9 planes out of action in Pskov alone tells us that the jamming isn't working. You're arguing with results. Perun is right and you're just desperately cheerleading Russia: https://www.youtube.com/watch?v=lqcHX9Hqvrs

What's objectively true: Ukraine, a country with barely an air force vs Russia, keeps the air space contested. And a country with no navy has bottled up the Russian navy in Novorossisk, sunk Russia's flagship, attacked a Russian tanker and cruiser in port and shown Russia's blockade of Ukrainian grain export ships to be an unenforceable dead letter.