Sparks's Journal

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2025 10GHz and Up Contest - Round Two

This is the second weekend of the ARRL 10GHz and Up contest. The first weekend was spent on Block Island, Rhode Island, with Dale AF1T and Micky W1MKY. This weekend was spent much closer to home.

Chincoteague, Virginia - FM27hv

Saturday was busy with other activities, but I met up with …

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Multiplexers for HF

Most hams are aware of, and might use, a duplexer or triplexer on their VHF and UHF radios. Being able to share a multiband antenna with multple radios of different bands is certainly a plus when you have limited real estate on a vehicle or even at home. But did …

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2024-10-13 - Activating Lambs Knoll

What a great day to get out on the trails, find a summit, and see who can hear you. E and I ventured out to South Mountain State Battlefield, near Frederick, Maryland, and hiked up the Appalachian Trail about a mile to the Rocky Run Shelters where we camped Saturday …

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Activating Whiteface Mountain

We stopped by Whiteface Mountain (SOTA W2/GA-003) on our last day in New York, on the way to Vermont. I was hoping this summit would have great views and would be a great place to activate the VHF+ bands for SOTA and POTA. I was not disappointed.

The mountain …

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APRS SATCOM base antennas

Years ago, Bob Bruninga, WB4APR, talked about a "good" antenna for APRS SATCOM applications.  It was a 19-inch vertical antenna that would function on both the 2m and 70cm bands, and had lobes that were up around the 30-degree mark.  Looking for information on that antenna last night I found …

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APRS Golden Packet Event 2017

Since 2016 a few friends and I have been participating in the APRS Golden Packet Event which is held every year on the third Saturday in July.  The main objective of the event is to build an ad-hoc APRS network along the Appalachian Trail and pass the "golden packet" from …

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A response to 'Strong Encryption and Death'

I recently read an article on the TriLUG blog mirror discussing access to data after the death of the owner. I've also given this a lot of thought as well and had previously come to the same conclusion as the original author of the article has:

"I created a file …

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1,000+ MPW award... finally!

SKCC 1,000 Miles per Watt Award 2000 MPWA few months ago I reported that I had achieved the 1,000 miles per watt SKCC award only later to find out that my radio was putting out 7 watts instead of the 0.1 watts I thought it was putting out.  After sending the radio off for repair …

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RFC: Using video conferencing for GPG key signing events

A thought that I haven't had a chance to fully consider (so I'm asking the Internet to do that for me)...

I have a geographically-diverse team that uses GPG to provide integrity of their messages.  Usually, a team like this would all huddle together and do a formal key-signing event …

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ARRL Sweepstakes contest and LoTW

The ARRL Sweepstakes contest (phone) took place last weekend and I spent a few hours on the air making a few contacts. Although I didn't have much time to spend on the event I did add twenty new contacts to my log. Since I'm working on my WAS from my …

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