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Total 19 documents matching your query.

1. Re: Topband: Rig Question (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Mon, 16 Jun 2014 19:13:57 +0000
I've had lots of good rigs over the years and my K3 sounds as good if not better on SSB as any of them. Maybe the bad sounding K3s receiver EQ settings were misadjusted or left on factory default fla
/archives//html/Topband/2014-06/msg00112.html (10,226 bytes)

2. Re: Topband: TX relays (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Thu, 9 Oct 2014 03:03:36 +0000
Array Solutions has these: http://www.arraysolutions.com/Products/rf_relays.htm#top of page de NA4M -. .- .- -- Phil Duff na4m[at]suddenlink.net _________________ Topband Reflector Archives - http://
/archives//html/Topband/2014-10/msg00026.html (7,598 bytes)

3. Re: Topband: Help installing compression connectors (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Mon, 17 Nov 2014 15:06:04 +0000
There are different SNS F connectors. The SNS connectors will have different sleeve colors depending on application. http://www.tnb.com/pubint/docs/snapnseal.pdf I use the red sleeve connectors on fl
/archives//html/Topband/2014-11/msg00061.html (8,499 bytes)

4. Re: Topband: Help installing compression connectors (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Mon, 17 Nov 2014 15:53:35 +0000
I forgot to include the part number of the red sleeve connectors - SNS1P6U 73 NA4M -. .- .- -- Phil Duff na4m[at]suddenlink.net _________________ Topband Reflector Archives - http://www.contesting.co
/archives//html/Topband/2014-11/msg00064.html (8,880 bytes)

5. Re: Topband: fence charger (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Tue, 10 Jan 2017 03:24:02 +0000
The big box stores sell wireless/remote AC switches to control outside Christmas lights etc. Check their web sites - I had to order mine for store pickup and it works fine on my fence charger used t
/archives//html/Topband/2017-01/msg00019.html (7,891 bytes)

6. Re: Topband: LU5OM shortened dipole (inverted vee) doing a nice job (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Mon, 24 Jul 2017 15:56:57 +0000
Anyone care to hazard a guess as to what soil conductivity numbers might define poor soil conductivity for low band vertical antennas/polarization losses? Here in central Texas with arid rocky poor
/archives//html/Topband/2017-07/msg00041.html (9,231 bytes)

7. Re: Topband: Summer, but 160 ain't dead (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Sat, 14 Jul 2018 11:48:08 -0500
In the last couple weeks here in central Texas VP8EME has been on 160m FT8 with a decodable/workable FT8 signal most evenings that I happened to be on. Even decoded him sending a report to a DL one
/archives//html/Topband/2018-07/msg00093.html (8,008 bytes)

8. Re: Topband: making a bev seem longer (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Mon, 6 Aug 2018 19:18:09 -0500
Look into a magnetic loop such as the design by N6RK as described in a past NCJ: http://www.n6rk.com/loopantennas/NCJ_loop_antenna_N6RK.pdf I use one on 160/80 and find it effective at improving the
/archives//html/Topband/2018-08/msg00066.html (8,939 bytes)

9. Re: Topband: making a bev seem longer (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Tue, 7 Aug 2018 22:03:33 -0500
Perhaps magnetic loop was an incorrect term - shielded-loop is better. Yes - there are better low-band RX antennas. I also have a Hi-Z 3 element vertical triangle array. It works, has directivity and
/archives//html/Topband/2018-08/msg00079.html (12,310 bytes)

10. Re: Topband: Adding chicken wire or mesh on top of radial field (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Fri, 19 Oct 2018 20:52:45 -0500
Assuming that copper wire mesh isnt readily available for the screen that leaves galvanized chicken wire mesh fence/netting or perhaps galvanized welded wire fencing. Would galvainzed welded wire fen
/archives//html/Topband/2018-10/msg00137.html (15,770 bytes)

11. Re: Topband: Rather use N-type (was Re: The answer to PL-259 soldering/reliability problems) (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Thu, 6 Dec 2018 08:15:27 -0600
Interesting. Ive used PL-259s for over 45 years for HF & most all 6m & 2m plugs. The rare random problems with them were the result of cheaping out with poor quality connector, inadequate weather-pro
/archives//html/Topband/2018-12/msg00046.html (11,824 bytes)

12. Re: Topband: Rx splinter (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Sat, 2 Feb 2019 15:29:20 -0600
Fred KE7Xs K3 book (pg 162) suggests the Mini-Circuits ZFSC-2-1-75 so I picked up a couple used ones on eBay some years ago. These have some isolation between output ports. Have been to be working fi
/archives//html/Topband/2019-02/msg00034.html (9,393 bytes)

13. Re: Topband: FT-8 vs CW (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Thu, 25 Apr 2019 15:00:59 -0500
A misconception. K1JT's WSJT-X software has a transmit watchdog timer with I believe a 5 minute max limit - can be set lower of course. de NA4M -. .- .- -- Phil Duff na4m[at]suddenlink[dot]net _____
/archives//html/Topband/2019-04/msg00170.html (7,703 bytes)

14. Re: Topband: 160 (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Fri, 2 Aug 2019 21:15:23 -0500
ARRL stopped issuing new RTTY DXCCs in 2011 when it became Digital DXCC for RTTY, PSK, JT9, FT8, FT4,<insert newest digital mode here>. Same as SSB, AM, FM all count as Phone DXCC. So I suppose we c
/archives//html/Topband/2019-08/msg00099.html (9,712 bytes)

15. Re: Topband: FT8 on 160 - how you can make a difference (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Sat, 3 Aug 2019 17:00:37 -0500
From my experience - it's simply that there is much more DX using FT8 on all bands than other modes. Not long after FT8 was released firing it up on 80m at fall morning sunrises was very revealing.
/archives//html/Topband/2019-08/msg00144.html (8,534 bytes)

16. Re: Topband: 160: Digital only DXCC needed - AKA, things that will kill the hobby.................. (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Tue, 6 Aug 2019 15:06:41 -0500
Dan - Ive been licensed and active for 49 yrs so I guess I qualify as an old timer - but maybe not by some standards. I enjoy FT8, and also SSB, CW, RTTY, FM, etc. Thats the whole point - if you enj
/archives//html/Topband/2019-08/msg00185.html (9,587 bytes)

17. Re: Topband: Windows 10 Update heads up (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Fri, 14 Aug 2020 14:46:20 -0500
I've 2 Dell Windows 10 Home systems in shack.  1 connected to my K3 and dedicated to ham radio tasks.  The other for general purpose use. No driver, USB prefs, connection, or any other problems with
/archives//html/Topband/2020-08/msg00011.html (7,844 bytes)

18. Re: Topband: Rotator Potentiometer shunt fed twr (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Sun, 23 Aug 2020 16:39:38 -0500
Unclear how this might help? Aren't most rotors and their masts normally grounded thru the rotor body and mast clamp & mounting bolts to their tower/support? Have run 160m QRO shunt-fed tower with CD
/archives//html/Topband/2020-08/msg00050.html (8,282 bytes)

19. Re: Topband: Rotator Potentiometer shunt fed twr (score: 1)
Author: Phil Duff <na4m@suddenlink.net>
Date: Mon, 24 Aug 2020 11:25:47 -0500
At least 2 rotor manufacturers (Orion, Spid) have used a simple pulse encoder scheme for some time instead of a pot strip indicator.  A magnetically actuated reed switch generates pulses when the rot
/archives//html/Topband/2020-08/msg00055.html (10,909 bytes)


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