APRS
For those unaware, APRS is the Automatic Packet Reporting System, a VHF packet radio network, primarily on 144.39 MHz in the US and Canada, that is used for tracking moving objects (and people), texting, and a great deal more.
Recent Posts
Surprise Operation from North Korea; More Possible in February
Polish DXer Dom Gryzb, 3Z9DX, made a surprise on-air demonstration of amateur radio for officials in North Korea in mid-December and was planning to r... Read more
HQ4W Tigre Island NA-060 & H76W Farallones de Coseguina NA-212
Tigre Island Dan HR2DMR informs DxCoffee Readers: “Am writing this e mail to you to let you know about my next IOTA DXpedition. This week and next mon... Read more
Working QRP – LDG Z817 Tuner Review
A hands on look at the LDG Z817 Autotuner with a QRP contact at Foymount Ontario. <span style=”color: #000000; font-size: 14pt;”>T... Read more
November Frequency Measuring Test Results Reported
The results are in, and more than 90 submitted entries for the November 3 running of the Frequency Measuring Test (FMT). Thirty stations were able to... Read more
There is a new release of Win4IcomSuite
There is a new release of Win4IcomSuite. This release now supports the SDRPlay RSPDX and has an IQ Output with the SDRPlay for feeding into CWSkimmer.... Read more
FCC and OSHA Release Communications Tower Best Practices Guide
The FCC and OSHA have announced the release of a free publication, Communications Tower Best Practices Guide. While aimed more at those who tend comme... Read more
REVIEW OF NOBU’S HF UPCONVERTER, GALVANIC ISOLATOR AND 14 MHZ LOW PASS FILTER
” Back in April we posted about some new products made by Japanese RTL-SDR experimenter and product manufacturer Nobu. Nobu’s new product... Read more
How To Make a Doublet Antenna for Ham Radio – No Talking – ASMR style
How To Make a Doublet Antenna for Ham Radio – No Talking – ASMR style Read more
Ham radio operators could play important role in potential Hurricane Florence disaster
WEST CHESTER, Ohio – In the era of cell phones and the internet, oftentimes the aftermath of a hurricane can include a catastrophic loss of comm... Read more
GNU RADIO CODE FOR ANDROID NOW RELEASED
Supports the most recent version of GNU Radio (v3.8). Supports 32-bit and 64-bit ARM architectures (i.e., armeabi-v7a and arm64-v8a). Supports popular... Read more
SunSDR2DX + 5MContest + SDC in ARI-2021 Contest
Mix CW + RTTY in ARI-2021 Contest. SDC: Telnet Server + SKM Server (CW & RTTY Skimmers) + DIGI Server (RTTY) Read more
An Introduction to the AMSAT GOLF Program
Expected launches: TBD. GOLF-TEE NET 1Q 2021. GOLF-1 NET 4Q 2021 Originally, The FOX program consisted of two basic components. Fox-1 was conceived... Read more
First Amateur Radio Satellite Contact via AO-85
K5ACL making his first Amateur Radio satellite contact today with KG5CCI on the AO-85 satellite.Setup included the Kenwood TM-V71A (10 watts) with the... Read more
SDRPlay RSP-1A VS Airspy HF+
“Comparing reception of two popular SDR Receivers using the same antenna at 5 PM local time. Short wave and medium wave frequencies. Using the s... Read more
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