SDR predecessor

[Mauno Ritola]

Mark Connelly's sample of RF recording by video tape recorder (IRCA list):

I have converted the two best spectrum capture videotapes (1986, 1991)
to Perseus files and then dubbed off a few ID's with Total Recorder.
This is what I have so far:

http://chowdanet.com/markc/dx_audio/id1_19860501_0500e.mp3

ID's 5 a.m. EDT / 0900 UTC, 1 MAY 1986 from metro-Providence, RI (Craig
Healy VCR DX spectrum capture tape): WWKB-1520 NY, WTOP-1500 DC,
WPTR-1540 NY, WQXR-1560 NY, WCAU-1210 PA, WRCP-1290 RI, WHIM-1110 RI,
WHJJ-920 RI, WHN-1050 NY, WINS-1010 NY.

===

http://chowdanet.com/markc/dx_audio/id1_19910402_0500e.mp3

ID's 5 a.m. EST / 1000 UTC, 2 APR 1991 from Billerica, MA (Mark
Connelly VCR DX spectrum capture tape): WHDH-850 MA, WCAP-980 MA,
WBZ-1030 MA, WADN-1120 MA, WNEW-1130 NY, WMJX-1150 MA (ID for FM),
WKOX-1200 MA, WEZE-1260 MA, WJDA-1300 MA, WRCA-1330 MA, WFEA-1370 NH,
WLLH-1400 MA, WXKS-1430 MA, WTOP-1500 DC, WSSH-1510 MA, WQXR-1560 NY.