Re: Topband: 160m Band opening phenomena

2020-12-16 Thread Don Kirk
Hi Dave, And here in the midwest (Indiana) it was really dead early this morning an hour or two before EU sunrise. I spotted DL5AXX who was peaking 6 dB above my noise floor at most at 0623 UTC, and no other EU stations heard as I recall, it was just dead. Don (wd8dsb) On Wed, Dec 16, 2020 at 1

Re: Topband: Rogers dipole

2020-12-16 Thread FZ Bruce
Hi Guy, Some of it is high ground penetration on low frequencies. Dipole height above 'real conducting' ground can be a lot in some locations 73Bruce-K1FZ -From: "Guy Olinger K2AV" To: "Richard McLachlan" Cc: "topband" Sent: Wednesday December 16 20

Re: Topband: Rogers dipole

2020-12-16 Thread Guy Olinger K2AV
I don’t at all doubt Roger’s reports. The grind comes when others attempting Roger's successful methods report terrible results. There is clearly something going on not at all well understood. There are some number of reasons why it is nearly impossible to draw universally reproducible conclusions

Topband: West Coast QRM on 1836 kHz

2020-12-16 Thread Tree
Hi all - Just an update on the spur from KOPB's spur on 1836-1837 kHz. It appears to be fixed. I was hearing it last last week, but hadn't heard it for a few nights in a row. I checked in with the station engineer and they then advised that they were able to hear the signal just as described, a

Re: Topband: 160m Band opening phenomena

2020-12-16 Thread Artek Manuals
Here in Florida in the evenings we get a fairly consistent opening to Europe it begins about 1 hour BEFORE local Sunset (2215Z) , Peaks about 1/2 hour before Sunset and then all but dies out on most nights by 15min after official sunset. Later around 0200Z things slowly build back up till aroun

Re: Topband: 160m Band opening phenomena

2020-12-16 Thread Kees Nijdam
Nothing wrong with conditions. Yesterday afternoon I worked K9FD in Hawaii and this morning the west coast and WL7SJ. Good propagation to Japan also. Kees, PE5T Verzonden vanuit Mail voor Windows 10 Van: Roger Kennedy Verzonden: woensdag 16 december 2020 13:12 Aan: topband@contesting.com Onderw

Topband: 160m Band opening phenomena

2020-12-16 Thread Roger Kennedy
Well Bob my own experience these days when working NA stations is that the peak occurs at least 3 hours after Sunset and at least 3 hours before Sunrise. (and that is obviously not a Tropical path) Years ago there was definitely a peak both at their Sunset and our Sunrise, typically around 10dB

Topband: 160m Band opening phenomena

2020-12-16 Thread Robert Parkes via Topband
Band opening times.Roger G3YRO recent comments on band openings got me thinking about my experiences many years ago: Sunrise and Sunset band path propagation enhancement has been well reported over many years to the point ITU  says it can be 6-10dBs.When operating from tropical latitudes I used