By Communications Manager Pickering radio amateur Phil Catterall, G4OBK talked to his local paper, the Gazette & Herald, about how he has been enjoying amateur radio for 40 years. Phil is a member of Scarborough Amateur Radio Society
Source:: RSGB
By Communications Manager ? John’s presentation The RSGB EMC Committee (EMCC) has been investigating VDSL interference since 2014. As the number of installations has risen to over 30M the interference level at amateur radio stations has also increased. The majority of radio amateurs are now impacted by this problem. In the May 2020 RadCom we outlined how to […]
Source:: RSGB
By qrznow
” There are a few famous hams in our ranks and this week I had the pleasure of speaking with Dr. Ulrich Rohde, one of the founders of Rohde & Swartz, one of the world’s foremost test and measurement equipment companies. Dr. Rohde was one of the pioneers of SDR and quoted from the DL35SDR page:
DJ2LR / N1UL, member of DARC Amateur Radio Club Munich South (C18) is recognized as one of the pioneers of SDR technology 35 years ago. In the 1970s DJ2LR was head of military equipment development at AEG/Telefunken in Ulm, where he was responsible for the construction of the AEG 6861 Manpack.
We’re excited to have received three excellent technical papers from Dr. Rohde, which he enthusiastically for wide distribution on QRZ. We’re honored to have him as a QRZ member and proud to serve these pages in support of his longtime service to all.
There are three papers. They are all in PDF format, attached to this article. They include:
We hope you enjoy these great references from Dr. Rohde.
73, -fred AA7BQ”
End-Fed HF antennas are becoming increasingly popular, especially for limited space applications, but how well do they really work? In this episode,…
“Wold River Coils has a new accessory for Silver Bullet 500 & 1000 coils called the UAFI or You Asked For It kit. The UAFI is a pair of exte…
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The post Great Technical References from N1UL, Dr. Ulrich Rohde appeared first on QRZ NOW – Ham Radio News.
Source:: QRZ Now
By qrznow
Germany’s amateur satellite organization AMSAT-DL has submitted a comprehensive proposal to the European Space Agency (ESA) for its Lunar Amateur Radio Transponder (LunART) lunar lander — a communications platform on the Large European Lander to support communication and payload experiments. AMSAT-DL’s Peter Gülzow, DB2OS, and Matthias Bopp, DD1US, say that a LunART (called “LunaART” in the AMSAT-DL proposal) would support direct communication with Earth via amateur radio, support university and student payloads and offer direct access to their experiments, and expand the reach of radio science. It could also provide backup communication capability and capacity during an emergency, or when the ESA network is busy.
The comprehensive radio platform would use the European frequency protocol of 2.4 GHz up and 10.45 GHz down (approximately 100 W), pioneered in the QO-100 satellite, the first geosynchronous amateur radio payload. The platform would also include a VHF/UHF transponder. AMSAT-DL would develop and build the necessary hardware and software and provide ground station support via the 20-meter dish at AMSAT-DL headquarters in Bochum, Germany. They envision developing a smaller ground station with an approximately 1-meter dish to support groups, including schools and universities. Low-power beacons would transmit on various frequencies from VHF (145 MHz) through SHF (up to 24 GHz or even 47 GHz), AMSAT-DL’s proposal says.
“This transponder would also be an ideal platform to develop new transmission schemes with novel modulation and coding techniques optimized for long-distance communications with the corresponding high latency (long delays),” AMSAT-DL said. “This would provide essential knowledge in preparation of a future Mars mission.” In addition, LunART could include the capability to transmit still or slow-scan television images and video to schools “from cameras attached to the lander monitoring the moon surface and perhaps the Earth in the background [which] would be ideal stimuli for getting school kids and STEM organizations further interested in space.”
