Yes. In fact, some of the most advanced radio and optical systems deliberately use surfaces that are not simple parabolas. Some examples: 1. Spherical reflectors A sphere is easier to…
(As yet unbuilt. I am encouraged by Jason Burnfield’s folding 3m dish currently under construction. I do not have room for permanent mounting of a dish of this size but…
Three talks – drafts to date. https://files.ad.thornett.net/astronet/SARA-Eastern-Talk-Review-BAA-Practical-RA-Series-180626.pptx https://files.ad.thornett.net/astronet/SARA-Eastern-Talk-H-Line-LRO-190626.pptx https://files.ad.thornett.net/astronet/SARA-Eastern-Talk-Muons-190626.pptx
I varied position of focus on stalk holding feed to get maximum signal before obtaining this video.
Here’s what LAB survey says.
` To determine the integrity of an SD card, test it by completely filling its storage with data and verifying it. This process confirms the card’s true capacity, exposes fake…
For the UKRAA PicoMuon, a 16 GB or 32 GB microSD card is generally the best choice. In practice, a 16 GB card is more than adequate. PicoMuon CSV event…
A good way to check whether an SD card is genuinely the capacity printed on the label is to perform a full write-and-read verification test. Fake cards often report a…
Yes, it does make sense to ask, but the answer depends on what you mean by “size.” A photon is the quantum of the electromagnetic field. In the current understanding…
For Sony A-mount full-frame (Minolta/Sony Alpha DSLR era) manual-focus zooms, the honest situation is a bit unusual: 👉 There are almost no native “manual-focus-only” full-frame zooms in A-mount. Most A-mount…
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