Any advice around clanker friendly RF simulation tools nostr:nprofile1qqsx8lnrrrw9skpulctgzruxm5y7rzlaw64tcf9qpqww9pt0xvzsfmgpz4mhxue69uhkzunrdp5hvefwwccxctnfduhszxnhwden5te0wpuhyctdd9jzuenfv96x5ctx9e3k7mf0p93kps?