The proposal is on open access at the ESA website and is now being evaluated. AMSAT-DL’s LunART follows the Lunar Amateur Radio Interaction Experiment (LARIE) proposal from Andy Thomas, G0SFJ. Both refer to weak signal modes and suggest the same frequency bands. Thomas said he welcomes LunART as a well-developed proposal and hopes ESA will support it as well. — Thanks to Southgate Amateur Radio News, AMSAT-DL, and ESA
SOURCE:ARRL
NEW FOR 2018! Following on from our successful LFA-Q compact quads, we are adding a more traditional looking quad to our range which boasts two of the…
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by Harry Lythall – SM0VPOI keep on and on about my little balcony and the antenna restrictions it imposes on my HF antennas. This project…
The hexagonal beam (or known by many as the hex beam) has become a wildly popular antenna. It is a directional antenna that provides great performance…
Yaesu‘s newest HF mobile radio has some cool new features, but leaves out other options of its predecessors. Let’s take a look at the radi…
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The new 14 bit SDR wideband receiver from the UK. I also include a 15 minute SDR primer https://www.sdrplay.com/rsp1a/ KEY BENEFITS __________________…
Features:i) Send Morse to, and receive Morse from, other users of the app. Restrict usage to your WiFi network, or allow full Internet connecti…
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Architecture of Radio Architecture of Radio is a neat app, showing you what the world of radio “would” look like, if you could see in the…
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We are very excited to offer this new mounting solution for the Kenwood TM-D710. It will also work with Kenwood TM-D700A TM-D700E TM-D710E. There are…
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The post AMSAT-DL Submits Lunar Lander Proposal to European Space Agency appeared first on QRZ NOW – Ham Radio News.
Source:: QRZ Now
By rsgb Tune in tonight for the third Tonight @ 8 webinar How to check for VDSL RFI by John Rogers, M0JAV. You can watch the live stream and ask questions on either the RSGB YouTube channel or the special Tonight @ 8 channel on the BATC website. You can find out more about all the webinars at rsgb.org/webinars and you can also watch […]
Source:: RSGB
By qrznow
Photo: John Anderson John Anderson (AJ7M), from Marysville, Washington on the air from home for the 2020 ARRL Field Day event, held June 27-28. Field Day is ham radio’s largest on-air annual event and demonstration.By Julianne Pepitone
Will the amateur airwaves fall silent? Since the dawn of radio, amateur operators—hams—have transmitted on tenaciously guarded slices of spectrum. Electronic engineering has benefited tremendously from their activity, from the level of the individual engineer to the entire field. But the rise of the Internet in the 1990s, with its ability to easily connect billions of people, captured the attention of many potential hams. Now, with time taking its toll on the ranks of operators, new technologies offer opportunities to revitalize amateur radio, even if in a form that previous generations might not recognize.
The number of U.S. amateur licenses has held at an anemic 1 percent annual growth for the past few years, with about 7,000 new licensees added every year for a total of 755,430 in 2018. The U.S. Federal Communications Commission doesn’t track demographic data of operators, but anecdotally, white men in their 60s and 70s make up much of the population. As these baby boomers age out, the fear is that there are too few young people to sustain the hobby.
“It’s the $60,000 question: How do we get the kids involved?” says Howard Michel, former CEO of the American Radio Relay League (ARRL). (Since speaking with IEEE Spectrum, Michel has left the ARRL. A permanent replacement has not yet been appointed.)
This question of how to attract younger operators also reveals deep divides in the ham community about the future of amateur radio. Like any large population, ham enthusiasts are no monolith; their opinions and outlooks on the decades to come vary widely. And emerging digital technologies are exacerbating these divides: Some hams see them as the future of amateur radio, while others grouse that they are eviscerating some of the best things about it……READ FULL ARTICLE
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The post The Uncertain Future of Ham Radio appeared first on QRZ NOW – Ham Radio News.
Source:: QRZ Now
AMSAT NEWS SERVICE
ANS-194
The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT, The Radio Amateur Satellite Corporation. ANS publishes news related to Amateur Radio in Space including reports on the activities of a worldwide group of Amateur Radio operators who share an active interest in designing, building, launching and communicating through analog and digital Amateur Radio satellites.
The news feed on http://www.amsat.org publishes news of Amateur Radio in Space as soon as our volunteers can post it.
Please send any amateur satellite news or reports to: ans-editor at amsat.org.
You can sign up for free e-mail delivery of the AMSAT News Service Bulletins via the ANS List; to join this list see: http://www.amsat.org/mailman/listinfo/ans
In this edition:
SB SAT @ AMSAT $ANS-194.01
ANS-194 AMSAT News Service Weekly Bulletins
AMSAT News Service Bulletin 194.01
From AMSAT HQ KENSINGTON, MD.
