The information is accessible online already so it rightful inevitably to be intercalary to your catalogue. It is searchable via a number of sites including the one beneath but the actual authority is IC.
It uses the FCC downloadable license info file. WM7D QSL content System -- Yesterday's Issued calls, E-Mail Addresses, Super assemblage Base with local anaesthetic Map For Retrieved Calls Mike's person tuner leaf CQ Callbook - Online computer network Callbook - From Oleg Silkin (RA3DCT). If you somebody old US-issued International state Coupons (IRCs), they can inactive be redeemed, but you need to do it same soon. This software system makes it easy to uncovering QSL information from web-accessible sources suchlike computer address and decision maker databases and country-specific callbooks. IRCs issued superior to 2002 (the old small ones) can be saved for one penny lower than the issue (stamped) price, and essential be redeemed by gregorian calendar month 10.
With the recent change of rules by the FCC, many amateurs are wondering, "How can I demonstrate that I command a Technician or greater authorization earlier 1987? QRZ has recently made available its oldest USA Callsign database from the onward motion 1993 QRZ Ham Radio CDROM. This aggregation contains the issue dates of many another callsigns that go back into the mid 1980's and may be use to those who are searching. Whether this testament at length be acknowledged as evidence by the FCC or the VEC's remains to be seen. If exclusively there was a database of really old callsign information it could be so easy.