I can back Darren up on this, sprogs and sproggies are common slang words
used in Amateur Radio and the Radio/TV industries in the UK to mean
spurrious emissions.
So, at a typical Microwave Roundtable you might hear someone say "Look at
the sproggies on that!" when connecting the output of an oscillator or
amplifier to a spectrum analyser.
It can also mean a small child or baby, as in "I see she has brought her
sprogs with her" it was also used in the RAF as a description of a new
recruit, possibly putting 'frog spawn' into one word, as the recruit was
often said to be 'as green as a frog' as they didn't know much.
What frequencies are these emissions on specifically? As I'll get out my
portable spectrum analyser and go and look for them on my KX3 if I know
where to look.
Dave (G0DJA)
----- Original Message -----
From: "Darren Long" <[email protected]>
To: "K8JHR" <[email protected]>; <[email protected]>
Sent: Wednesday, June 25, 2014 12:44 AM
Subject: Re: [Elecraft] KX3 - UHF emissions
Well, I've always thought of sproggies as spurious emissions, i.e.
external to
the source, whereas I've thought of birdies as internal interference,
perhaps
like tinitus.
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