Next Events
June Monthly Meeting
June 12, 2025 – 6:30pm
This meeting is in-person and Zoom.
Social, Pizza, and ELMER hour starts at 5:30pm.
In person location is:
Scouting America
9700 SW Nimbus Ave
Beaverton, OR 97008
Google Map Link: https://maps.app.goo.gl/QmFMEUfSVgZa29pw6
Meeting Topic
Microwaves in Ham Radio – Bob Grange – KK6WLU
The presentation explores the development and contributions of microwave technology in amateur radio, particularly at the 10GHz frequency. It covers historical milestones, pioneering achievements, and the impact of atmospheric phenomena on signal transmission. Key topics include the invention of the cavity magnetron, early equipment setups, significant experimental contacts, and advancements in microwave communication techniques. The presentation also delves into atmospheric phenomena like super-refraction, troposcatter communication, and auroral propagation, highlighting their effects on signal transmission and long-distance communication.
Bio
KK6WLU, Radio amateur license holder originally radios amateur exam from the UK. Currently active in television techniques for radio amateur using frequencies above 70cms, up to 10GHz. Project startup, software defined radio for ATV-FM and NTSC transmissions on 426.25MHz and 1257MHz. MIMO antenna design single feed antenna 70cm in combo with 23cms solid state RF beaming for satellite tracking. IC-905 Radio with Ku, X, L bands for ATV-FM, 70cm, 2meters, Star network digital. Currently working to revise the Portland TV network on 426.25 MHz and 1257 MHz – TV Channels 53 to 58 CATV spectrum channel raster, are NTSC analog. Current working with SDR Hack One RF, for digital TV, DBV-T2 or DBV-S, Raspberry Pi-5
Zoom Registration Link
https://us02web.zoom.us/meeting/register/tZcpcu2qrzkjHNIzuL6IbA_Uyw61vbl5yBe8
Summer Field Day
PARC will participated in the 2025 ARRL summer field day. Join us and practice your emergency communications skills by helping setup the stations and operating through the 24 hour event. More information is here. https://w7lt.org/fieldday
Donate to the club
We sincerely appreciate your support! PARC is a 501(c)3 (nonprofit) organization and donations are tax deductible.
Join the club
Starting at $20/year, Portland Amateur Radio Club membership is one of the best deals in amateur radio.
Events
Find out about our upcoming events.
History of PARC
Portland Amateur Radio Club (PARC) has been serving the amateur radio community and the City of Portland, Oregon, since 1941.
The club call is W7LT.
Weekly Net
Join our weekly net, every Tuesday night at 7:00 pm on 146.84 MHz.
PARC groups.io
Given the many online radio forums currently available to PARC members we no longer use groups.io for club announcements and we will slowly phase these groups out. For now, they are still accessible for members who have joined them. Please be sure to subscribe to our email list below to receive all announcements.
YouTube Channel
Many of our monthly meetings and Beginner Ham Radio meetings are available on the PARC YouTube Channel. Check them out here.
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