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International Ham Radio News & Opinion
31 August 2022 | by Russ K5TUX | Leave a Comment ( 0 )
28 August 2022 | by Colin M6BOY | Leave a Comment ( 0 )
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KB6NU’s “No Nonsense” amateur radio license study guides have helped thousands get their Tech license or upgrade to General or Extra. They can help you, too! And, the PDF version of the Tech study guide is still FREE!
SkyBridge Plus dual band digital hotspot supports DMR, D-star, Yaesu System Fusion (YSF), and NXDN radios with several cross mode options.
Super-elastic dual band 2 meter / 70 cm HT antenna . Hand-made, ultra lightweight, and nearly indestructible.
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26 August 2022 | by Russ K5TUX | Leave a Comment ( 1 )
24 August 2022 | by Steve VE7SL | Leave a Comment ( 0 )
' CLE 's are ' C o-ordinated L istening E vents, and NDB DXers around the world focus their listening time on one small slice of the NDB spectrum.
When tuning for NDBs, put your receiver in the CW mode and listen for the NDB's CW identifier, repeated every few seconds. Listen for U.S. NDB identifiers approximately 1 kHz higher or lower than the published transmitted frequency since these beacons are modulated with a 1020 Hz tone approximately.
• determine, worldwide, which beacons are actually in service and on-the-air so the newly-re-vamped Rxx online database can be kept up-to-date • determine, worldwide, which beacons are out-of-service or have gone silent since the last CLE covering this range • will indicate the state of propagation conditions at the various participant locations • will give you an indication of how well your LF/MF receiving system is working • give participants a fun yet challenging activity to keep their listening skills honed Final details can be found at the NDB List website , and worldwide results, for every participant, will be posted there a few days after the event. The NDB List Group is a great place to learn more about the 'Art of NDB DXing' or to meet other DXers in your region. There is a lot of good information available there and new members are always very welcome. As well, you can fol low the results of other CLE participants from night to night as propagation is always an active topic of discussion. You need not be an NDB List member to participate in the CLEs and all reports, no matter how small, are of much value to the organizers. Remember - 'First-time' logs are always VERY welcome! Reports may be sent to the NDB List Group or e-mailed to CLE co-ordinator, Brian Keyte (G3SIA), whose address appears above. If you are a member of the group, all final results will also be e-mailed and posted there. Please ... give the CLE a try ... then let us know what NDB's can be heard from your location! Your report can then be added to the worldwide database to help keep it up-to-date. Have fun and good hunting!
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Hello and welcome to the 479th installment of Linux in the Ham Shack. After the discussion in the last episode where the hosts settled on Pop!_OS as the "best" Linux distribution, they decided to take a hard look at it and figure out what's good, what's usable and what needs improvement. We hope you find this episode enjoyable and if you have some time and free hard disk space, give Pop!_OS a whirl.
In this episode, Martin Butler (M1MRB) is joined by Frank (K4FMH), Chris (M0TCH) and Martin (M0SGL) to discuss the latest Amateur / Ham Radio news. Colin (M6BOY) rounds up the news in brief and in the episode's feature FT8 as a Messaging Network.
We would like to thank our monthly and annual subscription donors for keeping the podcast advert free. To donate, please visit - http://www.icqpodcast.com/donate
AmateurLogic celebrates 17 years on October 15, 2022 and you could be a winner. Check out the details at amateurlogic.tv/contest .
Ham College episode 92 is now available for download .
Extra Class Exam Questions – Part 30. E7A Digital circuits: digital circuit principles and logic circuits, classes of logic elements, positive and negative logic, frequency dividers, truth tables.
New Icom IC-905 VHF/UHF/SHF SDR transceiver – 144MHz to 10GHz Originally dubbed Project SHF, the new IC-905 sports a control unit based on the portable IC-705. QRPblog
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QRZ New Ham Jumpstart Program The program will provide a new Ham welcome package, including a free HT, to eligible applicants. QRZ.com
Solid-stating old tube gear Look at that. Well, maybe some of you shouldnt. SolderSmoke Daily News
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Nuclear power plant exercise includes ARES The drill was practice for the federally judged exercise scheduled for September. ARRL
Huntsville Hamfest 2022 We will walk the floor, check out some vendor areas, and the flee market. Tank Radio
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Integrated Circuit Manufacturing At Bell Labs (1983) This classic 16mm Bell Labs film shows every step of the manufacturing process for integrated circuits. Fran Blanche
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It's time once again for The Weekender. This is our departure into the world of hedonism, random topic excursions, whimsy and (hopefully) knowledge. Thanks for listening and, if you happen to get a chance, feel free to call us or e-mail and send us some feedback. Tell us how we're doing. We'd love to hear from you.
