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QRZ Forums - Antennas, Feedlines, Towers & Rotors for Monday 20 February 2017 by QRZ.com via rec.radio.info Admin
Antennas, Feedlines, Towers & Rotors /////////////////////////////////////////// Using a Kenwood TS-590 and DX Engineering RF-PRO-1B Magnetic Loop Posted: 19 Feb 2017 07:17 PM...
0 7
ETH054 - Building Antennas by ETH via rec.radio.info Admin
Everything Ham Radio Podcast /////////////////////////////////////////// ETH054 - Building Antennas Posted: 02 Feb 2017 02:00 AM PST http://www.everythinghamradio.com/2017/02/eth054-building-antennas/ Hello everybody and welcome back to the Everything Ham Radio Podcast! In
February 2nd 17 01:36 PM
by ETH via rec.radio.info Admin Go to last post
0 95
Yagi Antenna Design by rickman
I had a WISP unit upgraded for better reception and they used a Yagi antenna, at least I guess it's a Yagi. Here's a photo. http://www.netwifiworks.com/images/airMAX/Antennas/Yagi/yagi.png This doesn't seem to fit the mold in a couple of ways. The elements are not spaced at all regularly. ...
(Multi-page thread 1 2)
January 28th 17 08:44 PM
by rickman Go to last post
16 115
vERTICAL AETHER DEMONSTRATION by Helmut Wabnig[_2_]
On Sat, 10 Dec 2016 06:34:09 -0800 (PST), wrote: Il giorno martedì 29 novembre 2016 23:13:03 UTC+1, ha scritto: https://youtu.be/r2cRaPQhTss repeated with more mechanical rigidity gives a null. https://youtu.be/tUoXmib-THU QUACK.
January 22nd 17 03:21 AM
by mosca.muha@gmail.com Go to last post
2 118
Advice on mast and bracket please by Jim[_21_]
Hi everyone, I'm about to mount an small (10" x 10", less then 1KG) 4G external antenna (bands 42/43 which is supposed to be 3.5Ghz to 3.8Ghz) to an old Sky TV bracket and mast but I’d like your input before i buy anything. The link below will show you the old (at least 20 years, but feels very...
January 5th 17 07:47 PM
by Jim[_21_] Go to last post
0 141
External aerial for 4G+ (LTE Advanced) [Relish.net] Router by Jim[_21_]
Firstly sorry if this is OT guys but you do seem the best people to ask. The part of London I live in has rubbish ISP speeds (4 mbit) and I have been offered an old Relish.net router which is a Gemtek WLTFSR-115GN, I know some of these have external aerial sockets (US ones I think) but the...
(Multi-page thread 1 2)
January 3rd 17 06:15 PM
by Jeff Liebermann[_2_] Go to last post
18 3,144
MFJ 1797 Vertical Antenna by n9nzh28@gmail.com
For some 12 years , I have use a MFJ 1796 Thus cutting one of the verticals wire off 1" inch at the base to help out on 40 meters, But since then had moved and now looking at a (MFJ 1797) antenna. The question is "MFJ 1797 VERTICAL ANTENNA, 7-BAND, 40-10M COMPACT VERTICAL " has anyone know or...
December 29th 16 12:58 AM
by n9nzh28@gmail.com Go to last post
0 110
High power transmitter and history by John S
I hope you enjoy this as much as I did. https://www.youtube.com/watch?v=CbHjcwIoTiY
December 20th 16 12:39 PM
by J.B. Wood[_2_] Go to last post
2 175
Window antenna by John S
I've been thinking about a 70cm antenna made by using copper tape on a window. It seems that I can get a 50 ohm match by drooping the two radials about 38 degrees below horizontal. Of course, I don't know how to include the effects of glass on the antenna nor rectangular coppper, but it is a...
November 17th 16 02:19 PM
by John S Go to last post
5 261
Looking For A Photograph by Irv Finkleman
Somewhere during my ham life I saw a photo of some hams ground system which consisted of a ground rod stuck into a flower pot. Very humorous to say the list. It'll always get a laugh. I've searched high and low but cannot remember where I saw it, nor can Google Images find it. Does anyone have a...
