Looking at the cars from the 1930's up to the 1990s it is clear just how much the technology of the car has evolved. In terms of efficiency, safety and reliability I think it is fair to say that a car from the 1970s would not be able match its modern counterpart.
I don't think we could say the same for our radio transceivers. A Local amateur who I was chatting to over the weekend told me how he had recently purchased a Yaesu FT101ZD from the 1980's. The rig had been advertised as faulty but after getting it home and cleaning it up it seems to be operating well. I popped onto HF to give him a report and I can honestly say that the transmitted signal is as good as any modern gear. Whilst receiver technology has advanced, particularly with the development of SDR rigs it seems that as far as transmitted signals are concerned the old gear can still hold its own!
On the radio front this afternoon heard some EA stations on 10 metres although they were rather weak. It does look though as if the sporadic E season has arrived and it will be worth takinga regular tune around on 10 and 6. Operating on 10 metres does mean switching off the shack computers however as one of then generates around S4 of noise on 10. Thats going to make operating PSK31 on 10 a bit of a challenge!