Wait - I am further from the East Coast than both of you - I want to be DX too!!
Tree N6TR On Wed, Nov 28, 2018 at 7:19 PM GEORGE WALLNER <[email protected]> wrote: > Herb, > Of course the VI should be counted as DX. You are 1000 miles further from > the ConUS than me, and I count as DX (C6AGU), being only 200 miles from > FL. > It is not logical that you should compete on the same level as the guys in > the middle of the country, with everybody all around them. But, on the > upside, you will be able to work me with ease! > 73, GL and CU in the Contest, > George, > C6AGU/AA7JV > > > > On Wed, 28 Nov 2018 16:32:12 -0400 > Herbert Schoenbohm <[email protected]> wrote: > > That's correct but under these rules, the VI is not DX and counts the > same > > as a W/VE two-pointer. Navassa which is certainly rare, especially on > 160, > > is counted as KP2. Desecheo KP5 is counted the same as KP4. Sort of > weird > > wouldn't you agree? This is unfair when VP2V on 5 miles from KP2 is > > counted as DX. Also, all the rare DXCC US entities in the Pacific like > > NMI, Wake, American Samoa, and Guam all count for Hawaii. The ARRL is set > > in their ways and claims the 160-meter contest is supposed to be like SS > > for 160. They only add DX contacts when ARRL President W0DX and VP2VI > > demanded he should not be excluded from operating in a contest he > > envisioned in the first place. The bottom line is that the statins in the > > U.S. Territories cannot be competitive and are seriously discriminated > > against by the Contest Committee who refuses to visit this issue. I > > challenge you to look up the results over the past two decades. Stations > > in the U.S Territories are never even mentioned no matter how well they > > have done in the ARRL 160 contest. > > > > Herb Schoenbohm, KV4FZ > > > > On Wed, Nov 28, 2018 at 3:57 PM Mark KØKX <[email protected]> wrote: > >> Herb, > >> > >> Correct me if I'm wrong but I thought I read the rules for the ARRL 160 > >> and saw where US possessions can work US VE and DX? > >> > >> 73, Mark K0KX > >> > >> ----- Original Message ----- > >> From: "Herbert Schoenbohm" <[email protected]> > >> To: [email protected] > >> Cc: "TopBand List" <[email protected]> > >> Sent: Wednesday, November 28, 2018 1:41:08 PM > >> Subject: Re: Topband: Polarization on 160m > >> > >> So is the 70-year-old Collins 74A4 with its mechanic filters and single > >> conversion method. Many times you could just roll the IX into a deep > hole > >> with the bandpass control and the signal would pop out of nowhere. Wish > I > >> still had mine to run comparisons. I have now a modern (expensive) Flex > >> 6600M that allows true dual diversity with 2 RX antennas with separate > RX > >> audio in each ear. I will try it out in the ARRL 160 contest although > the > >> ARRL has the VI as non-DX which is always has been a real bummer. > >> > >> Herb Schoneobhm, KV4FZ > >> > >> On Wed, Nov 28, 2018 at 1:13 PM Yuri Blanarovich <[email protected]> > wrote: > >> > >> > > >> > Speaking of "two ears" > >> > Going back to using two Drake R4B receivers, two antennas, one on each > >> > ear, there would be times when "two ears" heard the signal, while > >> > switching to each other there would be nil. I think that was some DSP > >> > going on in the head. > >> > BTW Drake R4B is still one of the best receivers for weak signals > >> > reception, no crystal filters in the path to fuzzy the signals. LC in > IF > >> > chain. DSRs are now very close. > >> > > >> > Yuri, K3BU > >> > > >> > On Wed, Nov 28, 2018 at 12:04 PM, Tree wrote: > >> > > >> > > WIll add my two cents to this discussion. > >> > > > >> > > One thing I have experience with is diversity reception both on 160 > >> > > and 80 > >> > > meters. Often - I would be using my TX antenna in one ear and a > >> > > beverage > >> > > in another. On 80 meters, the TX antenna was a 4 square. On 160, > >> > > either a > >> > > vertical or two element phased array. > >> > > > >> > > I found on 80 meters - when running JAs in a contest - if I only > used > >> > > one > >> > > antenna - I would almost always miss one letter of the JA's callsign > >> > > and > >> > > have to ask for a repeat... but with diversity - the signal would > >> > > float > >> > > around in my head and I could almost always get the whole call the > >> > > first > >> > > time. > >> > > > >> > > I can hear this effect on 160 as well as signals float around. I > >> > > can't > >> > > prove