At 02:52 PM 10/4/06, DuBose Walt Civ AETC CONS/LGCA wrote: >In bygone days, S-9 was to be produced by a 100,000 microvolt >carrier at the receiver's antenna terminal with the RF gain control >at min (attenuation?) and AGC on. > >Also, the S unit was to equal 5.5 dB. > >Rockwell-Colling and a few other manufacturers of amateur radio >receivers in the late 1970's had their receiver signal strength >meters measured in dB or microvolts. The 12 o'clock position was >100,000 microvolts...I have forgotten what dB it was.
That 100,000 microvolts would seem to be off by a good 60 dB. The spec for the 75S3C/B is given in its manual as 100 uV at S9. <http://www.collinsradio.org/75S-3B-C-_11-75_-Sec3_4_5.pdf> 73, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED] Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW Reflector : http://groups.yahoo.com/group/themixwgroup/ DigiPol: http://groups.yahoo.com/group/Digipol (band plan policy discussion) Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/digitalradio/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
