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Total 263 documents matching your query.

101. Re: [RFI] Utility coming tomorrow to chase RFI (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Tue, 03 Jun 2014 12:03:45 -0400
They just returned - found & fixed one loose ground on a pole down the road but that made no change - almost seemed a little louder. They have an ultrasonic device (he thinks from GB) but the battery
/archives//html/RFI/2014-06/msg00006.html (9,286 bytes)

102. Re: [RFI] Utility coming tomorrow to chase RFI (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Tue, 03 Jun 2014 12:48:03 -0400
I have forwarded everyone's comments to them - they really want to learn - in fact he had been on the ARRL site reading-up! Thanks for the good ideas. I just discovered that my cheap Chinese HT (Baof
/archives//html/RFI/2014-06/msg00007.html (10,206 bytes)

103. Re: [RFI] Utility coming tomorrow to chase RFI (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Tue, 03 Jun 2014 13:54:51 -0400
Yes re. AM, got that piece, now looking for an affordable used handheld that gets me that on VHF & preferably also UHF. BTW: It is bizarre that the HF noise is directionally-obvious. As I walk toward
/archives//html/RFI/2014-06/msg00010.html (11,348 bytes)

104. Re: [RFI] Utility coming tomorrow to chase RFI (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Tue, 03 Jun 2014 22:58:10 -0400
VX-3R sounds perfect! Nice and small with the right features. I'll chase one down ... Thanks - David KD4E I've been using a Yaesu VX3-R with good results. For the past few days I've been out on my bi
/archives//html/RFI/2014-06/msg00020.html (10,354 bytes)

105. Re: [RFI] Utility coming tomorrow to chase RFI (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Sat, 07 Jun 2014 16:07:59 -0400
Tom, How is the AM sensitivity Low-VHF and up? Any AGC or other insummountable fixed settings that might make it a poor choice for RFI-hunting? Thanks - David KD4E Don, The VX-3R has an HF sensitivit
/archives//html/RFI/2014-06/msg00055.html (9,865 bytes)

106. Re: [RFI] Utility coming tomorrow to chase RFI (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Sat, 07 Jun 2014 19:02:18 -0400
I can hear the airport beacons below the AM-BC band fine. I was wondering about the impact of other variables; resonance of the antenna, lightning arrestors, antenna tuner, rig ... That aside, how's
/archives//html/RFI/2014-06/msg00057.html (10,029 bytes)

107. Re: [RFI] Utility coming tomorrow to chase RFI (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Sat, 07 Jun 2014 19:15:25 -0400
Tom, Oh wait! It only does AM-rx 108-137? "1.5 µV TYP for 10 dB SN (108-137 MHz, AM)" Can the VX-3R be modded to open up AM-rx through UHF? Or is AM only on HF (OK re. 3uV HF) and 108-137 sufficient
/archives//html/RFI/2014-06/msg00058.html (11,105 bytes)

108. Re: [RFI] Utility coming tomorrow to chase RFI (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Sun, 08 Jun 2014 15:16:43 -0400
Is there any reason, other than size & versatility (no Ham tx), to not use a Radio Shack PRO 93 or Pro 94 scanner? They *appear* to receive AM across a broad range. -- Pro-93 25-54, 108-174, 216-225,
/archives//html/RFI/2014-06/msg00063.html (9,196 bytes)

109. [RFI] Is there a spotting list for illegal CB ops on 10M? (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Sat, 14 Jun 2014 18:51:41 -0400
-- David Colburn, KD4E - Nevils, Georgia USA Safe & Secure Search Engine: duckduckgo.com Android for Hams: groups.yahoo.com/group/hamdroid Creative Tech: groups.yahoo.com/group/ham-macguyver Raspi Al
/archives//html/RFI/2014-06/msg00074.html (6,827 bytes)

110. [RFI] Recommended Handheld VHF-UHF Yagi? (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Mon, 16 Jun 2014 16:26:47 -0400
I have a used RS Pro-92 coming. Should I buy or build an Arrow-like portable VHF/UHF yagi or ?? -- David Colburn, KD4E - Nevils, Georgia USA Safe & Secure Search Engine: duckduckgo.com Android for Ha
/archives//html/RFI/2014-06/msg00085.html (6,754 bytes)

