Telemetry and proforma data links are both related to the transmission of data, but they serve different purposes and are used in distinct contexts.
Continue reading “An Elementary Difference Between Telemetry and Proforma”
SGT Larry Wade Duke, USMC
January 31, 1948 – March 10, 1970
Born in Summerville, Georgia, SGT Larry Duke was born on January 31, 1948. He was assigned to the 6th platoon, 1st Radio Battalion, III Marine Amphibious Force. His MOS/Specialty was 2571: Special Radio Operator.
SGT Duke was killed in Quang Nam Province, South Vietnam when the helicopter he was riding in crashed.
The location of SGT Duke’s name can be found on the Vietnam memorial wall on Panel W31, Line 103.
Continue reading “Remembering SGT Larry Wade Duke, USMC (Special Radio Operator) – KIA Vietnam”
Eugene Allen Hackman, born January 30, 1930
Continue reading “Honoring Eugene Allen Hackman, USMC, Radio Operator”
Even though the Adak Alaska AN/FRD-10A CDAA’s initial construction phase began in 1962, with the high-frequency direction finding equipment being installed in 1963 and the site becoming operational in December 1964, the tale of the Adak site for cryptologists originated in 1944. The following is a summary of the trip report that gives some details of the initial site visit. Note the poem at the end of the report.
Continue reading “Supplementary Radio Activity Adak Groundbreaking Activity, 1944 (Trip Report)”
In the realm of signal processing and digital audio, the sampling rate plays a crucial role in determining the fidelity of the reproduced signal. The Nyquist rate is a fundamental concept that governs the proper sampling of analog signals to avoid aliasing, a phenomenon that can lead to artifacts such as the infamous wagon wheel effect.
Continue reading “An Elementary Look at Nyquist Rate, Aliasing, and the Wagon Wheel Effect”
Frequency bandwidth and data rate are related concepts, but they refer to different aspects of a communication system.
Continue reading “The difference between Frequency Bandwidth and Data Rate”
Station HYPO 