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Call Sign : 26-CT-3228 Ham M7VIC Posts : 2369 Times Thanked : 161 Join date : 2019-11-10 QTH or Location : Bedford Equipment Used : Various
Subject: Re: Venom 1/2 wave SWR Issue Sun Sep 26, 2021 11:10 am
Sounds like job's a good'un!
These half wave antennas have a good SWR range, if I recall something like a 1:1.5 range of over a MegaHertz. They make for good 28Mhz/10m antennas too.
We do have to suffer much more noise nowadays on pretty much all the HF range compared with decades ago unfortunately....all those PC's, laptops, tablets, chargers, etc. spewing RF noise everywhere! Always RF 'quieter' when you can go mobile and get away from such urban noise. Don't despair though, you can chase the proverbial 'dogs tail' trying to track down RF noise. If it isn't that bad I wouldn't worry, (and I'd rather sit in comfort at a homebase radio than a cold night on a hill in the car!)
When there is no prorogation or 'skip' CB range is fairly limited but once that 'skip' is in it's all exciting as hell.
Hi Bruce. Re the noise, I had a horrendous level of unwanted noise for a while earlier this year, but managed to get it to drop substantially, partially by just moving antenna slightly. If you've got the time and space you could try hiring or lowering it a little or moving it a few feet one way or another to see if it picks up less.
You can get a good low SWR over a wide band with the Silver Rods. Even if you don't they can still work well. Had one led flat once inside the loft hung from the rafters, SWR nearing 3:1 but still was able to work Europe when the skip was running. You should have good fun with yours next time the skips up