--Original Message-- John, 4 radials isn't anywhere near enough (unless they're elevated). SWR doesn't tell you anything about antenna efficiency. Ideally, you want to keep adding radials until your
partial excerpt: --Original Message-- From: sebdesn <sebdesn@comcast.net> To: topband@contesting.com Sent: Tue, 4 Nov 2008 3:59 pm Subject: Re: Topband: Inverted L The work I have not see
"verticals radiate poorly in all directions," and "just put something up and get on the air," I am running an off-center-fed 80-10 dipole from Buckmaster on 160 using the rig tuner in my 570. I know
Bob - just hold thumbs that this god allows coupling to the ionosphere from horizontally polarised antennas in OH.? There are many locations where he doesn't allow it on TB!? (At least not very often
I am making a few tansformers for a 75 to 500 ohm K9AY loop which per W8JI's design in ON4UN's book call for a 5 pass secondary - which is 2 1/2 turns through the binocular core. The problem however
For receive I use RG-6/U quad shield from Home Depot. As I recall a 500 foot roll costs between $50 and $100 (closer to $50). It works great. I use RG-213/U for XMIT as my runs are less than 100 feet
was with 1 on a band W2PM replies: I have seen the exact same thing here with an MFJ "Atomic Clock". It almost never works but when it does 160 is open at my very noise prone, limited 160 QTH. _____
for informations new glass fibre reinforced plastic supports suitable for our TB wire antennas look at my blog http://topband.blog.cz/ please. I found it just few days ago. If anybody has an experien
Is this flag really playing like it should, or am I expecting too much out of it? ____________ It is likely doing exactly what it should do since the back is on EU from your QTH. Rather than thinking
telecom reflect LOTW works on low speed (dial-up) circuits, and I believe it also works on files exchanged by surface mail (for example, a CD or floppy). I use FREE logging software called DXKeeper.
I think that article was about a whole antenna buried deep in a hole in a lake as I recall. It may have been the April issue too. Pete W2PM _______________________________________________ Topband mai
Thank you Tree and thank you to Bill - for sure! A well run list is much appreciated AND rare. This list has been focused and quite valuable and even when a topic was not of interest to me I could us
Good idea on using posts...readily available. On the concrete mix, I've had good luck using just FINE sand, washed in with water. Using fine sand with water will fill every void and tightly lock the
If you have broadband internet service readily available at the remote site that's the simple way using Ham Radio deluxe or someother PC control software. I have heard of some people using a Wifi rou
Gerry - is there a typo in your reply below OR did you mean to say that the IRB does NOT help your situation? You use the word "doesn't" but wondering if thats right? 73 Pete W2PM Pete, Meant to sent
Also with Geoclock you can put parametes in for Nautical or Civil twilight which makes a significant difference. You have to edit a parameter file to do that. With DX Atlas you can do that in their m
MFJ makes the MFJ-731 SWR Analyzer Filter for the 259 which allows you to notch out BC band signals while not distorting the actual impedance readings of the antenna. I use it here and it works very
Bob - I often find that if I can get a modest null, then I can find a much deeper and profound one with extra work either in futzing with the adjustments of playing around with the configuration of t
the W2PM Replies: BTW when I find a profound null, and it's great as it takes away nearly ALL of the crud, it's at a setting where the main antenna level is very low and the noise even lower. So the
Tapping the pole with anything isn't a good idea and really unnecessary. I just ended a 6 month issue here with TONS of help from ARRL HQ and there is a real long story here but bottom line it comes