this is just polarization - as it could be different angles of > >> > > signal > >> > > arrival - but it sure re-enforces the point that having different > >> > > kinds of > >> > > RX antennas for different situations is never a bad thing. > >> > > > >> > > I have experienced some sunrise openings where a low dipole has > worked > >> > > well. There are times when my directive receive antennas seem to be > >> > > broken > >> > > - which is another indication of high angles. > >> > > > >> > > Tree N6TR > >> > > > >> > > On Wed, Nov 28, 2018 at 8:51 AM Yuri Blanarovich > >> wrote: > >> > > > >> > >> Not knowing about "gyros", but when operating and having vertical > and > >> > >> horizontal antennas available, I remember times when QSB was > >> > >> happening > >> > >> on one antenna, switching to the "other" polarization antenna would > >> > >> bring the signals up. > >> > >> My conclusion was that at the times the signal's polarization was > >> > >> rolling around, especially when far DX. > >> > >> > >> > >> Yuri, K3BU, VE3BMV, VE1BY > >> > >> > >> > >> > >> > >> On Wed, Nov 28, 2018 at 09:22 AM, Robert Parkes via Topband wrote: > >> > >> > >> > >>> > >> > >>> Polarization on 160m > >> > >>> > >> > >>> Interesting discussion and one I suspect we wish could fully > >> > >>> comprehend ! > >> > >>> > >> > >>> When the wave front meets the ionosphere and the wave splits the > >> > >>> critical frequency is different for the two waves, commonly known > as > >> > >>> foc and fxc. > >> > >>> This difference (from memory) is half the gyrofrequency and can > >> > >>> often > >> > >>> be seen on Ionosonde plots with two sets of reflections. The gyro > >> > >>> frequency depends on the strength of the magnetic field at that > >> > >>> point > >> > >>> of the ionosphere so can vary from 700kHz to 1.4MHz where the > >> > >>> radiated > >> > >>> wave interacts with the Ionosphere Layer be it, E layer or F > layer. > >> > >>> > >> > >>> Being radio amateurs and pushing the envelope we are trying to > make > >> > >>> that illusive QSO so we need to excite a propagation path which is > >> > >>> normally at the limit in order to chase the DX. > >> > >>> Assuming conditions are favourable, and if the angle of arrival > and > >> > >>> critical frequency is such that it favours both wave fronts then > for > >> > >>> a > >> > >>> single and multi-hop transmission both the O-wave and the X-wave > >> > >>> will > >> > >>> be propagated. > >> > >>> > >> > >>> The higher frequency of the two wave fronts, the X-wave may > >> > >>> propagate > >> > >>> which could result in a QSO whilst those around us may not have > >> > >>> quite > >> > >>> the same favourable conditions and only the O-wave is propagated > on > >> > >>> a > >> > >>> differeing path while the X-Wavecould fall by the wayside and not > be > >> > >>> propagated. > >> > >>> One result of all this variability could result in what has been > >> > >>> called spotlight or torchlight propagation. I recall Eric K3NA > >> > >>> giving > >> > >>> a talk along these lines when referring to 3B7C 160m operations > and > >> > >>> how that spotlight moved across North America during the course of > >> > >>> his > >> > >>> opening to the US. > >> > >>> There is a possibility that Circular Polarisation would assist > >> > >>> with both the O and X wave modes of propagation and it could be > >> > >>> argued > >> > >>> that a "compromise" Inv-L antenna provides this with its Vertical > >> > >>> and > >> > >>> Horizontal elements making up the antenna and resulting mixed > >> > >>> polarisation.After all a number of amateurs have had good success > >> > >>> with > >> > >>> an Inv-L. > >> > >>> > >> > >>> 73sBob ParkesG3REP(ex - S21YP, 4S7RPG, A45XF, VS5RP, P29PR) > >> > >>> _________________ > >> > >>> Searchable Archives: http://www.contesting.com/_topband - Topband > >> > >>> Reflector > >> > >>> > >> > >> _________________ > >> > >> Searchable Archives: http://www.contesting.com/_topband - Topband > >> > >> Reflector > >> > >> > >> > > _________________ > >> > > Searchable Archives: http://www.contesting.com/_topband - Topband > >> > > Reflector > >> > > > >> > _________________ > >> > Searchable Archives: http://www.contesting.com/_topband - Topband > >> > Reflector > >> > > >> _________________ > >> Searchable Archives: http://www.contesting.com/_topband - Topband > >> Reflector > > _________________ > > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
