By Stan Horzepa, WA1LOU
Contributing Editor
This week, Surfin’ explores the Internet world of online tools for Amateur Radio.
My maternal grandfather was a toolmaker. When he died, my father inherited my grandfather’s tool collection and added it to his own tool collection. When my father died, I inherited my father’s tool collection and my grandfather’s tool collection and added it to my own too…
American Radio Relay League | Ham Radio Association and Resources
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Solar activity declined again this week, with the average daily sunspot numbers dropping 17.8 points, from 78.9 to 61.1, while the average daily solar flux declined 19.4 points, from 121 to 101.6. Sunspot numbers for November 29-December 5 were 89, 67, 49, 43, 44, 58 and 78, with a mean of 61.1. The 10.7 centimeter flux was 113.1, 110.6, 101.7, 97.7, 96.6, 96.2 and 95.5, with a mean of 101.6. T…
American Radio Relay League | Ham Radio Association and Resources
Demo of the RS-BA1 remote control software package from Icom Part 1 demo’s the control panel software in local USB connection Part 2 demo’s the remote server setup & radio connection Part 3 demo’s LAN and Internet connection and overview of performance
German Contest Station DF5A in WAG-Contest 2012 on 10m band. Please select hd-quality in the settings and view in full screen mode. 73 de Torsten – DL9GTB
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Antenna Tuner MFJ 941 C Follow us at www.twitter.com See Appalachia where N4USA is located www.floydfolks.org http 1-540-808-2880 All about Voltage Standing Wave Ratio SWR – en.wikipedia.org All the Tuner theory you want to know – en.wikipedia.org MFJ Wikipedia en.wikipedia.org Subscribe to my Channel – www.youtube.com How to use an antenna tuner www.hamuniverse.com David started at age 8 building Using or teaching about electronic devices – that was 65 years ago. It started with a crystal radio then ham license at 14 yrs tinyurl.com , Navy electronics at 17ys , Field Engineer at 21yrs tinyurl.com , teaching ‘Electronics for Scientist’ at Virginia Tech at 29yrs , Director of ‘Foundation for Amateur International Radio Service’ (FAIRS) at 52 yrs and at 73 he is still busy with electronics. Collector of historical Microcomputers tinyurl.com & along the way David has small collection of tuners. This tuner minimizes the VSWR between the transmitter & the tuner- it does not reduce or change the VSWR in the feed line to the antenna, that is done by matching the feed line impedance at the antenna end of feed line. Many antennas have a matching network to couple the feed line to the antenna. A poor antenna & feed line is not improved with the tuner only power transfer is maximized – this works for receive and transmit – using impedance matching is always useful for maximum power transfer. Video produced by the LCF Group, LCF Group consist of David Larsen KK4WW, Gaynell Larsen …
Nominations are open until December 31, 2012 for the 2012 ARRL International Humanitarian Award. This award is conferred upon an amateur or amateurs who demonstrate devotion to human welfare, peace and international understanding through Amateur Radio. The League established the annual prize to recognize those radio amateurs who have used ham radio to provide extraordinary service to others in …
American Radio Relay League | Ham Radio Association and Resources
Buy from Amazon UK Site redirect.viglink.com?key=083bca13018b6acb381a415148cefb98&out=http%3A%2F%2Fwww%2Eamazon%2Eco%2Euk%2Fdp%2FB008AGTJ0I Product Description DVBT Digital TV Box Receiver Primary Function DVB-T digital TV receiver Specifications: Receiving frequency: VHF-H (174MHz~230MHz), UHF (470MHz~862MHz) Bandwidth: 8MHz Input level: -78dBm ~ -20dBm Input resistance: 75? Demodulator: – Wave: CODFM – Demodulation: QPSK, QAM16. QAM64 – Mode: 2K, 8K – Protection gap: 1/4, 1/8, 1/16, 1/32 – Code rate: 1/2, 2/3, 2/4, 5/6, 7/8 Video Decoding: – Standard: ISO/IEC 13818-2 MPEG-2 MP@ML – Video format: 4:3, 16:9 – Resolution: max. 720*576 Demultiplexer: – Standard: ISP/IEC 13818-1 – Max. input code current: 60Mbps (serial connection) / 7.5MBps (parallel connection) Audio Decoding: – Standard: ISO/IEC 13818-3 – Channel mode: left, right and stereo – Sampling frequency: 32KHz, 44.1KHz, 48KHz Microprocessor: SUNPLUS SPHE1002 Video Output: – Output system: 720 x 480 (NTSC) / 720 x 576 (PAL) – Output level: 1.0Vpp – Output resistance: 75? Video player format: AVI Audio player format: MP3 Speed Rating: 150 km/hr Antenna impedance: 50 ohm Working Temperature: -20 C to 70 C Humidity: 80% Media storage: USB flash drive (up to 16 GB) OSD Languages: English Certifications: FCC, CE The easiest way to receive digital TV in your car. This DVB-T digital TV box easily hooks up to your existing car DVD player so you can start receiving DVB-T digital TV signals in-car for maximum automobile …
Video Rating: 0 / 5
Four new poll questions have just been published on the QuickStats page on the ARRL website. Let your voice be heard!
