It would be much safer and less expensive to simply hire a crane when you want to perform maintenance on the tree mounted beam. Sounds like you are having fun, Dave Wa3gin I would not do what you are
The bolts should work fine. I've had mine up 35 years. Ran a mast from the bast all the way up to take all the twist moment off the rivets. They're all nice and tight still. Better check the rest of
With all due respect. I would favor the stainless. The stress in this area of the tower is many times less than the rating for the given diameter of stainless. Not having to deal with rust that may m
...and I heard of a similar story about a ham in Richmond, VA...I'd like a buck for every HDX-48 that had its rivets melted off hahaha -- Original Message -- From: "Bill Turner" <dezrat@copper.net> T
I bought a townhouse 7 years ago. Put up a 2m vertical...prices went up 100%. I took the antenna down two years ago...prices dropped 50% go figure. Because that will give people yet another thing to
Suggestion: Go visit your local government Office of Emergency Management coordinator. If none exist visit the Fire Chief. See if your local jurisdiction has a civil defense group of ham radio volunt
Buy an OMNI 7, install DSL and offer the site as an HF Internet Remote for all those hams that are restricted from building their own antenna farms. Create an Internet Remote Club to fund an antenna
Marketing HYPE... with AGC set your expectation to >3db before you hear the difference. Is this really true? I am aware that a 1 db difference in audio is barely noticeable. However, as I understand,
In the old days...guys would turn off the AGC and place a volt meter on the audio output...then try to see the difference in voltage...seems like a lot of work...I basically am pretty satisfied if I
Author: "WA3GIN in Alex. City, VA" <wa3gin@comcast.net>
Date: Tue, 29 May 2007 19:57:11 -0400
I think your efforts should be rewarded but the test is flawed. Try using QRP and an attenuator. Get a distant station to record the two transmissions...one with and one without the 1db attenuator in
Author: "WA3GIN in Alex. City, VA" <wa3gin@comcast.net>
Date: Tue, 29 May 2007 21:50:38 -0400
Yes, I agree but it is more real world than MP3 files...at least we have the chance to hear the effect of receiver selectivity/sensitivity, receive antenna characteristics as well as receiver AGC, et
Author: "WA3GIN in Alex. City, VA" <wa3gin@comcast.net>
Date: Mon, 18 Jun 2007 19:19:42 -0400
.on NBC news in about 3 minutes East Coast time a story on the virtual boarder fence between Mexico and the US.the video shows a PorkyPINE lightning protection device above the video camera ;-) 73, d
Its lightning protection...supposed to disperse the charge before it grows large enough to create a plasma path for a direct strike...lots of info in archives about this technology...pros and cons...
What would be really good for the list members is a set of questions one should ask before beginning work on a tower that they do not own or do not have knowledge of the structural health. In the ins
One can remove a bolt from the leg and perform the same test described earlier, in the case of Rohn 25. But I agree...liability is always a concern. I'm not an attorney ______________________________
One never knows... If it is a buried section then that bolt may be 7' above ground. Carl KM1H _______________________________________________ _______________________________________________ TowerTalk
Author: "WA3GIN in Alex. City, VA" <wa3gin@comcast.net>
Date: Wed, 27 Jun 2007 18:18:24 -0400
Hi Folks, If there is anyone out there that has subject and can give me the dimensions of the feedline harness part# A27010SFL our radio club would be most appreciative. 73, dave wa3gin@COMCAST.NET _
Farmville, VA -- Original Message -- From: "Chuck" <wcmoore@verizon.net> To: "jeremy-ca" <km1h@jeremy.mv.com>; <towertalk@contesting.com>; "JACK KZ4USA" <videorov@verizon.net> Sent: Saturday, June 30
yes, I have a TB6EM and it uses a T-match constructed from #8 aluminum then fed with a coax balun with a 10m gadet wire (old school) balun. later, dave wa3gin -- Original Message -- From: <n8de@thepo
...the wire is actually inside the balun box (not the 10m trap), but it was stated to me that the wire was added to improve 10m matching. I have an open one in the country if anyone wants to see the