DATE July 12, 2020
To All RADIO AMATEURS
BID: $ANS-194.01
Due to the COVID-19 pandemic, the AMSAT office
is closed until further notice. For details, please visit
https://www.amsat.org/amsat-office-closed-until-further-notice/
On July 10, 2020, AMSAT President Clayton Coleman, W5PFG, sent the following letter to AMSAT members regarding legal expenses incurred during the 2018-2020 timeframe. The letter was co-signed by Dr. Tom Clark, K3IO, Martha Saragovitz, Keith Baker, KB1SF, Robert Bankston, CPA, KE4AL, Jerry Buxton, N0JY, Drew Glasbrenner, KO4MA, Dr. Mark Hammond, N8MH, Bruce Paige, KK5DO, and Paul Stoetzer, N8HM.
https://tinyurl.com/ANS-194-Letter
[ANS thanks the AMSAT Office for the above information]
AMSAT Vice President – Engineering Jerry Buxton, N0JY, posted the following update on HO-107 (HuskySat-1) on the AMSAT-BB:
While it is disappointing that the transponder did not see a longer period of use following the science missions, the overall HuskySat-1/HO-107 project and mission were quite beneficial for our
partner and for AMSAT. The HuskySat-1 team were able to command their satellite and experiments and receive the telemetry they sought, and AMSAT was able to work through the extensive process of making a new design for a “black box” radio module that can be integrated into a non-AMSAT spacecraft and fly in the space environment.
The LTM (Linear Transponder Module) on HO-107 worked for over three months after HuskySat-1 came alive following its deployment. The failure of the LTM came during or just after a period of full sun where LTM temperatures reached over 80 degrees Celsius.
While licensed and operated as an amateur radio satellite by AMSAT during the transponder use, there are some facts that set HO-107 apart from our Fox-1 CubeSats and other AMSAT satellites.
1. It’s not our satellite. We have no control and may not have any insight into how a partner actually uses the LTM. While we see the LTM temperatures and many of the other typical data fields that we downlink to FoxTelem regarding LTM health, data such as temperature of the host environment as well as other specific information like power and the state of the other systems in a host satellite may or may not be available to us. Whether LTM is operated within design limits is entirely up to the host.
The University of Washington HuskySat Labs team was very cooperative with us on this mission, however there are things regarding their mission that we do not know because they are processing and studying their data for use in their thesis and classes and preparing it for release in a specific way typical of such an institution today. AMSAT is generally more forthcoming with information about our missions but what we can and have said about this mission is determined by UW. That is really no different to certain aspects of our own missions. Most members are likely familiar with the vague wording I provide for some of our launch timelines and that is the result of the same thing, in the owner of the launch vehicle or LSP/APIC determining what we can say to the public and when.
2. HO-107 was the first ever use of a new product, the AMSAT LTM. The LTM idea was first put forth at the AMSAT leadership strategic planning meeting in 2017 and is now coming into availability for other non-AMSAT CubeSats to fly amateur radio on their mission.
HO-107 is the pilot production of LTM and was developed in partnership with UW HuskySat-1. It was the first CubeSat radio module designed and built by AMSAT for use in other host CubeSats, and UW was key in working with us through the design and processes needed to provide such a module. They did not buy it as, nor did we give it to them as an “off the shelf” product as we plan to for future LTM production. LTM was developed from the Fox-1E linear transponder design, and provided in a partnership with UW that started in November 2014 when we made an agreement with University of Washington to fly an amateur radio on their CubeSat mission. Overall, the HuskySat-1 team were quite happy with the telemetry and command performance even with the LTM anomalies showing up toward the end of their experiments. In the process of getting HuskySat-1 to orbit several students became interested in amateur radio, and we have already had preliminary
discussions of future joint mission plans.
The ability to provide more LTM to new and future partners will increase the number of orbiting satellites carrying amateur radio, at a low cost to AMSAT and the partner, keeping amateur radio in space even as we develop newer and more capable satellites. There is no doubt that HO-107 was a success in many ways beyond the operational life of the transponder.
As usual, the AMSAT Engineering team of volunteers deserve the praise for putting yet another amateur radio in space be it in our own satellite, or in a partner satellite!
[ANS thanks Jerry Buxton, N0JY, AMSAT Vice President – Engineering, for the above information]
AMSAT’s GOLF Program is about getting back to higher orbits, and it
all begins with GOLF-TEE – a technology demonstrator for deployable
solar panels, propulsion, and attitude control. Come along for the
ride. The journey will be worth it!
AMSAT-DL has submitted a proposal to the European Space Agency to place an amateur radio communications link on the Large European Lander. This system would support direct communication with earth through amateur radio frequencies in the microwave bands, support University and Student Payloads with direct access to their experiments, allow Radio Science for a huge community of radio amateur operators and scientists worldwide. It would also provide an important back-up communication capability and capacity during emergency or when the ESA network is busy.
