Thanks for the comments. I agree it is rather complex.
Thanks Walt for reminding me of the UK licence constraint on having telephone contact. I had overlooked that important point, thinking it had been withdrawn with the consolidation of the 5MHz NOV into the body of the latest licence. My telephone numbers were given to Ofcom with my NOV, I have now re-informed Ofcom by E Mail.
I am particularly interested in inter G using NIVIS so the use of skimmers and the RBN network is currently not going to be the way forward.
The difficulty in using 5.260 where I often operate from home is that it needs tails on the aerial when portable to make it resonant. So.....
I have monitored 5.381.5 and I hear no traffic, there is a wall of data 5kHz up, just outside the top of the UK bandlet so 5.381.5 looks like a suitable location where I can send CW without re-tuning the aerial and without affecting other users..
Self spotting seems to be the only way to attract customers, sitting on a cold mountain top in the rain waiting for passing customers is not funny. Generally I do not like to self spot, there are sufficient tuners to establish contact and a spot on 40CW, 40SSB, 30CW, 20CW and 20SSB but this is not the case in the vast emptiness of 60m.
I can usually get a few frequent shack sloths to follow me from 40SSB to 60SSB (5.398.5) and then work up to 20 stations, but CW is another story. The low critical frequency has prevented many inter G contacts on 40m so few CW stations who could QSY to 60m. On my next SOTA I will try setting up on 5.381.5MHz CW and self spot using the mobile phone. Nothing ventured, nothing gained and fully licence compliant.
Thanks for your help.