Video: Solar Cycle 25 Expectations in 2026 and beyond... by Carl, K9LA... ei7gl.blogspot.com/2026/02/vide...
Video: Solar Cycle 25 Expectations in 2026 and beyond... by Carl, K9LA... ei7gl.blogspot.com/2026/02/vide...
WQ2XDM - New US experimental callsign for radio propagation tests at 40 MHz & 70 MHz... ei7gl.blogspot.com/2026/02/wq2x...
Frequency Measurement Tests in Europe - Feb 2026... ei7gl.blogspot.com/2026/02/freq...
VK3OT reports that there was an opening on the 50 MHz (6m) band between Europe and Australia on Sun 1st Feb 2026... ei7gl.blogspot.com/2026/02/open...
145 Alive activity periods in 2026... ei7gl.blogspot.com/2026/01/145-...
DL0IGI 10m beacon in Germany heard via Auroral-E - 19th Jan 2026... ei7gl.blogspot.com/2026/01/dl0i...
Looking back at 1981 and the reception of BBC TV audio on 41.5 MHz in Texas... ei7gl.blogspot.com/2026/01/look...
Summits on the Air Challenge for 2026 - 2m/70cms SSB/CW... ei7gl.blogspot.com/2025/12/summ...
End of the road for the International Reply Coupon (IRC)... ei7gl.blogspot.com/2025/12/end-...
2225 km opening on the 70cms band from Madeira Island to Ireland - Oct 2023... ei7gl.blogspot.com/2025/12/2225...
10m QRSS Challenge: - K4BYN & KQ9RSS in the USA - 1st December 2025... ei7gl.blogspot.com/2025/12/10m-...
Digital Amateur TV experiment between Belgium and Greece on the 29 MHz band - Nov 2025... ei7gl.blogspot.com/2025/11/digi...
FM radio stations on 79 MHz from Brazil are heard in Portugal - 19th Nov 2025... ei7gl.blogspot.com/2025/11/fm-r...
Spain allows radio amateurs access to the 40 MHz band for another 18-months... ei7gl.blogspot.com/2025/11/spai...
Norway 145 Alive event gets off to a flying start - 1st Nov 2025... ei7gl.blogspot.com/2025/11/norw...
National Broadcaster in Spain to close its AM network on Medium Wave at the end of 2025... ei7gl.blogspot.com/2025/11/nati...
Leave it with me. I presume your email address on QRZ is ok.
There is a section in Chapter 6 about interdigital filter designs for 1296 & 2304 MHz. Let me know if that's of interest.
Notice: Upcoming HAARP ionospheric tests from Alaska - 17th to 22nd Nov 2025... ei7gl.blogspot.com/2025/11/noti...
A very basic overview of Polar Modulation and the implications for Amateur Radio... ei7gl.blogspot.com/2025/11/a-ve...
Opening on the 40 MHz (8m) band between the UK and Australia - 8th Nov 2025... ei7gl.blogspot.com/2025/11/open...
Improving conditions on 28 MHz at the equinox - Sept 2025... ei7gl.blogspot.com/2025/09/impr...
The last print edition of the World Radio TV Handbook will be in 2026... ei7gl.blogspot.com/2025/09/the-...
It looks as if Ireland's first satellite EIRSAT-1 re-entered the atmosphere sometime around 16:00 UTC on the 4th of Sept 2025... ei7gl.blogspot.com/2025/09/irel...
10m QRSS Challenge: - DL3PB in Germany - 12th August 2025... ei7gl.blogspot.com/2025/08/10m-...
Update: The LongChat Activity Periods for 2025 are the first Saturday and Sunday of every month... ei7gl.blogspot.com/2024/11/long...
On the 20th of July 2025, I 'saw' my 28th QRSS signal on the 28 MHz band (ON4CDJ)... ei7gl.blogspot.com/2025/07/10m-...
Notice: Upcoming HAARP ionospheric tests from Alaska - 23rd & 24th July 2025... ei7gl.blogspot.com/2025/07/noti...
Nice short skip Sporadic-E opening on 28 MHz today with these three QRSS signals coming in from the east coast of England... ei7gl.blogspot.com/2025/07/10m-...
New 144 MHz beacon in Maine is beaming towards Europe - July 2025... ei7gl.blogspot.com/2025/07/new-...