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Re: [TowerTalk] Circularly Polarized Receive Antenna

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Circularly Polarized Receive Antenna
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Sun, 17 Aug 2025 16:49:10 -0700
List-post: <mailto:towertalk@contesting.com>
On 8/17/2025 2:17 PM, David Gilbert wrote:
I believe those are passive boxes, not DSP

(somebody please correct me if I am wrong).  They work fine, but are pretty expensive.
You are correct on both counts, although there are provisions to add preamp modules to the inputs. And they are not cheap. And what Jim Lux is saying is that there is some time offset between the two DSP receivers. We can pretty take what Jim says to the bank -- his day gig is (was?) as part of the teams that put us on Mars and other cool places. Jim and I are both contributors to the ARRL Handbook.

73, Jim K9YC


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