More details can be found at https://tinyurl.com/ANS-LunART
AMSAT wishes our friends at AMSAT-DL the best of luck on their proposal. This would be a great resource for amateur radio should it come to fruition.
[ANS thanks AMSAT-DL for the above information]
In honor of Buffalo Soldiers Month and to commemorate the formation of the United States Army 9th and 10th Calvary Buffalo Soldiers Regiments the Texas Parks and Wildlife will take part of a worldwide amateur radio special event on July 25th – 26th, 2020. Transmissions will begin transmitting at 8am CST Saturday morning July 25 and will end 8pm CST Sunday July 26. Commemorative QSL cards and Certificates will be available (see the callsign W5W or W5B at the QRZ.com web site for QSL information).
Operations will be held on:
Voice 10, 15, 20, 40 and 80 meters
Digital FT8 on 20, 40 and 80 meters
CW on 20, 40 meters
Satellite
Listen for the FCC assigned callsigns: W5W or W5B
Shortwave Listeners (SWL) are encouraged to participate.
For those without amateur radio privileges to transmit or listen in, please join us Saturday July 25 at 1pm CST on Facebook Live, look for Buffalo Soldiers Program – Texas Parks and Wildlife, for participation and a chance at a special QSL Card and Commemorative Certificate.
For additional information about the Buffalo Soldiers legacy and an excellent video history about the Buffalo Soldiers with commentary from Judge Joe Green please visit www.qrz.com and enter W5W or W5B into the search box.
[ANS thanks Rudy Hardy, W5HRH, for the above information]
Purchase AMSAT Gear on our Zazzle storefront.
25% of the purchase price of each product goes
towards Keeping Amateur Radio in Space
https://www.zazzle.com/amsat_gear
Want to see AMSAT in action or learn more about amateur radio in space?
AMSAT Ambassadors provide presentations, demonstrate communicating through amateur satellites, and host information tables at club meetings, hamfests, conventions, maker faires, and other events.
Due to COVID-19, many hamfest and events around the United States have been canceled or postponed. While we make every effort to ensure the information contained below is correct, there may be some that we missed.
No events are currently scheduled. We wish all of you safekeeping and hope to be at a hamfest near you soon.
[ANS thanks Robert Bankston, KE4AL, AMSAT Vice President – User Services, for the above information]
Need new satellite antennas? Purchase Arrows, Alaskan Arrows,
and M2 LEO-Packs from the AMSAT Store. When you purchase through
AMSAT, a portion of the proceeds goes towards
Keeping Amateur Radio in Space.
https://amsat.org/product-category/hardware/
Quick Hits:
EM57 & EM67 (Saturday 7/11 & 7/12) N4DCW may also stop in EM58, passes posted on his QRZ page.
FN45 & FN46, VE2FUA, 7/12 & 7/13: Chris is heading out to a little known (to rovers at least) called Maine. Might want to get him while he is there.
DN44, 7/13 – 7/17, @N7AGF FM for sure may bring linear gear if it fits.
FM13 & FM03, 7/12 & 7/13, Wz4M is heading out Holiday Style
EN20/30 Line, July 28-31, KX9X : Sean is moving quickly towards his VUCC/R award by heading out again for two more grids. Watch his Twitter for details.
DM97/98 & EM08/09: Super Rover @ADoDX is heading out for the Kansas QSO party and N0E. More to come.
@WY7AA is heading out again!!!
Mon. 7/13 Drive day possible FM passes from DN63
Tues – Sat. 7/14 – 7/18 SSB and FM passes from DN64 Burgess Junction, WY. Some HF POTA K-4534 Big Horn National Forest
Sun. 7/19 Travel day no sats, but internet updates
Mon 7/20 SSB and FM passes from DN67/68. Every pass from about 16:00 – 04:00
Tues 7/21 SSB and FM passes from DN57/58. Every pass from about 16:00 – 04:00
Wed. 7/22 Travel day no sats
Thurs 7/23 SSB and FM passes from DN55/56. Every pass from about 16:00 – 04:00
Fri 7/24 SSB and FM passes from DN65/66. Every pass from about 16:00 – 04:00
Watch his QRZ page for details and updates.