Time marches on and once again, it's CLE time. This is an opportunity for you to discover the KIWI SDR online network and to put it to use for hunting NDBs ... either close to you or on the other side of the world!
For example, ' AA ' near Fargo, ND, transmitted on 365 kHz and its upper sideband CW identifier was tuned at 366.025 kHz while its lower sideband CW ident could be tuned at 363.946 kHz. Its USB tone was actually 1025 Hz while its LSB tone was 1054 Hz. Often, one sideband will be much stronger than the other so if you don't hear the first one, try listening on the other sideband. Canadian NDBs normally have an USB tone only, usually very close to 400 Hz. They also have a long dash (keydown) following the CW identifier. All NDBs heard in North America will be listed in the RNA database (updated daily) while those heard in Europe may be found in the REU database . Beacons heard outside of these regions will be found in the RWW database . From CLE organizers comes the following CLE info:
Hello all Here are the final details for our special 283 rd listening event which starts this coming Friday.
Joachim and I are grateful for the questions, suggestions and help in the last few days. Thanks also to Martin, who has made some changes that improve the way RWW handles logs that have been made at remote receivers.
Days: Friday 26 August - Monday 29 August
Times: * Midday on Friday to * Midday on Monday,
local time at your chosen REMOTE RX QRG: Normal LF/MF frequencies (190 - 1740 kHz)
NDBs: A MAXIMUM of 100 normal NDBs (not DGPS, Navtex, Amateur, .. ) (That’s not intended to be a target to reach!) Please check that you will be following the help given in the Early Advice, sent last Saturday, and in the later contributions to the List.
Send your CLE log to the List, preferably as a plain text email (not in an attachment) with ‘CLE283 FINAL’ in its subject line.
Please show on EVERY LINE of your log:
# The date (e.g. '2022-08-27' or just the day no. '27') and UTC*
# kHz ( The beacon's nominal published frequency)
If you don’t know it, please visit https://rxx.classaxe.com where you will find all the details.
*UTC is the same everywhere of course - but
*Midday local time can always be checked from your browser by entering e.g. time timbuktu (try it now!)
Show those main items FIRST on each line, before other optional details such as Location, Distance, etc. If you send any interim logs during the event, please also send your 'FINAL', complete one.
Please make your log interesting to everyone by giving details of the listening location and brief details of the receiver there that you were using.
We will send the usual 'Any More Logs?' email at about 19:00 UTC on Tuesday so you can check that your log has been found OK.
Do make sure that your log has arrived on the List at the very latest by 08:00 UTC on Wednesday 31 August. We will then hope to complete making the combined results within two or three days.
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Here is additional information to help you in CLE283:
Please be aware that, because most of the available Web-SDRs can be shared with a number of other users, there may occasionally be a need to wait your turn to use a particular one.
If you plan to participate in our upcoming CLE, you c an use any one remote receiver for your loggings, stating its location (and web-address if possible) and with the owner’s permission if required.
You may NOT also use another receiver, to make further loggings for the same CLE.
Here’s a list of what can be found on the internet and there are definitely many more .
Kiwi receiver map : http://rx.linkfanel.net/
The KiWi-receivers are amongst the most popular web-controlled remote-receivers and there are many of them to explore all over the world.
Simply select a receiver from the map and it will start playing.
The KiWi-software is easy to use. For beacon hunting I found that it is best to switch to CW mode, fully zoom in and set the bandwidth to about 40 Hz by dragging the left and/or right side of the bandwidth indicator until the bandwidth suits your needs.
Type “h” or “?” to see a list of keyboard shortcuts. Also a right-click in the waterfall or frequency scale will bring up a Kiwi-specific menu.
WebSDR receiver List and map : http://www.websdr.org/
You can select a receiver from the list by clicking on the displayed link. However, you should make sure it supports the desired frequency band by observing the information in column “Frequency Range” because not all receivers do support the NDB-Band.
