When I twist the calibration knob and set the meter to 1.5 does that mean my SWR is 1.5 or does it mean the meter is set wrong.
2007-12-16 15:18:42 · 4 answers · asked by Hook 'em Horns 3 in Consumer Electronics ➔ Other - Electronics
Often an SWR meter will have a switch with 2 settings. One for calibrate (forward power) and one to measure SWR (reflected power).
Typically, in calibrate mode, with transmitter keyed, adjust for full scale (or some marked calibration point).
Then, once calibrated and switch is set to measure SWR mode, that reading will be your SWR (transmitter keyed on).
An SWR of 1.5 is generally considered good.
SWR of 1:1 is best.
Higher than 2:1 is not very good. (potentially risky)
Higher than 3:1 is bad - don't use at or above this level without high risk of damage to transmitter.
2007-12-17 07:52:13 · answer #1 · answered by Anonymous · 0⤊ 0⤋
You SWR should not be calibrated above 1.5. The lower the SWR is best. All of this is determine by the type of antenna, cable, length of cable and if your antennas are grounded. I included a couple of links to help you understand more.
2007-12-16 15:50:03 · answer #2 · answered by Anonymous · 0⤊ 0⤋
there should be a switch for calibration - flip that and move the needle to the calibration mark - the over the red line at the end of the scale - then flip the switch and key the mic - that's your swr - check it on 1 and 40
2007-12-16 23:57:24 · answer #3 · answered by bad_cat26 2 · 0⤊ 0⤋
The meter only measures, it does not change SWR. If it is not calibrated properly, the reading is incorrect. You could damage your rig, if you transmit and the SWR is too high. SWR is affected by the antenna (and things near it), the coax, connectors, conditions in the rig.
2007-12-16 15:33:58 · answer #4 · answered by hamrrfan 7 · 0⤊ 0⤋