This is a follow up to Jim Brown's note on my measurements of choke impedance using a power meter. As Jim pointed out, the circuit he used on page 31 of his tutorial allows one to measure the impedan
I thought I saw some crimped UHF connectors on the Mouser website this morning. I think I did a search for Connectors - RF - crimped - male - UHF to get to the list of male, crimped, UHF connectors.
Is there someone out there who has been thinking of selling their MFJ259B -- possible so they can replace it with an MFJ269? I am looking for a second unit for use here in Idaho. Please contact me if
See the Ham Radio article by Yardley Beers in which he discusses non-resonant trap dipoles and how you select the non-resonant frequency. Tod, K0TO _______________________________________________ ___
Here is the link to my web site. On the page in the antenna column you can click on the Yardley Beers article that details about how to build a dual band dipole that has traps which are NOT resonant
Jim: I control my latching relays with one control line plus ground. It requires two voltages [+ / - ] and a simple RC circuit in each + and - source used to feed the control line for the relay. The
I have found that aluminum wire is quite "adequate" for center supported dipoles for 80m or shorter wavelengths. I would expect that the same thing is true for slopers angled down from towers -- but
Roger, K8RI, commented on the tension required to install a sloper antenna so that it had little or no 'sag' as it went from top to bottom. That caused me to contemplate the 'requirement' that all el
I have found that aluminum wire is quite "adequate" for center supported dipoles for 80m or shorter wavelengths. I would expect that the same thing is true for slopers angled down from towers -- but
I have found that aluminum wire is quite "adequate" for center supported dipoles for 80m or shorter wavelengths. I would expect that the same thing is true for slopers angled down from towers -- but
I have found that aluminum wire is quite "adequate" for center supported dipoles for 80m or shorter wavelengths. I would expect that the same thing is true for slopers angled down from towers -- but
Yes. K0LR has been doing it for years. _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.con
My experience using #14 aluminum fence wire with wire-wrapped connections [splices] does not suggest that there is a problem. The objective is to get a 'gas tight' connection as Hans states. I suspec
Rick & Jim - so much old text it is hard to find the new stuff. relays..that K0TO response => For me the simple solution was to put a series resistance followed by a shunt cap across the supply leads
I wonder if you mean that the apparent length of the wire is increasing Erich. I suspect that the actual length of wire is not really changing -- at least not significantly -- when the wire is saggi
I did a quick check on the cost of the Joslyn 1265-85M unit [single phase, 120/240 service entry]. It is available directly from the manufacturer, Thomas & Betts, for $1140 USD. The version for sub p
Jim: If one reduces the coax common mode current using a common mode choke, should one expect that the 'common mode' component of the current on the open wire line above it going to the G5RV feedpoin
Aha! I thought so. Two bangs for one buck. Tod, K0TO --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-bounces@contesting.com] On Behalf Of Steve Hunt Sent: Thursday, Febr
I have been following this thread since it started. In 2009 I was forced to replace a 'wind altered' tower with a new one. I decided to try to use the existing base for the new tower which was going
Sam: Tod, K0TO There is a link to the article on this page: ftp://ftp.iasi.roedu.net/mirrors/ftp.funet.fi/pub/ham/arrl/qex/Backup%20of%2 0index.wbk 73, Sam AE5L -- Original Message -- From: "Ron W8RJ