Ummm. There have been 13WPM and 20WPM LIDS on 75M for 40 years. So much for CW as a LID filter. How about asking more questions about antenna and tower design, construction, and maintenance? That wo
Have you tried PB-Blaster? I have not yet found anything that it is not successful in penetrating and loosening. -- Thanks! & 73, doc, KD4E ... in sunny & warm Florida :-) ~~~~~~~~~~~~~~~~~~~~~~~~~~
Anyone have that article handy? Sure would like to read it! -- Thanks! & 73, doc, KD4E ... a sunny CHRISTmas in Florida :-) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Thank our brave soldiers this
Are there any positive or negative variables re. lightning incumbent to the floating radials design vs those traditionally tied to the coax shield? Here in central FL that is a *always* a required qu
I read this on another list ... "It does reradiate enough noise, if not detuned, to mask weak signals on my receiving antennas ..." I have read of passive antennas used as passive repeaters, so it do
A 160M dipole or doublet, depending on the feed system and antenna tuner may often serve as a complete 160-10M antenna. The Pro-Am 160M mobile vertical is, of course, designed specifically for 160M -
Could one shift the resonance for use on other bands using a source of switched inductance at the base or perhaps switched or variable capacitance? Makes for a fun exploration of possibilities and a
If one were to stack a pair of Cushcraft A270-10S 2/440 beams how close can they be without negative interactions, please? I need one to be vertically polarized and the other horizontal. I will eithe
You are correct, the term I should have used is "orientation", though I have to hope that the jokesters on this list do not take liberties and chase a rhetorical rabbit trail with that one! ;-\ -- T
What is the probable result of strapping the booms of a pair of 2/440 combo beam antennas together with one set of 2/440 elements on the vertical plain and one horizontal? On first blush I am thinkin
What, please, are the reasons to prefer either a K3VW 9:1 beverage impedence transformer or a K9AY transformer? After 30+ years it still "feels" odd laying an antenna on or near to the ground ... but
Clean the roller surface with a dry non-metallic kitchen scrubbie, wipe clean with a dust-free soft cloth, then find some molybdenum or at least the "DuPont Performance" (moly and teflon) treat the r
I have a Dentron MT-3000A-clone MFJ-984 tuner. I'd like to improve performance on 80 & 160M QRO and read of one Ham changing the C1 240pf input series cap to 750pf and C2 114pf to 675pf. While I expe
Great helpful ideas! I checked out the ebay posting and saved the relevant pics for future reference. Will have to dig into the tuner to see where best to locate the switched caps. Thanks! -- Thanks!
Can anyone compare the DK-3 to a Tarheel Jr.? I need something for my van but the DK-3 seems too tall with much of the antenna up against the metal side of the van -- unlike the exposure it would get
Was it here that read that the "common knowledge" that DC grounding of a vertical antenna = better lightning protection is not always accurate? Just read this in some antenna advertising text: "DC Gr
Anyone have a schematic for a MFJ-984 Versa Tuner IV? It is a clone of the Dentron MT-3000A but with a different type of meter switch. I need to service the meter circuits and make some mods to add s
Leave it outdoors in the shade in Florida for a while. The natural buildup of mold and mildew will blacken it pretty quickly! I am looking forward to a better answer for you as such might come in ha