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Dan Gillenwater
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K9SLY United States

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My Ham Radio Interests
My involvement in communications centers around furthering the government's ability to communicate during emergencies.
To that end, I support the Arlington County RACES mission to develop emergency communications training and enhance the Emergency Support Function.
The Arlington Radio Public Service Club (ARPSC) provides support for the RACES function.
Please stop by W4AVA.ORG to learn more...

Yaesu FT-897D (Station)
Yaesu FT-7800 (Mobile)
Yaesu VX-7R (Portable)

Vintage Rigs:

Yaesu FT 101E Transciver
Yaesu YC-601 Digital Display
Yaesu YO-100 Monitor Scope
Yaesu SP- 101 Speaker/phone patch

Drake R-4B Receiver
Drake T-4XB Transmitter
MN-4 Antenna Tuner
MS-4 Speaker

Hellicrafters SX-43 Receiver
Hellicrafters R-46 Speaker

Kenwood TR-7950 2 meter Mobile

Crushcraft 7.8 dB Dual Band Yagi
2 meters & 440

Hy-Gain AV-18VS Vertical for
10, 15, 20, 40, and 80 Meters

Ham Radio Deluxe
N3FJP's Amateur Radio Software for contesting

Other Interests
About my Call Sign & QSL Card...

K-9 Sylvester (Sly)

I have been a police officer for 23 years. 10 of those years I spent with the best partner...

Sylvester's story starts in the soviet republic of Georgia (former USSR) in 1991. After being washed out of the military he was sold to a US vendor for police service and shipped to the USA. My Department purchased him in 1992 for $2,500.

Sly and I completed Police K-9 Training in April 1993. We worked midnight patrol for seven months and were the first K-9 Team, in my department, selected to be crossed-trained for criminal apprehension and narcotics detection.

During our 10 years on the street we were responsible for more than 300 criminal apprehensions (some resulted in bites!) Over 1500 narcotics searches and countless misdemeanor arrests. Resulting in the seizure of hundreds of thousands of dollars in cash, property and drugs.

Sylvester was retired from police service in April 2002 as I continue a career as a detective in Computer Forensics.

Sylvester passed in January of 2003.

This call sign is my way of keeping a part of him with me and remembering his service to our community...

Arlington Radio Public Service Club

Vintage Rig Profile- Hallicrafters SX-43

From K9SLY

9/1/2010 8:50:56 AM (0 comments) Add a commentAdd Comment

Hallicrafters SX-43 Receiver

Introduced in 1947 at a price of $169.50 this unit was advertised as being built in the “Hallicrafters Classic Tradition”. To Give Amateurs “More Value” and “Greater Performance on AM, FM & CW”. Some sixty years later I added this unit to my shack just to have a piece of Hallicrafters history. I love the green glow the lights of the SX-43 gives off.

The Bandspread for the SX-43 is calibrated for the 80, 40, 20, and 10 meter ham bands. AM broadcast and shortwave coverage is continuous from 540 KHz to 44 MHz in four bands. A separate bandswitch setting for the 20 meter ham band is provided covering only 14 to 14.3 MHz. Both AM and FM are covered from 44 to 55 MHZ. The SX-43 covers the 86 to 109 MHz for band FM only. The FM broadcast band uses an IF of 10.7 MHz, and the shortwave and AM broadcast bands use an IF of 455 KHz. It is dual conversion for AM in the 44-55 MHz band which includes the 6 meter band. The second conversion to the lower IF improves selectivity.
Like all other Hallicrafters with the "X" in the model name, the SX-43 is equipped with a crystal filter.

Hallicrafters made the SX-43 family-friendly by color-coding the controls. To receive the AM broadcast band, you would set all of the controls to the red dots or red-labeled positions, tune the band with the main tuning knob, and of course control the audio output with the volume control. To receive FM, you set the controls as before except for the reception and band selector knobs which were moved to the green dots.
The SX-43 needs a matching transformer for its 500 or 5000 ohm impedance audio output. The R-44 speaker was designed as a match for the SX-43.

I hope you enjoyed this write up on just one of the vintage rigs in my shack.


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