Re: Topband: [TowerTalk] New N6LF Ground Probe Designs

2024-03-04 Thread Steve Harrison
On 3/4/2024 10:48 AM, GEORGE WALLNER wrote: Salt water, salt marshes, alkaline soil, soil with a high water-table should be good. What could be considered a "high water table"?? My water table is maybe 110 - 120 feet down; but if it were shallower, like maybe 30 feet, I might be concerned

Re: Topband: [TowerTalk] New N6LF Ground Probe Designs

2024-03-04 Thread GEORGE WALLNER
Salt water, salt marshes, alkaline soil, soil with a high water-table should be good. George On Mon, 4 Mar 2024 18:11:34 - "Roger Kennedy" wrote: But what is GOOD Ground for RF? I've always presumed that the reason I do so well for DX with a horizontal 160m Dipole is because the Ground

Re: Topband: [TowerTalk] New N6LF Ground Probe Designs

2024-03-03 Thread Richard (Rick) Karlquist
On 3/2/2024 11:36 AM, Jim Brown wrote: On 3/2/2024 10:43 AM, Jeff Blaine wrote: I live in an area surrounded by farm lands and assume that the soil here is nice and conductive.  But I have no idea what that really means. There is no definite correlation between land being farmed and RF

Re: Topband: [TowerTalk] New N6LF Ground Probe Designs

2024-03-02 Thread Jim Brown
On 3/2/2024 10:43 AM, Jeff Blaine wrote: I live in an area surrounded by farm lands and assume that the soil here is nice and conductive.  But I have no idea what that really means. This is a link to ancient FCC maps of soil conductivity to be used by AM broadcast stations. I would expect it

Re: Topband: [TowerTalk] New N6LF Ground Probe Designs

2024-03-02 Thread Jeff Blaine
I think there are a couple of reasons I want to try this method. First is that it's a technically cool use of a VNA - which is my personal favorite gadget in general. I live in an area surrounded by farm lands and assume that the soil here is nice and conductive.  But I have no idea what

Re: Topband: [TowerTalk] New N6LF Ground Probe Designs

2024-03-02 Thread Richard (Rick) Karlquist
On 3/1/2024 10:44 AM, Brian Beezley wrote: Rudy Severns, N6LF, has updated his writeup on ground parameter measurement with several new probe designs. A ground probe and NanoVNA I'm not trying to take away anything from Rudy's excellent work, but he doesn't explain in the posted article what