In the middle of the pond, with no surface threat worth a damn, wondering why they would not have emcon in force. What would they be radiating for? just curious. As soon as they radiate on the topsail etc, they are able to be identified and triangulated, and even in a presumed low threat environment, they would not have a pressing reason to break emcon. Unless things have changed since the days we did that sort of stuff. I can imagine they would radiate the palm frond intermittently, at least in sector scans, but beyond that, what was the benefit to them, unless they knew that there was a specific threat. The story of the prior days events may give a reason for that, but golly, anything beyond a random search transmission would be asking for a bad day. May have some bias on that, my recollection from chasing boomers at the end of the cold war was the USSR boat drivers were pretty good, their rides were noisy, and the skimmers were happy to track us with their weapons at all times, they seemed quite competent then, prone to sunbathing on the fantail.
The whole point of the Russians putting a floating S300 battery with its radars & etc in that location is to emit like crazy, and shoot down everything they can reach over Ukraine or coming out of Ukraine. The Moskva gave the Russians coverage that they could not get from any other naval asset*, or from any available (non-threatened) shore location. The downside of being an emitter is that triangulation is a thing. And then somebody gets a precise ID and more accurate location and bad things happen.
* The other Russian vessels have much shorter range anti-air missile systems and associated radars. There is basically now a very significant hole in the Russian coverage that I am sure is receiving attention by all sorts of people.