November 5th 16 09:54 AM
by Helmut Wabnig[_2_] Go to last post
4 366
[VA3QV] Busy but still finding time for radio by VA3QV via rec.radio.amateur.moderated Admin
VA3QV's Weblog /////////////////////////////////////////// Busy but still finding time for radio Posted: 04 Nov 2016 06:35 AM PDT https://va3qv.wordpress.com/2016/11/04/busy-but-still-finding-time-for-radio/ It seems that there is lots more to do after buying a trailer once you have
November 4th 16 06:13 PM
by VA3QV via rec.radio.amateur.moderated Admin Go to last post
0 249
Effects of ground plane in middle distance by unk
Frequency is 2.4 ghz, plane is made from radials about 4x wavelength (can't change this), and I can place a monopole antenna anywhere up to about 5 wavelengths away (up) from the center. I would like to maximize reception in the angles close to the ground plane (~30 degrees) and/or minimize...
November 1st 16 12:54 AM
by Jeff Liebermann[_2_] Go to last post
2 371
Coax entry into house by Tekkie®
Hi all, I want to run a coax into to my house bedroom because I'm disabled. I recall reading having a short piece of electrical pipe placed through the wall and sealed after the coax is run. Any other ideas? How much of a tail should brought into the room? -- Tekkie
(Multi-page thread 1 2)
October 26th 16 03:39 PM
by Tom W3TDH Go to last post
15 821
Question about LMR-200 and N connectors by Lee Gleason
I'm putting up a discone for UHF/VHF and have settled on LMR-200 as a good performance/size compromise cable. I have some W5SWL crimp on N conectors for this cable. I'm wondering what dimension the crimping tool die should be for crimping on the center pin. I thought it was suppposed to be...
October 22nd 16 10:39 PM
by Dave AC2GL Go to last post
1 315
[TWIAR] Proposed 40-foot ham radio antenna tower causing static in Marblehead (Massachusetts) by TWIAR via rec.radio.info Admin
TWIAR News Feed /////////////////////////////////////////// Proposed 40-foot ham radio antenna tower causing static in Marblehead (Massachusetts) Posted: 16 Oct 2016 09:46 AM PDT http://bit.ly/2dVwzxG A group of neighbors banded together over concerns regarding a 40-foot
October 17th 16 04:48 AM
by TWIAR via rec.radio.info Admin Go to last post
0 344
[VA3QV] Well spent time in the shack by VA3QV via rec.radio.amateur.moderated Admin
VA3QV's Weblog /////////////////////////////////////////// Well spent time in the shack Posted: 12 Oct 2016 06:53 AM PDT https://va3qv.wordpress.com/2016/10/12/well-spent-time-in-the-shack/ Well now that I can move around again after the intentional overdose of
October 12th 16 07:18 PM
by VA3QV via rec.radio.amateur.moderated Admin Go to last post
0 387
modelling colinear antenna for 4nec2 by nico
Hello.. I am interested in modeling with 4nec2 a collinear antenna for 869 MHz frequencies, it's use for my security systems. i wright this code in 4nec2 but i don't see the far field ...
October 7th 16 02:06 PM
by hmmdslm4054@gmail.com Go to last post
6 773
Active LF Antenna by J.B. Wood[_2_]
Hello, all. Has anyone constructed "The AMRAD Active LF Antenna" by Frank Gentges that was featured in the Sep 2001 issue of QST? How would you rate its performance? Thanks for your time and comment. Sincerely, and 73s from N4GGO, -- J. B. Wood e-mail:
October 7th 16 11:19 AM
by J.B. Wood[_2_] Go to last post
0 362
Modified MFJ Cobweb Antenna by Fred McKenzie
An article in QST several years ago, described an "Octopus" antenna consisting of four pairs of mobile whips arranged as dipoles, all fed in parallel with a single co-ax. Since then, I have been using one in my attic with 80, 40, 20 and 15 Meter whips. I added a 4 foot vertical whip for 10...
October 4th 16 03:19 AM
by Fred McKenzie Go to last post
1 381
I am building an elevated vertical with 2 elevated downward slopingradials to be used for 10meters-20meters by groutfixer@gmail.com
My name is Allen. My callsign is KE0AHU. I have my General license. I have a FT-857D. I have 80 ft of LMR-400 Ultra Flex. I have a MFJ-226 Graphic Antenna Impedance Analyzer. I have 4 MFJ-1979 16.9ft Extra long telescoping antennas. (I intend to support these MFJ-1979 telescoping antennas with 40lb...
October 1st 16 05:25 AM
by groutfixer@gmail.com Go to last post
0 389
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