HI Roger, I would like to share something that happened to me a little over 1 year ago on 160 meters that really upset me and it's related to this topic (I have bitten my lip for a long time, but you
HI Roger, Thanks for the message, and interesting about the station you mention and his website saying "no dupes". I was shocked when I was told not to work the European station again. I just checked
Hi Rick, You might take a look at a document you can download on a simple website of mine that describes what I called a Terminated Bowtie receive antenna. I created this document while investigating
Hi Bill, As Wes already mentioned, your SWR bandwidth is suspicious as is your minimum SWR. Nevertheless your signal this morning was pretty much on par with the strongest signals I have ever heard f
Is Dr Dovers first name April, and middle name Fools. :) 73, Don (wd8dsb) _________________ Topband Reflector Archives - http://www.contesting.com/_topband
Guy (K2AV) said "Methinks hamdom underestimates 160 propagation in the summertime.", and I totally agree with him. For the past 11 months I have been running a daily early morning experiment on 160 m
Just a little more info regarding the 160 meter experiment that I mentioned which is now 11 months old, and quickly approaching 1 year. The station in South America that I'm experimenting with is my
Hi Dan and gang, Here is a link to a recording I uploaded onto youtube of KH1/KH7Z on 160 meters on July 2nd. https://www.youtube.com/watch?v=2JbZ0s9FSEg 73, Don (wd8dsb) _________________ Topband Re
For those of you that have been getting up early each morning to listen for LU5OM, just wanted to let you know that we have reached the end of our year long test. Manuel (LU5OM) and I (WD8DSB) are pr
And what do you compare your fancy GPSDO or rubidium reference standard to in order to make sure they have not encountered a major failure? I personally think the frequency reference standard WWV pro
Hi Hank, The 60 kHz transmissions are done by WWVB. No mention of WWVB being impacted by the new budget proposal. Just FYI, and 73. Don (wd8dsb) _________________ Topband Reflector Archives - http://
Hi Jim, You said "The accuracy of both devices far exceeds my needs", but let me play the devils advocate. Unless you send those devices into an accredited lab on a regular basis, you can't say they
Hi Trevor, I ordered one of those coils from MFJ (Part # 404-0669) on July 6th and it was on back order at that time, and it shipped from MFJ to me on August 1st (when you order one and they are on b
To follow up on what Tim said, I often just use PVC pipe for my coil forms and wind my coils using enamel coated wire (16 or 14 gauge enamel coated wire), and to keep things simple I often just use c
Hi Clive, Nothing wrong with the hairpin as you mentioned which I really consider to be a high pass L network (which N3QE eluded to) in which the L network capacitance is provided by the antenna (you
Hi Sam, In my remote base loading box I used relays AD5X specified in one of his articles on a matching network. They might be over kill for your project as they are 3PDT relays. The relays are Deltr
Sam, P.S. I only run 100 watts, but these relays might be adequate for you???? I'm sure there will be better options that others will mention. Don (wd8dsb) _________________ Searchable Archives: http
Hi Dave and Gang, This morning I was on from 0600 to around 0730 UTC and the band was in great condition into Europe from the Midwest (but lots of QSB), and at the same time I heard KH6 really poundi
As a followup to my previous post about great band conditions early Monday morning, the band this morning (Tuesday) was back to its typical self if not a little worse from here in the Midwest USA. Eu