NASA-LLIS-1335
Lessons Learned – Ensure Test Facilities Can Accommodate "Test-as-You-Fly" (2002)
active, Most Current
| Organization: | NASA |
| Publication Date: | 31 March 2003 |
| Status: | active |
| Page Count: | 3 |
scope:
Abstract:
The Mars Exploration Rover UHF Transceiver failed to attain carrier lock in duplex mode during flight qualification testing. The cause was finally traced to RF reflections into the UHF receiver from the non-anechoic walls of the test chamber.
Ensure that primary test facilities are capable of the full range of tests that the facility may reasonably be expected to support. Ensure that test facilities for duplex RF testing are equipped with appropriate ferrite anechoic cones.
Document History
NASA-LLIS-1335
March 31, 2003
Lessons Learned – Ensure Test Facilities Can Accommodate "Test-as-You-Fly" (2002)
Abstract:
The Mars Exploration Rover UHF Transceiver failed to attain carrier lock in duplex mode during flight qualification testing. The cause was finally traced to RF reflections into the UHF...
References
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