Questions in this month’s QuickStats poll:
American Radio Relay League | Ham Radio Association and Resources
Here, TO2FH team celebrates the success of the dx-pedition with our local amazing host and friend DH1BL – Bruno and his friend Nathalie. We will miss you, certainly !!!
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Here you may watch PY2PT – Rick dealing with a rare period of bad propagation at 10m in SSB contacts.
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Some cool Yaesu images:
Okinawa Hi-Chew
Image by jpellgen
Pineapple and shikwasa (lime) Hi-Chew from Okinawa. The shikwasa lime is probably my all-time favorite flavor.
Yaesu Mall. Chiyoda, Tokyo.
Monster Hunter Shop
Image by jpellgen
Monster Hunter Portable recently came out in Japan, and everywhere I went people were playing it on their PSP. I guess it was so popular they needed to open a character shop.
Yaesu Mall. Chiyoda, Tokyo.
Whats in my Bag
Image by udt007us
Check out these ICOM images:
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Image by dougbutchy
Amateur radio HF mobile installation.
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Image by dougbutchy
Amateur radio HF mobile installation.
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Image by dougbutchy
Amateur radio HF mobile installation.
Check out these HF antenna images:
Hamfest Flag
Image by The Rocketeer
With HF antenna…
Buy from Amazon UK Site redirect.viglink.com?key=083bca13018b6acb381a415148cefb98&out=http%3A%2F%2Fwww%2Eamazon%2Eco%2Euk%2Fdp%2FB0098OEXKW Product Description Long Range Walkie Long Range Walkie Talkie Set3-5km Range2 Charging Docks2 Walkie Talkies110 Volt VOX FunctionManufacturer Specifications VHF frequency range (136-173.995MHz)UHF frequency range (400-469.995MHz)Stored 199 channelsCTCSS functionVOX functionMulti scan modeCalling functionPC programmableWired copy functionAlarm functionGroup program functionOutput Power: 5WCommunication Range: 3-5km+Antenna Impedance: 50 OhmsInter-Modulate Noise Assistance: Above 50dBPower Source: Rechargeable Ni BatteryCharging Station Power Supply: 110VTalk Time: About 3 hours of non-stop useCharging Time: 5 HoursMain product dimensions: 100 X 60 X 30mm (LXWXD)Main product weight: 190gWeight/dimension is for the main item of this boxed product, to help you compare product sizes before buying: please do not base your shipping calculations on this price – shipping prices depend on your cart contents, shipping destination, and shipping method: please use the checkout to select options and preview shipping price for your total order. Product Notes Note: This item works in countries with 110V only. For the 220v set please search for CVSB-J48-220V-2GENPackage Contents Rechargeable Battery Pack ×2Rechargeable Battery Pack ×2Antenna ×2Wrist strap ×2Carrying clip ×2English Manual
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Buy from Amazon UK Site redirect.viglink.com?key=083bca13018b6acb381a415148cefb98&out=http%3A%2F%2Fwww%2Eamazon%2Eco%2Euk%2Fdp%2FB003LRVV98 Product Description Mitex Security Additional The Mitex Licenced Two Way Radio Additiona Battery Pack Powerful 5 watt for increased range & clarity Up to 10km indoor use Up to 25km outdoor/open spaces Compact & durable Pre programmed and ready to use from the box Licence form included in the box Included in the box – 1 radio, 1 aerial, 1 charger, 1 belt clip, 1 wrist strap & 1 licence form.Unit Technical SpecificationFrequency range (Preset by Mitex) 403-470MHZNumber of channels (Preset by Mitex) 16CHSpan of channels (Preset by Mitex) 25KHZ / 12.5 KHZStep of channels (Preset by Mitex) 5, 6.25KHZWorking Voltage 7.2V DC +/- 20%Battery Lithium Battery (1100mHA)Working temperature 20? to +60?Frequency stability +/-2.5ppm (-20? to +60?)Antenna Impedance 50?Dimensions 52 x 28 x 100mm (not including bulge)Weight 200g (including Battery and antennaIf you are an individual, small business or club, one licence at £75 gives 5 years service for all the radios you own.
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A tornado warning (SAME code: TOR) is an alert issued by weather services to warn that severe thunderstorms with tornadoes may be imminent. It can be issued after a tornado or funnel cloud has been s… Tornado Warning – Wiki Article – wikiplays.org Original @ http All Information Derived from Wikipedia using Creative Commons License: en.wikipedia.org Author: Wx5uuh Image URL: en.wikipedia.org ( This work is in the Public Domain. )
By Stan Horzepa, WA1LOU
Contributing Editor
This week, Surfin’ urges readers to share their ham radio adventures by blogging.
Do you blog?
According to www.dictionary.com, a blog is “a website containing the writer’s or group of writers’ own experiences, observations, opinions, etc, and often having images and links to other websites.”
Many members of the ham radio community blog about what they a…
American Radio Relay League | Ham Radio Association and Resources
Some cool QSL images:
QSL Netherlands 1989
Image by Douglas Coulter
QSL Dubai 1989
Image by Douglas Coulter
QSL Phillipines 1988
Image by Douglas Coulter
