KLOTH.NET - about radio and internet, DNS lookup, whois, antispam. WWW.KLOTH.NET, mostly about radio and communications (ITU frequency allocations table, Q-codes, Z-codes, maritime selcall, selcalling), software, internet, (dig, nslookup, whois, bad bots, anti-spam), link-collections about radio, solar, finance, internet, computers. Ralf Kloth, Ralf D. Kloth, DL4TA, Ludwigsburg, amateur radio, ham radio, amateurfunk, utility radio, ampr, ampr.org, radio communications, ITU frequency allocations table, AMS, MMS, maritime, aero, Q-codes, Z-codes, maritime selcall, selcalling, software, time, ntp sntp, internet DNS whois nslookup dig lookup traceroute ping, radio, solar, finance, internet, computers, 5.25 floppy disk copy data migration service, ICAO annex10 selcal