My first was an Advantest R3131a with TG. Guy had two, one with and one without TG. He wanted $1500 on Craigslist and I offered
$750. I hounded him for a year and he finally took my offer. If you have something like Craigslist locally, try low bids even if they get all pissy, it sets their low boundary and I can't understand why they get upset. Isn't a low bid better than no bid?
The next three I bought were HP. HP 8568B with preselector. 8566B and another 8568B. Yes it is huge but it is very accurate for what I need. If you keep looking or maybe advertising on your local craigslist analogue, and on here in the WTB section, maybe you'll find one. Also look at the 8568A models because many have the B upgrades installed and people never put the labels on. The HP units are easy to fix and if they get to the point where you can't fix it, there are so many RF goodies in them...
You can also do a lot with a dongle as well as an SDR.
There is just one Craiglist-like that matters in Germany, and even this one was bought by fleabay, compared with the torrent of stuff that you've got in the States, here is almost nothing of interest and when it is, of course everybody jumps on it.
Compare the HP 8568B front on felabay, one single guy in the whole EU, in Belgium, costing 2000EUR and ten+ in the states, not to speak about Canada, starting form 400 something USD, the difference, like in the economic and military power, is so big that it's not even funny to compare:
https://www.ebay.de/sch/i.html?_from=R40&_sacat=0&_nkw=HP%208568B&rt=nc&LH_PrefLoc=3&_trksid=p2045573.m1684I can of course see some psychedelic waterfall and curves with the RTL sticks, or I can even load the a SA app in my phone and whistle in the mike, same useless waste of electricity and oxygen. Strangely enough, usually the people suggesting this lame workarounds usually got one of these POS some months ago and then promptly throw them in a drawer where they're collecting dust.
It's practically the same as in my LA Wanted insert Buy/Sell, everybody says the LA I want (and lost a bid for it here in DE) is some kind of obsolete low memory useless POS, then it admits it actually has one for many years, uses it currently, and no it's not for sale thank you so much, same as with the SA advice, I got suggestions for Chinese LA "exquisite junk de la merde" and because some German company put a label on it is costing in excess of 1000EUR and doing same as the 79EUR thing form Aliexpress, and doesn't hold a candle to the 12+ yrs old US design. Same as with the SA and other test instruments.
SAs are big deal, but LAs should have been a solved thema by now, how can anybody sell this disgusting crap is inconceivable to me.
Well then, maybe the sun will rise in my valley sometime, so Merry Christmas or your happy favorite winter solstice celebrations.