Tag: field
Misure del campo EM con il Vector Field Analyzer di NSI-MI
Le prestazioni complessive dei sistemi e dispositivi wireless dipendono fortemente dalle prestazioni dell’antenna. Le moderne misurazioni delle prestazioni di un’antenna necessitano della valutazione del campo…
ARRL Field Day 2022: 500,000 Contacts Already Reported
2022 ARRL target=”_blank” href=”http://www.arrl.org/field-day” rel=”noreferrer noopener”>Field Day wrapped up nearly a week ago, and ARRL Headquarters has already received over 2,400 entries submitted via the online target=”_blank” href=”https://field-day.arrl.org/fdentry.php”…
New Rules Going into Effect this Year for ARRL Field Day
ARRL Field Day After taking a few detours over the past couple of years due to the COVID-19 pandemic, ARRL Field Day rules are being updated on…
Does 5 x Copper Rods Help my Antenna Field and Inverted L?
So I grounded the fence to the ground to help my Inverted L on 80m. WIll it make any difference? HUGE project this time –…
New Field Day van! Winter Field Day 2021
“Whilst everyone in the USA enjoys summer field day, us here in VK have battled through our VHF/UHF winter field day! We have a new…
E-FIELD Lighting Controller
In questo articolo della Rubrica Firmware Reload vi parlerò delle proposte innovative di Freescale per il dimming. Introduzione Citando la presentazione dell’E-Field Lighting Controller sul…
Safety for ARRL ham radio Field Day 2021
“Today we talk about Field Day safety, going through the ARRL field day safety checklist” Antenna Easily Check Your Antennas Tuning – VNA N1201SA /…
International Space Station to be in Cross-Band Repeater Mode for Field Day
The Amateur Radio on the International Space Station (ARISS) cross-band repeater will be available for ARRL Field Day, June 26 – 27. Contacts will count toward…
ISS repeater remaining on until after Field Day
The International Space Station crossband FM repeater should remain active until after the Field Day weekend of June 26-27. Amateur Radio on the International Space…
Receive Antennas, Contest University and Field Day
Contest University, Clubs, Field Day the DX Engineering catalog and receive antennas on this weeks episode of Tuesdays with Tim and Jeff! Antenna Alinco EDX-2…
Grounding and Bonding, Band Pass Filter and Field Day
On todays episode of Tuesdays with Tim, K3LR and Jeff, KB8ZWT we will discuss bonding and grounding and Band Pass Filters for Field Day! Antenna…
Ham Radio Off Grid | Winter Field Day 2021 AAR
Hello Operators Todays discussion, operating a portable ham radio station off grid, during winter field day 2021. Like many other ham radio operators, I operated…
Far field
Tutta una serie di considerazioni in merito ad antenne e relativi parametri si riferiscono al far-field, il campo lontano. È noto che in vicinanza dell’antenna…
AUXILIARY DISPLAY MAKES HAM RADIO FIELD OPERATIONS EASIER
As popular as the venerable Yaesu FT-817 transceiver might be with amateur radio operators, it’s not without its flaws, particularly in the user interface department….
Field Day 2020 is Shaping Up to be One for the Record Books
ARRL Contest Program Manager Paul Bourque, N1SFE, reported that ARRL has received more than 8,700 online Field Day entries by mid-week, and paper-only entries have…
ARRL Field Day 2020 & Flambeau River State Forest Activation – Ham Radio Q&A
“This year’s ARRL Field Day adventure had me camping in the Flambeau River State Forest located in Northwestern Wisconsin and running as a 1-Bravo station….
Sending an NTS Radiogram (Field Day) – Ham Radio Q&A
Antenna Status QUAD: 4/12 StQ 50/144 , cubic 4 elements 50 Mhz and 12 elements 144 Mhz March 13, 2018 No comments Simulation table Eznec,…
ARRL Contest Program Issues Field Day 2020 FAQ
The ARRL Contest Program has released some Frequently Asked Questions related to the Field Day temporary rule waivers. On May 28, the ARRL Programs and Services Committee…
K4SV Tower Trailer Setup Field Day 2020
Review Get Your First Look at the NEW Yaesu FTM-300DR June 06, 2020 No comments ** Available Late May 2020 ** The new FTM-300DR provides…
Temporary Rule Waivers Announced for 2020 ARRL Field Day
With one month to go before 2020 ARRL Field Day, June 27 – 28, the ARRL Programs and Services Committee (PSC) has adopted two temporary rule…
Field Day 2020 — A Time to Adapt
Many individuals and groups organizing events for Field Day 2020 have been contacting ARRL for guidance on how to adapt their planned activities in this unprecedented time…
Xiegu X5105 Field Test. MFJ-1979 Antenna, 5 watt POTA activation.
Antenna 2/2 (4) element 7/10MHz Yagi (3.9m) Force12 Antennas March 12, 2015 No comments Force12 Antennas – A super-compact dualband 7/10MHz WARC band Yagi…
20 Watts HF, Xiegu G90/Chameleon P-loop 2.0, Winter Field Day
Review Does Snow Affect Vertical Antenna Performance – Ham Radio Q&A January 24, 2020 No comments Read more Radioddity GA-510 10-Watt Handheld Review January 24,…
2020 Summer VHF/UHF Field Day Contest
“The 2020 VK Summer VHF/UHF Field Day, a ham radio contest was held on the weekend of January 18th and 19th. The contest is split…