Compare 2 antennas from Chameleons with WSPRLITE
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- เผยแพร่เมื่อ 15 ก.ย. 2024
- Compare two antennas from Chameleons with WSPRLITE at field. The antennas are CHA F-LOOP and CHA MIL WHIP. More info u find at www.sa5lkc.se Please SUBSCRIBE the channel and share my videos. Comment below if u have any questions or Future wishes for video. 73's SA5LKC
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hi thanks nice videos 73
Here a quick tip when using an antenna analyzer:
Do not hold the analyzer in your hand because your body will influence the SWR. Keep it straight on the ground for consistency tuning between the two antennas.
- Carl
Yes :) I do both to compare and with this analyzer the result be the same if i hold it or i put it on the ground. Very strange
One more observation: The CHA F-LOOP is set above the concrete steel reinforced structures while the CHA MPAS is located below them. On a vertical antenna the radiation is stronger at the base of the whip (about 1/3 of the vertical length) this is why that vertical elevation ABOVE obstacles is very important.
Gonna do same test on open field later.
Remember that the magnetic loop is directional so all stations coming from each side of the loop null won't be recorded.
Yes on the half time I change the directions of the loop
And in this test the Loop was best this time. Gonna do some more test on differents time and places.