1. Forum
  2. FSXNet
  3. FSX_PKT

  • hardline

    From LU9DCE@21:5/101 to BBSRT on Fri Jun 28 17:40:04 2019
    R:880802/0618c 9178@WB0OIZ [INDEPENDENCE, MO - 64050]
    From: WB0OIZ@WB0OIZ
    This is how to match the popular 75 ohm CATV hardline to a 50 ohm antenna:
    | |
    | Overall Length 0.1628 (wavelength) |
    |<------------------------------------------------>|
    | |
    | 75 ohm coax 50 ohm coax |
    | e.g. RG11/U e.g. RG213/U |
    50 ohm----|{{{{{{{{{{{{{{{{{{{{{{----}}}}}}}}}}}}}}}}}}}}}}}}|----- 75 ohm antenna---|{{{{{{{{{{{{{{{{{{{{{{----}}}}}}}}}}}}}}}}}}}}}}}}|----- xmission
    | | | | | line
    |<-.0814 wavelength->| | |<--.0814 wavelength-->|
    | | | | |
    |
    |
    |
    Join using suitable
    connector
    WB0OIZ
    RELAYED BY...N0KGX...GENE
    →→→→→→→→


    --- Mystic BBS v1.12 A43 (Linux/32)
    * Origin: HAMRADIO telnet lu9dce.dynu.com (21:5/101)