However, the wide band web-sdr at the University of Twente does and it is, by far, the most popular receiver using the websdr-software.
There’s also a search box near the top of the page allowing you to specify the frequency range.
To access the receivers-map, you have to scroll all the way down to the bottom of the web page.
Clicking on the icon for a particular receiver displays an info-box which shows the available frequency ranges as well as a link to start the receiver.
GlobalTuners provides access to remotely controlled radio receivers all over the world.
You can tune the receivers to listen to any desired frequency band.
Be aware that this webpage requires a login to access any of the available receivers.
Also, for most of the receivers, listening time has been limited by the operators.
You can use Simon Brown’s marvelous software SDR-Console to listen to a huge number of remote receivers.
Simply download SDR-Console from https://www.sdr-radio.com/download#Release and install it on your PC.
Once the radio selection screen is displayed upon start of the software, select tab “Server”, click on button “Definitions”, click on “Search” and select “V3 Server”.
Then click on button SDRSpace.com and select a receiver from the list.
E ach Perseus Receiver comes with a server module which allows sharing of this Rx via the internet.
You can select those receivers via the Perseus server-map : http://microtelecom.it/map/ServersMap.html
However, this requires a Perseus SDR and the Perseus Software to be installed on your pc.
Please be aware, that listening to a Perseus server needs some forwarding of TCP/UDP-Ports in your firewall.
Please refer to the manual (Client-Server Perseus Software Reference - EN02.pdf) which comes with the Perseus software for more information.
This webpage provides a good start if you are searching for a web-receiver.
OpenWebRx is a clone of the “Kiwi SDR-Software” and allows to put all kinds of SDR receivers on the internet using a small Linux PC like the RaspBerry Pi.
Here is some additional advice from Martin Francis, the designer of the RWW database:
And remember, if you are using a radio in Australia for example - choose RWW as your system; if your receiver is in Europe REU will be your choice; if it's in the Caribbean, you will choose RNA.
You can use the filtering capabilities in the RXX system to give you likely targets - so if that remote radio is in New Zealand, you can show signals that have been heard IN New Zealand.
And if the radio you choose is already in the RXX system, you can go to 'Personalise' and select that actual radio to see distances and bearings to each station in your targets list.
If you submit logs from a location NOT already listed in RXX, please include as much info as you can to help our admins get your logs uploaded and create a new profile for that location.
Please include the specific URL (website address) used to access the radio, together with the receiver owner's callsign if they have one, and the town, state / province (if it has one), country, timezone and Grid square.
Also include the location YOU remotely operated the radio from (YOU are the OPERATOR in this scenario), especially if you haven't submitted a log before.
These listening events serve several purposes. They
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Amateur radios (also known as HAM radios) require a special amateur license to use but offer
some advantages over GMRS radios for
certain uses. Amateur radios are used for general communications among hobbyists, are great for
emergency use, and the equipment is typically better quality than average GMRS radios.
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Amateur Radio (ham radio) is a popular hobby and service that brings people, electronics and communication together. People use ham radio to talk across town, around the world, or even into space, all without the Internet or cell phones. It's fun, social, educational, and can be a lifeline during times of need.
You can set up a ham radio station anywhere! In a field...
Although Amateur Radio operators get involved for many reasons, they all have in common a basic knowledge of radio technology and operating principles, and pass an examination for the FCC license to operate on radio frequencies known as the "Amateur Bands." These bands are radio frequencies allocated by the Federal Communications Commission (FCC) for use by ham radio operators.
Amateur Radio is part of the storyline in the ABC television series Last Man Standing, starring Tim Allen. Read More
Amateur Radio operators come from all walks of life -- doctors, students, kids, politicians, truck drivers, movie stars, missionaries and even your average neighbor next door. They are of all ages, sexes, income levels and nationalities. Whether through Morse Code on an old brass telegraph key, voice communication on a hand-held radio or computerized messages transmitted via satellite, all hams use radio to reach out to the world.
Find out what you can do with ham radio!
You can communicate from the top of a mountain, your home or behind the wheel of your car, all without relying on the Internet or a cell phone network You can take radio wherever you go! In times of disaster, when regular communications channels fail, hams can swing into action assisting emergency communications efforts and working with public service agencies. For instance, the Amateur Radio S
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