Nooelec mesh antenna tuned for 1420MHz
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I recently received one of these from Amazon – at first sight it looked like it was the same as the same company’s 1.7GHz GOES mesh dish, but with larger…
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Sorting humidity problem with computer under 1420MHz array 29/10/23
Terrible humidity problem – I had mounted receiver on piece of wooden board and fungus growing on it and each morning the box is dripping inside! So, today, I have…
1420Mhz data up until 29.10.2023
Collected using Ptarmigan array Processed using ezRA suite Plots below – data so far covers 2 data points – both azimuth 180, elevation 90 degrees (pointed towards Zenith) and elevation…
Dimensions of Ptarmigan Triffid Array
Whole array = 86 x 86cm in size 4 x 4 pattern of dipole aerials Each dipole = 97mm in length
Installing Ptarmigan Triffid array on new wooden mount to allow changes in elevation/altitude for radio observations at 1420.405MHz (hydrogen line)
I have now installed the 86 x 86cm military array on my new wooden mount and pointed it south Andy
Effect of retuning software defined radio to 1420.405MHz on output of ezRA suite software 22-23/10/2023
The following link will download the SDRSharp IFAverage data set from last 24 hours – resulting from retuning the SDR to 1420.405MHz – not quite sure why plots from ezRA…
15 day drift scan Zenith (Cygnus complex) 1420MHz
Using Ptarmigan Triffid array. 15 day drift scan. Andy
Questions I am keen to obtain answers to in order to move forward with my 1420MHz observing of hydrogen by radio in Milky Way 16/10/2023
The following PDF file lists questions I am keen to obtain answers to – please feel free to suggest answers in the comment box. Andy http://astronomy.me.uk/wp-content/uploads/2023/10/Outstanding-Questions-re-1420MHz-observing-161023.pdf
Video of changing 1420MHz plot over several days drift scan 16/10/2023
This is not a great video – but is my first attempt and shows changes in the plot with time. The telescope was pointed at the Zenith (Cygnus Complex area…
Making an image intensified eyepiece from old generation 1 image intensifier tubes (originally published in 2009)
The document below was originally published in 2009 on www.imageintensifer.org.uk – a website that is no longer extant – note any current version of that website name is not related…