Waas Channels. Nmea2000 Certified Gps Antenna Sensor. Fast Start Up (1 Minute Cold Start Time-To-First-Fix). Position Updated Every Second. Unique "Pin-Enabled" Termination Resistor Allows Simple Nmea2000 Backbone Or Drop Wiring Configurations. Space-Saving Installation. Ideal Position-Fixing Sensor For Navnet?3D Series. Direct Connection To Any Furuno Drs. Power Requirements: Low Power Consumption - 12Vdc, 175Ma (Nmea2000 Len=3).

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