Search String: Display: Description: Sort:

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+NCC\s+and\s+phased\s+Active\s+verticals\s+follow\s+up\s*$/: 4 ]

Total 4 documents matching your query.

1. Topband: NCC and phased Active verticals follow up (score: 1)
Author: "Tod -ID" <tod@k0to.us>
Date: Tue, 23 Oct 2007 23:56:43 -0500
Since the original posting I have made some additional measurements and wish to comment on the 1850 kHz spur I observed. This spur is apparently caused by the following: The DXE Active Vertical is de
/archives//html/Topband/2007-10/msg00144.html (9,673 bytes)

2. Topband: NCC and phased Active verticals follow up (score: 1)
Author: "Lee K7TJR" <k7tjr@msn.com>
Date: Wed, 24 Oct 2007 11:29:22 -0700
Tod wrote: I inserted the jumper designed to enhance 160 meter operation and measured the BC band signals and also the 1850 spur at the station end of the active vertical. Here is what I found: 590 k
/archives//html/Topband/2007-10/msg00153.html (8,791 bytes)

3. Re: Topband: NCC and phased Active verticals follow up (score: 1)
Author: "Rick Karlquist" <richard@karlquist.com>
Date: Wed, 24 Oct 2007 12:33:54 -0700 (PDT)
When I tested the ARAV, I experienced spurs that were generated in the electronics of the ARAV itself. No way to fix those. A filter afterwards doesn't help and you can't insert one ahead of the elec
/archives//html/Topband/2007-10/msg00154.html (8,410 bytes)

4. Re: Topband: NCC and phased Active verticals follow up (score: 1)
Author: "Rick Karlquist" <richard@karlquist.com>
Date: Wed, 24 Oct 2007 13:41:30 -0700 (PDT)
They don't publish anything on that. The LC tanks that are selected with jumpers appear to be constructed of ordinary parts with 10% or 20% tolerance. The effect of those could be modeled w.r.t. ampl
/archives//html/Topband/2007-10/msg00155.html (7,949 bytes)

Current List: 1 - 4
Page: [1]
This search system is powered by Namazu