22 lines
1.1 KiB
Plaintext
22 lines
1.1 KiB
Plaintext
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
|
||
|