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Total 36 documents matching your query.

21. Re: Topband: Grounding protection-Beverage? (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Fri, 10 Dec 2004 09:49:42 -0600
"What are some options for lightning protection of a Beverage...and...a remote preamp at the Beverage feedpoint? How about an electric fence grounding apparatus? I have seen them in the ranch stores.
/archives//html/Topband/2004-12/msg00158.html (9,333 bytes)

22. RE: Topband: Preamp for 160m (and 80m) (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Tue, 1 Feb 2005 15:24:50 -0600
"I would like to put a 160m preamp on my multiband vertical antenna. Could you please tell me your opinions? A kit would be great. Thanks, Olivier" Oliver, The K9AY and KD9SV preamps are very good. I
/archives//html/Topband/2005-02/msg00020.html (7,466 bytes)

23. RE: Topband: Preamp for 160m (and 80m) (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Wed, 2 Feb 2005 10:08:58 -0600
" I'm not sure that a preamp is needed with this antenna. " I agree, but Oliver didn't his reason for asking for comments about preamps. " Have any of you compared the Mini-circuits preamps to the co
/archives//html/Topband/2005-02/msg00038.html (8,269 bytes)

24. Re: Topband: Field Day (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Thu, 23 Jun 2005 17:34:05 -0500
'Another show of hands -- who's planning to be on 160 for Field Day? 'Jim K9YC' I'll be on 160 from the house. I don't think there are any 160 Field Day ops planned in the Austin Area. Brad, KV5V ___
/archives//html/Topband/2005-06/msg00035.html (7,426 bytes)

25. Re: Topband: Signal/Noise. (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Fri, 5 Aug 2005 15:27:47 -0500
"...I was recently able to pick up an MFJ 784B unit and after using it with my Icom 751A my reception of weak CW signal's on the edge of the noise has suddenly come alive.The tunable filter's are mag
/archives//html/Topband/2005-08/msg00005.html (7,198 bytes)

26. Re: Topband: PreAmp Recommendations (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Fri, 21 Oct 2005 13:32:55 -0500
"Any preamps that are especially good for 160 and 80 and maybe 40...." Bill K4XS Bill, I'd look at the KD9SV and K9AY preamps. Brad, KV5V _______________________________________________ Topband maili
/archives//html/Topband/2005-10/msg00191.html (6,686 bytes)

27. Re: Topband: terminating resistors (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Mon, 21 Nov 2005 15:45:19 -0600
"I was cruising the Mouser catalogue and ran across some 20 watt Ohmite non-inductive resistors in TO-220 cases that are described as "high pulse tolerant" designs. Any reason these wouldn't be a goo
/archives//html/Topband/2005-11/msg00260.html (8,077 bytes)

28. Re: Topband: Staying Away From W1AW? (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Tue, 6 Dec 2005 14:50:32 -0600
"At my location, W1AW has it's own "guard band". W1AW often (but not always) has weak hum sidebands and hissing spurs extending out at least 500 Hz. ;-) "IMO scheduled broadcast stations, especially
/archives//html/Topband/2005-12/msg00044.html (8,153 bytes)

29. Re: Topband: beverage termination (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Thu, 15 Dec 2005 14:58:57 -0600
"Anybody out there ever think of using spark plug wires as beverage termination resistors? I just measured one about 12 inches long and checked in at 590 ohms. Certainly more weather-worthy than a 2-
/archives//html/Topband/2005-12/msg00204.html (8,355 bytes)

30. Re: Topband: noise (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Wed, 4 Jan 2006 17:19:38 -0600
"...sounds like a unstable data transmission of sorts and it appears every 36 khz through the band starting at 1812 repeating at 1848, 1884, etc... "Thanks, de gary, kd9sv" That one might be a switch
/archives//html/Topband/2006-01/msg00054.html (7,538 bytes)

31. Re: Topband: Building a practical vertical from Al tubing (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Thu, 5 Jan 2006 13:06:49 -0600
""I used 440 lb baler twice (1/2 cent per foot) so I could put in as much guying as I wanted for practically no cost."" "...how to attach the guys to the vertical." 73, Roger I also used baling twine
/archives//html/Topband/2006-01/msg00075.html (8,540 bytes)

32. Re: Topband: Bailing twine and guy stuff like that (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Mon, 9 Jan 2006 09:02:36 -0600
Rick & Tom, Ditto. All of the baling twine I found in the selection of 7 or 8 types available at our local TSC were advertised as UV-resistant. Although, the "literature" on the boxes suggested some
/archives//html/Topband/2006-01/msg00110.html (9,041 bytes)

33. Re: Topband: MFJ-1026 (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Mon, 23 Jan 2006 09:46:26 -0600
"I am, however, finding it harder and harder to suppress an overwhelming urge to drop-kick the thing into the back yard. Charles - K5ZK" Keep working on it, Charles! Many of us have found the 1026 a
/archives//html/Topband/2006-01/msg00328.html (7,184 bytes)

34. Re: Topband: Splitting RX antenna (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Tue, 31 Jan 2006 08:48:57 -0600
"...can I use a tee, or would a simple switch be better to distribute 160m signal from my RX array to two receivers." "73, Pete N4ZR" Pete, another great option here is the W8ZR multicontroller. It h
/archives//html/Topband/2006-01/msg00416.html (7,438 bytes)

35. Re: Topband: CW speed (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Mon, 27 Feb 2006 10:18:14 -0600
QRN season and >slower speeds with very weak signals on clear "white noise" winter days. High speed Hi Tom! When I operated from 9N1ARB and HS0ZCT on a couple occasions a few years ago, I found that
/archives//html/Topband/2006-02/msg00215.html (8,098 bytes)

36. Re: Topband: Relay types-Tx and Rx (score: 1)
Author: "Brad Rehm" <brehm@ptitest.com>
Date: Thu, 23 Mar 2006 13:43:20 -0600
JW1FSN-DC12V have seemingly merged into one. time. I normally use semi-QSK and need a fast relay so I advocated using a vacuum relay. If one switching time is not so important. Roger, I agree...there
/archives//html/Topband/2006-03/msg00175.html (8,261 bytes)

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