67 miles on 50w SSB

Discussion in 'VHF/UHF - 50Mhz and Beyond' started by KK4YWN, Nov 18, 2014.

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  1. WA8ZYT

    WA8ZYT Ham Member QRZ Page

    Here's the scale from my old Kenwood TS-700A with internal ARR preamp installed:

    S1-136 DBM
    S9-105 DBM or 1.3 microvolts
    10 over 9 -96
    20 over 9 -85
    40 over 9 -64
    Edge of Scale -55
    Needle Pegged -43 DBM

    As you can see, few of the "S units" are 6 DB on this particular radio.

    On my Kenwood 480 SAT, 6 meter band, a 50 micovolt signal is S-7, preamp off. The gold standard for S9 is 50 microvolts. Preamp adds 10 DB.
    Last edited: Dec 26, 2014
  2. K8JD

    K8JD Ham Member QRZ Page

    Good Start. My best DX when I was on VHF SB/CW seemed to be limited to about 500 miles, worked into WV and MO but during a VHF contest and was on CW.
    Not sure how far I managed on SSB. I ran about 90 W on 6M using 2 stacked Squalos, and 140 W on 2M with an 11 element 2M Yagi at 40 Ft.
    My limiting factor may have been the low antenna.
    This was about 40+ years ago !

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