Over in the SDR-Console forum where I subsequently posted my observation Simon said he was aware that the transmit issue was still present in v25 so it’s interesting that you don’t experience it.
I find that the receive central spur suppression is poor with the Lime compared to my Funcube dongle despite having adjusted the levels as recommended. I’ve not tried my Pluto on SDR-Console as it’s built into a Langstone along with a Pi but on the next rainy day I might see what it’s like. I’ll look into the Lime transmit a bit more closely than I’ve done previously.
73 Chris G4SDG