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Abstract:
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The measurements of the 10.7 cm solar radio flux (F10.7) are ongoing measurements made at 10.7 cm wavelength since 1947 of the slowly varying component of solar radio emission. Over the sixty+ years of operation so far, applications of the data have increased in number and expanded in range. While there are no plans to discontinue these measurements, it is timely to consider what solar observations we will need for the next 60 years. Although it is impossible at this point to anticipate the full range of possible future uses for these data, on the basis of experience so far, any new instrument should be capable of providing precise, absolutely calibrated measurements on multiple wavelengths, preferably with a capability to measure a substantial part of the S-component spectrum. In addition it should measure burst emissions with high time resolution over a wide range of wavelengths. On this basis, we have started development of a Next Generation Solar Flux Monitor, which will provide such data. In this presentation we will discuss the evolution of the specification for this instrument and outline the current design prototype.
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