Pioneer 10 Still Beats But No Lock

OUTER PLANETS

Bolted on to the side of Pioneer 10 bus is a greeting card from Earth showing the directions to Sol using 14 pulsars as signposts.

Desktop available.

800X600 1024X768

640x480 1280X1024

Pasadena - Feb 25, 2003
At a distance of 12.21 billion km from Earth, Pioneer 10 is one of the most distant objects of humanity over 11 light hours out. But with signal strength below what the Deep Space Network can lock on to, all official attempts to contact Pioneer 10 will soon cease.

earlier related report
Pasadena - Feb 25, 2003
Distance from Sun : 82.19 AU Speed relative to the Sun: 12.224 km/sec (27,345 mph) Distance from Earth: 12.21 billion kilometers (7.59 billion miles) (Round-trip Light Time 3D 22 hours 38 minutes)

The Pioneer 10 signal was detected on 23 January 2003, but because of limited link time (due to a high-power transmitter trip) no telemetry was received. During uplink on 22 January 2003, the high-power transmitter tripped off.

A second high-power transmission was limited to a short time at the end of the track. A GTT-off command was radiated. During downlink on 23 January 2003, the signal was found but there was no lockon to the subcarrier. (Roundtrip Light Time was 22 hours 35 minutes).

On 5 December 2002, there was a Pioneer 10 contact. The Deep Space Station (DSS) near Madrid (DSS-63) found the signal but could not lock onto the receiver, and so no telemetry was received.

The signal level was just under the threshold value. The uplink from DSS-14 at Goldstone, sent 4 December 2002, at a power level of 325 kw, confirmed that the spacecraft signal is still there (Round Trip Light Time 3D 22 hours 24 minutes).

Project Phoenix also picked up the signal at Arecibo in Puerto Rico.

Memory Foam Mattress Review

SPACE MEDIA NETWORK PROMOTIONS
Solar Energy Solutions
Tempur-Pedic Mattress Comparison ...

Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News

OUTER PLANETS

Do Pluto's Other Children Hide In The Shadow Of Charon

Boulder - Feb 25, 2003
Pluto has only one known satellite - Charon - discovered in 1978 by American astronomer James Christy. At slightly more than half the diameter of Pluto, Charon's 1,200-kilometer diameter makes it the undisputed "relative size" king of solar system satellites.

SPACE TRAVEL ESA Fully Salvages Artemis Mission Artemis Finally Reaches Operational Orbit Lord Sainsbury Launches Three-Year Strategy For UK Space Artemis Nearly There	MARSDAILY Mars Odyssey Points To Melting Snow As Cause Of Gullies Early Mars: Warm Enough to Melt Water? Los Alamos Makes First Map Of Ice On Mars The Martian Polar Caps Are Almost Entirely Water Ice
LAUNCH PAD Europe and Russia Do Soyuz Deal At Last Vandenberg Launch Facility Gets Facelift Flight 159: The Last Ariane 4 ILS Investigation Panel Releases Results of Initial Review	EARTH OBSERVATION Satellite Photographs Reveal Ancient Road System NASA Goes On-Line With Extra-Tropical Storm Tracks New Images from Space Spotlight Asian, Australian Pollution Norway Buys $15 Million Worth of RADARSAT-2 Data from MDA
OUTER PLANETS Do Pluto's Other Children Hide In The Shadow Of Charon Pioneer 10 Still Beats But No Lock Planetary Scientists Applaud President's FY04 Budget Proposal New Moons Found Around Neptune	STELLAR CHEMISTRY Short And Long Gamma-Ray Bursts Different To The Core Observing The Greenhouse Effect Across The Solar System Scientists Catch Their First Elusive "Dark" Gamma-Ray Burst Biggest Zoom Lens In Space Extends Hubble's Reach
MOON DAILY Moon's Early History May Have Been Interrupted By Big Burp Memories Of Orange Rock From The Lunar Age Taos Goes Lunar With International Talkfest Moon and Earth Formed out of Identical Material	GPS NEWS GPS Jamming No Silver Bullet For Potential Adversaries Fastrax Powers Discreet GPS Tracking Qualcomm Announces More Than 10 Million Subscribers Served by gpsOne Fastrax Upgrades GPS Firmware

The content herein, unless otherwise known to be public domain, are Copyright 1995-2006 - SpaceDaily.AFP and UPI Wire Stories are copyright Agence France-Presse and United Press International. ESA PortalReports are copyright European Space Agency. All NASA sourced material is public domain. Additionalcopyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement,agreement or approval of any opinions, statements or information provided by SpaceDaily on any Web page published or hosted by SpaceDaily. Privacy Statement