How many pF in 1nF capacitor?
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There are 1,000 picofarads (pF) in 1 nanofarad (nF).• 1 nF = 1,000 pF• 1 pF = 0.001 nFThis is a straightforward conversion based on the metric system where the…
Airspy Software-defined radios and radio astronomy
There **are numerous online references linking AirSpy software-defined radios (SDRs) with software-defined radio use in radio astronomy, both in project guides and community discussions about detecting astronomical signals. Here are…
Can a radio telescope parabolic mirror be made with number hexagons not electrically connected?
Yes — a radio telescope reflector can be made from separate hexagonal panels that are not electrically bonded together, provided certain conditions are met. This is actually very common in…
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VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
Live observation from LRO-SIDS5 on 1/3/2026 @ 20:19
This is a live observation from my new 134cm VLF/SIDs aerial which directly feeds into the computer soundcard.
My presentation for SARA RTOP Meeting 1/3/2026
I asked for help on whether my design and dimensions of the single-cavity hydrogen-line Cavity Filter are correct. https://www.astronomy.me.uk/wp-content/uploads/2026/03/SARA-RTOP-My-Presentation-010326.pdf
SARA RTOP Meeting Invite and Link for 1/3/2026, and monthly meeting links
SARA Radio Telescope Observation PartySARA is inviting you to a scheduled Zoom meeting. Topic: Radio Telescope Observation Party (RTOP)Time: Mar 1, 2026 02:00 PM Eastern Time (US and Canada) Every…
How to make a simple cavity filter for 1420MHz
Designing a simple cavity filter for 1420 MHz (the neutral hydrogen line at 1420.405 MHz) is very practical for radio astronomy front ends, especially to reduce out-of-band interference before amplification.…
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VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
How can I set up an observatory level system for saving VLF images on my MiniPC and displaying them through a searchable database on my website?
Setting up MySQL on your own computer is generally straightforward, especially if you’re comfortable installing typical desktop software. The difficulty mainly depends on your operating system and whether you want…
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VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
SID Monitoring at LRO 27/2/2026
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VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
Assessment of using an USB splitter to power my Raspberry PI at same time as SuperSID?
When querying ChatGPT on the viability of connecting an USB splitter cable from a DC-DC 12V-5V converter to supply a Raspberry Pi ZERO 2W and SuperSID preamp, ChatGPT gave this…