Can 3dB amplifier compensate for 3dB loss in filter at 1420MHz?
If I use a filter at 1420 MHz that causes 3 dB loss and in amplifier beforehand that gives 3dB
Read moreAndrew Thornett, Lichfield, England, M6THO, andrew (at) thornett (dot) net
If I use a filter at 1420 MHz that causes 3 dB loss and in amplifier beforehand that gives 3dB
Read moreA long Yagi antenna tuned for 1430 MHz can still work at 1420 MHz, but with reduced efficiency and some detuning effects.
Read moreTV satellite frequencies in the USA vary depending on the satellite, provider, and whether the service is free-to-air (FTA) or
Read moreThe amount of sky covered by a radio telescope is typically referred to as its field of view (FoV). Key
Read moreThese are the results so far of my mapping exercise with the 1.5m parabolic solar cooker dish (LRO-H2): Powerpoint Presentation
Read moreThis version of the map has been relabelled, due to errors in the previous labelling system.
Read morehttps://www.astronomy.me.uk/wp-content/uploads/2025/05/astro-radio-repo.zip https://www.astronomy.me.uk/wp-content/uploads/2025/05/astro-radio-setup.zip
Read moreThe waveguide in the centre of antennae sich as cantennae are made of a copper quarter wave monopole. The cheapest
Read moreThis graph compares last week’s results with those found at a professional observatory in Finland (latter is neutron flux but
Read moreSee Powerpoint below: https://www.astronomy.me.uk/wp-content/uploads/2025/05/Comparison-data-collection-peaks-on-LRO-H2-and-LRO-H3-23-240525.pptx
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