Please submit any additions or corrections to ke0pbr@gmail.com
[ANS thanks Paul Overn, KE0PBR, for the above information]
Quick list of scheduled contacts and events:
Don Bosco Haacht Technisch en Beroepsonderwijs, Haacht, Belgium, Multi-point telebridge via AB1OC
The ISS callsign is presently scheduled to be NA1SS
The scheduled astronaut is Chris Cassidy KF5KDR
Contact was successful: Fri 2020-07-10 10:49:51 UTC 27 deg (***)
International Aerospace School, Ufa, Russia, direct via TBD
The ISS callsign is presently scheduled to be RSØISS
The scheduled astronaut is Ivan Vagner
Contact is go for Fri 2020-07-17 19:10 UTC
[ANS thanks Charlie Sufana, AJ9N, ARISS Operations, for the above information]
AMSAT, along with our ARISS partners, is developing an amateur
radio package, including two-way communication capability, to
be carried on-board Gateway in lunar orbit.
Support AMSAT’s projects today at https://www.amsat.org/donate/
+Congratulations to Kevin Manzer, N4UFO, on earning AMSAT GridMaster Award #12 for working all 488 continental US grids. Kevin notes that it took him just over five years, from 2013-2018, to accomplish this goal. More information regarding the GridMaster Award can be found at https://www.amsat.org/gridmaster/ (via KK5DO and N4UFO)
+F4DXV and R9LR have set another new satellite distance record – this time on LilacSat-2. The 4,561 km QSO occured on 10-Jul-2020 at 04:23 UTC. Records are listed at https://tinyurl.com/ANS-SatDist (via F4DXV and N8HM)
+An article about the first amateur radio communication system in lunar orbit, aboard LO-94, has been published at https://tinyurl.com/ANS-194-LO-94 (via BG2BHC on Twitter).
+Congratulations to KP4RV for being the first station in Puerto Rico to receive the VUCC Award on amateur satellites (via KF7R on Twitter).
+The European Space Agency recently published a how-to video regarding reception of ISS SSTV pictures. An ISS SSTV transmission is expected within the next few weeks in commemoration of the 45th anniversary of Apollo/Soyuz: https://youtu.be/HtC-BPcMruA
+All issues of The AMSAT Journal dating back to 2014 are now available to AMSAT members on AMSAT’s new membership portal. The 1969-2013 archive will be added at a later date. All editions of AMSAT’s Symposium Proceedings are also available for members If you’re a current AMSAT member, get logged on today. If you are not yet a member, consider joining today at https://launch.amsat.org/
+The 2020 edition of AMSAT’s Getting Started with Amateur Satellites is now available on the AMSAT store. A perennial favorite, Getting Started is updated every year with the latest amateur satellite information, and is the premier primer of satellite operation. The book is presented in DRM-free PDF format, in full color, and covers all aspects of making your first contacts on a ham radio satellite. The digital download is available for $15 at https://tinyurl.com/2020GettingStarted
+ The AMSAT Folding at home team continues to climb the rankings. Now in the top 900 of all teams at the time of this writing, the team has grown to 48 members with 67 active CPUs within the past 50 days and includes 12 members in the top 100,000 of all users. Alex Free, N7AGF, is our top contributor with over 159,000,000 points credited to AMSAT’s team. For more information about the Folding at home project and how you can contribute to scientific research, including the fight against COVID-19, see https://foldingathome.org/. AMSAT’s team number is 69710: https://stats.foldingathome.org/team/69710
/EX
In addition to regular membership, AMSAT offers membership in the President’s Club. Members of the President’s Club, as sustaining donors to AMSAT Project Funds, will be eligible to receive additional benefits. President’s Club donations may be made at https://tinyurl.com/ANS-PresClub.
Primary and secondary school students are eligible for membership at one-half the standard yearly rate. Post-secondary school students enrolled in at least half time status shall be eligible for the student rate for a maximum of 6 post-secondary years in this status.
Join AMSAT today at https://launch.amsat.org/
73 and remember to help Keep Amateur Radio in Space,
This week’s ANS Editor,
Paul Stoetzer, N8HM
n8hm at amsat dot org
Source:: AMSAT-NA
By RSGB General Manager Papers on a variety of topics by a team of RSGB volunteers are now available for the IARU-R1 Virtual Conference in October. HF-UHF Modernisation and the WRC-23 challenge in the 23cm band all feature https://conf.iaru-r1.org/part-1/documents/ The full set of IARU papers is due by early August.
Source:: RSGB
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