My case of what I expected to be forever unfulfilled love occurred during a visit to the Radio Society of Great Britain museum. John Crabbe, G3WFM, curator of the collection, powered up a brilliantly restored National HRO receiver and allowed me to take it for a spin. All it took was a...
The original National HRO was a 9-tube shortwave general coverage communications receiver manufactured by the National Radio Company of Malden, Massachusetts, USA.James Millen (amateur radio call sign W1HRX) in Massachusetts was in charge of the me...
test and the benefit/risk balance (clinical consequences of false positive and false negative). Typically, the optimal sensitivity and specificity (and so the threshold value) can be determined using a Receiver Operating Characteristic (ROC) curve based on experimental data. For example, after ...
[61]; such is the case of the assessment of the Belgian Radioactive Waste Management Policy [20], the Benin Poverty Reduction Strategy [20], the National Strategy for Sustainable Development of Costa Rica [30], the Project of Indicators for Sustainability of Boston [30], and the Iranian ...