Folks, for the benefit of us reading the digest version, please consider trimming quoted text to the bare minimum. Thanks! Tom, this is news to me. Maritime equipment is manufactured to extremely str
I know that the 600 Meter Research Group is utilizing QRSS for their experiments; that was the first I'd ever heard of the mode. Note that the 600 meter band was the former MF maritime CW band, with
Colleagues, This discussion regarding using parallel lengths of coax as a twinlead feedline is quite interesting and would solve some problems I've encountered. I need foundational knowledge of this
I'm still living in the 60s. I use a Galaxy GT-550 for non 160M work. 73, Jeff KH6O / 6 _________________ Topband Reflector Archives - http://www.contesting.com/_topband
Gosh, all the years that I worked ships from around the Pacific nightly on 500 kc (with ship working frequencies of 425, 454, 468, 480, and 512 kc), I never thought the 600M band would have hams usin
May I respectfully suggest that someone collect all these condolence messages and forward them to his XYL? I'm sure it would provide some comfort to her to know how far his friendship extended across
Anyone who is familiar with the San Francisco Bay Area has noted KGO's three AM broadcast band transmitting antennas located *IN* the water of the East Bay. From KGO's history page: "Three 300-foot t
Colleagues, My government job takes me on quite a bit of travel. On a recent flight from Washington, DC to Boston, I was sitting in a starboard window seat. This was my first flight into Boston so I
Just saw this in the ARRL Letter: "In an unrelated action, the FCC allocated 1,900-2,000 kHz to the maritime mobile service (MMS) on a primary basis for non-Federal use in ITU Regions 2 and 3, and li
I just did an internet search of "radio propagation during an eclipse" and many pages of research articles came up. Remember, an eclipse is a local event whose path is a narrow swath with a width no
Well, Jay, if I can't build it from scratch, then I won't operate it. That's why I'm 100% CW. Have fun operating your black boxes. 73, Jeff KH6O _________________ Topband Reflector Archives - http:/
Jay, VERY nice construction work on your 475 kc gear! I spent years getting paid to operate on 500 kc 12 hours per day. Glad to see you folks persevered to transfer a portion of the 600 meter band to
11 acres includes 300 ft tower and 3 out-buildings in Medford WI: https://gsaauctions.gov/gsaauctions/aucitsrh/ 73, Jeff KH6O _________________ Topband Reflector Archives - http://www.contesting.com/
Roy -- That Wisconsin site was for Differential GPS transmissions. Here's a description of that system: "DGPS uses a network of fixed ground-based reference stations to broadcast the difference betwe
== Just for being nosey, I ran the ft8 software last night before bed to see what I could see and boy, there were stations from all over the world on topband, happily working each other. 73John - M0E
I'll be erecting a 95-foot Inverted-L antenna. At the shack end of the antenna, right before the insulator, I'll need to wrap the wire around itself a few times so that it doesn't slip through the in
Did you all notice that suddenly, 160M conditions picked up at 2200Z, January 26, and just as quickly died off at 2200Z January 28th? I'm going to make a prediction: Even though sunspots are almost n
Even though this if for the BC band, it might prove useful to some of us: http://www.nf8m.com/patternmaps.html http://radio-timetraveller.blogspot.com/ 73, Jeff KH6O _________________ Topband Reflect
Colleagues, I have to live with CC&R homeowner restrictions. I plan to erect a disguise wire antenna around the perimeter of my roof; total length will be about 190 feet. Elevation will be about 20 f