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Rezensionen (4)
19. Feb 2019
Thicker than the originals.
They work, but I think they're thicker than the originals. Very tight fit for my Rolleiflash not allowing the cable spool to operate as it should. Too tight.
18. Okt 2021
For balanced feed antennas this is the ticket.
1 von 1 finden das hilfreich Very good at tuning the bands that it's designed for - traditional HF bands, 80, 40, 20, 15, and 10, with a balanced antenna designed for those bands such as a ladder line fed 130 ft doublet. But don't expect it to work on 80 with a doublet length cut for 40 meters.
If it has trouble tuning a band, either cut off or add 1/8-wavelength of ladder line to move it away from the non-tunable impedance. For example, mine didn't tune at 20 meters, so I added 2-1/2 meters of ladder line and it tuned fine. Make the total ladder line length an odd multiple of the lowest wavelength, then adjust the length if needed, as stated above.
Once it tunes well on all bands, make a table of tuner settings and with a little practice you'll be able to tune almost as fast as an automatic antenna tuner. I've found that once I did this the tuner is very consistent and most of the time I don't have to transmit on the air for more than a second or two to verify that the SWR is near 1:1. Helps to have a cross-needle SWR meter.
If it hasn't been modified it will have a relay in the back that switches between receive and transmit, designed for separate receivers and transmitters back in the day. With a modern transceiver you'll have to either solder a piece of wire in to bypass this relay, or wedge a small piece of plastic or wood into the relay contacts to keep the SO-239 connector connected to the input inductor all the time. Follow the wires and you can probably figure it out.
25. Jan 2022
Won’t tune on 6 meters
Even with the whip all the way extended it’s resonant above the 6 meter band; won’t tune within the band. Not useful.