Tim - What spec on 73 material are you referring to? I have never seen a published Al value for the 287300292 (BN73-202). Here's the Fair-Rite page with the 287300292: https://www.fair-rite.com/produ
But that gain is in the vicinity of small pennants, f;ags and others. I often use smaller loops and flags with a preamp. At 160 and nearby, I believe my preamps (Clifton Labs, ARR etc) have goodenoug
Chuck Hi guys, Just saw this page and it presented info that a BOG is a resonant antenna. It gives me a little boost about adding inductance to the antenna to artificially lengthen it. Is there any a
In the past, I have simply used my N2PK VNA to measure impedance of the choke by connecting the shield of the coax to the VNA ports. Recently I've been discussing common mode chokes with others who h
Many many years ago I had partial success soldering aluminum coax shield to copper wire using the motor oil technique. I also believe I had some flux (unknown type) that helped. But I had no luck wit
Jim - Thanks. Of course one can use crimp connectors. There a zillions of those in common use. But that was not the question. I wish to solder copper wire to the shield. Chuck The only methods I know
Hi - Many years ago I saw some ground loop isolators that pass DC. That is exactly what I need so that power can be sent over coax feeds to preamp at the antenna. I cant find anything on eBay that me
Hi - I have been looking for the oscilloscope equivalent of the nanoVNA or miniSA. Of particular importance is that it be a small instrument that supports most control functions via a PC. I need mayb