111. Re: [RFI] clamp on ferrites at Mouser (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Mon, 16 Jun 2014 21:42:21 -0400
http://www.audiosystemsgroup.com/RFI-Ham.pdf "A Ham's Guide to RFI, Ferrites, Baluns, and Audio Interfacing" by K9YC -- David Colburn, KD4E - Nevils, Georgia USA Safe & Secure Search Engine: duckduck
/archives//html/RFI/2014-06/msg00091.html (9,278 bytes)

112. Re: [RFI] Recommended Handheld VHF-UHF Yagi? (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Mon, 16 Jun 2014 22:06:22 -0400
I will add it to the list of needs "It will tune 160m through 10m." Right now I need something handheld & directional for VHF/UHF to use with a Pro92 that is on the way here. I have a handheld AM-FM-
/archives//html/RFI/2014-06/msg00093.html (8,345 bytes)

113. Re: [RFI] Subject: Re: Recommended Handheld VHF-UHF Yagi? (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Wed, 18 Jun 2014 19:05:11 -0400
Elk doesn't appear to offer a log-periodic: http://www.elkantennas.com/shop/ But their prices are competitive with Arrow. Thanks for the link - David KD4E I've been backpacking an Elk Antenna for 10
/archives//html/RFI/2014-06/msg00111.html (9,530 bytes)

114. Re: [RFI] Subject: Elk Antennas (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Wed, 18 Jun 2014 21:19:15 -0400
Joe, I didn't see the term "log periodic" on that page & saw reference only to mono or dual-band antennas whereas I'm used to seeing log periodics broadband e.g. 100-500MHz -- so I didn't zoom in. Th
/archives//html/RFI/2014-06/msg00114.html (8,177 bytes)

115. Re: [RFI] Subject: Re: Recommended Handheld VHF-UHF Yagi? (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Fri, 20 Jun 2014 10:43:52 -0400
Please define "long". Which number of elements on VHF is considered adequate? 3-el 4-el 5-el 6-el 7-el Thing is, an LPDA pattern can be quite wide, as is a short yagi's. You need a long yagi to pinpo
/archives//html/RFI/2014-06/msg00119.html (8,604 bytes)

116. Re: [RFI] Subject: Re: Recommended Handheld VHF-UHF Yagi? (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Mon, 23 Jun 2014 14:44:05 -0400
OK, good point. Is there any advantage to a simple yagi, quagi, quad, delta loop, or circular element beam - or will all perform about the same? Each form factor has an impact on convenience; e.g. we
/archives//html/RFI/2014-06/msg00139.html (10,250 bytes)

117. [RFI] Common Mode Line Filter (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Sun, 10 Aug 2014 19:25:07 -0400
Would this be a good general-purpose line filter? http://www.westfloridacomponents.com/C030PD/1A+250Vac+Common+Mode+Line+Filter+EMI+RFI+PMCE-0330.html I take it that 250vac is a max rating & it's fin
/archives//html/RFI/2014-08/msg00005.html (7,164 bytes)

118. Re: [RFI] Cree LED Light Bulb (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Mon, 11 Aug 2014 22:17:55 -0400
Be sure to buy decent quality LED bulbs. I tried some Titan 7-LED bulbs & they all failed quickly - some within a week and others within a month or so - I did get a refund. I'm guessing it was poor q
/archives//html/RFI/2014-08/msg00032.html (10,791 bytes)

119. Re: [RFI] 10M interference (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Sat, 06 Sep 2014 12:05:47 -0400
Pete, Nothing heard here in SE_Central GA. Tried both dipole & 43' vertical. David -- David Colburn, KD4E - Nevils, Georgia USA Safe & Secure Search Engine: duckduckgo.com Android for Hams: groups.ya
/archives//html/RFI/2014-09/msg00018.html (7,138 bytes)

120. [RFI] Is Icom IC-T90a AM-mode good for chasing RFI? (score: 1)
Author: "qrv@kd4e.com" <qrv@kd4e.com>
Date: Fri, 19 Sep 2014 13:46:59 -0400
The IC-T90a seems to be lots cheaper used than the Kenwood TH-F6A. WDYT? Got the 440 handheld beam reassembled but struggling to get my Pro-92 scanner to play nicely. David KD4E -- David Colburn, KD4
/archives//html/RFI/2014-09/msg00028.html (6,948 bytes)


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