RAN Technology

DX-60 Website Announced


General Information 0 Comments 12/09/2018 

Celebrating the fun of low-power AM

https://dx-60.net//index.cfm?key=main...

Posted By: Robert Nickels (ranickels)

While everyone who knew Mike N8ECR is shocked and saddend by his untimely passing, we commemorate his legacy of promoting low-power AM operation with the new DX-60 Net website:  https://dx-60.net//index.cfm?key=main

Mike gave tirelessly of his time and energy to provide an opportunity for AM operators in the midwest part of the country to have fun, make friends, and play radio every Sunday morning.   The DX-60 net originated on 40 meters in the 1990s, and will continue under the stewardship of Steve, W8TOW who is also one of Mike's long-term radio pals.    The DX-60 Net starts at 7AM sharp on 3880 kHz every Sunday morning, preceded by a pre-net roundtable that is usually chaired by K8DBN.   While any radio is welcome, it's not surprising to hear 10 or more DX-60s, both running through linear amplifiers and in their "bare metal" glory on a given Sunday morning.    Who knows how many DX-60 acquisitions N8ECR has been responsible for?

In my case - it goes beyond the Heathkit DX-60, where I naturally prefer the original ("non-A or B") model from the Daystrom era, barefoot of course, along with the HG-10 VFO and HR-10B receiver, which does a very nice job on 75 meter AM.     Then there's what I call the "Mobile DX-60", officially known as the MT-1 Cheyenne and the MR-1 Comanche, along with all the mobile trimmings including the mounting bracket that allowed this pair to fit under the dash on the transmission hump (remember them?).   These two perform very well and several "Little Indians" are heard on the DX-60 net.

Last but not least is what Mike dubbed "The Impostor" - the model 390 Lafayette Starflite transmitter which is a DX-60 clone but with a mirror-imaged layout and obviously different cosmetics.  Mine is paired up with the Lafayette KT-200 receiver at present, which was imported from Japan where it was made by Trio (which would later become known as Kenwood).     Both are good performers that actually are better than the more popular Heathkits in some ways, even through they are mere pretenders to the thron occupied by Heathkit in the hearts and shacks of countless hams.

Give low-power AM a try!   The DX-60 Net is the perfect place to prove that you don't need 300 watts to be heard, or that even 40 watts can be heard quite well hundreds of miles away without a linear amplifier.     That's the beauty and purpose of the DX-60 Net!

 


    In 1958, the Multi Elmac Company was riding high on the ham radio waves.   The company had seen an opportunity to provide feature rich but affordable transmitters and receivers to hams itching to "go mobile", which was all the craze.   Instead of sticking a converter in front of the car radio like many competitors did, Elmac produced full-blown receivers that tu...  READ MORE
- Robert Nickels (ranickels),  09/28/2021 
  

Mystery Transmitter

where's the copper subchassis from?
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 I didn't set out to buy this homebrew CW transmitter, it was included in an auction lot that I wanted so I had to take it to get the desired item.   But even though I always like to see good quality homebrew gear, this one is just a mystery.Most of the transmitter, including 6CL6 oscillator and buffer stages and a 6146 PA are built on a sub-chassis that is clearly part of a com...  READ MORE
- Robert Nickels (ranickels),  07/15/2021 
  

The Vector VR-50

last gasp from Swan/Atlas founder Herb Johnson
Category: Vintage Ham Radio
 Most hams are aware that Herb Johnson W6QKI founded Swan in Benson Arizona to make single-band SSB transceivers and then moved his operation to Oceanside CA where Swan thrived throughout the 1960s.   Swan merged with Cubic Corporation in 1967, and Johnson managed Swan as its subsidiary until 1973. Johnson founded Atlas Radio in 1974, with the assistance of Southcom International fo...  READ MORE
- Robert Nickels (ranickels),  07/12/2021 
   The Harvey-Wells Company was formed through a partnership between Clifford Harvey W1RF, and John Wells W1ZD in 1939.   Cliff Harvey had earlier founded Harvey Radio Labs in 1933, and prior to that, he was associated with the Hendricks and Harvey Company, another partnership. Producing police radios, transceivers, transmitters, and crystals. Their most popular product was the TBS-50 trans...  READ MORE
- Robert Nickels (ranickels),  06/18/2021 
    I became aware of a few hams playing with a thing designed to receive digital TV in Europe on your laptop - a little plug-in dongle that used an RTL-2832 IC and sold for $20 or so.    Some clever fellows had determined that it could be put into "radio mode" in which it would generate an IQ stream over USB, and by writing to control registers in the tuner IC, it could...  READ MORE
- Robert Nickels (ranickels),  06/13/2021 
    A while back I acquired a six channel HF transceiver made by the Radio Industries division of Hallicrafters, probably in the 1960s, called an SBT-20.    It is capable of 20 watts SSB or 5 watts AM (or CW with an optional board) in the range of 2-12 MHz and thus was probably aimed at commercial and light-duty military applications.   The radio could by ordered with fu...  READ MORE
- Robert Nickels (ranickels),  06/07/2021 
    I'm always thinking about interesting combinations of equipment to try out on the air.   One day while rearranging the shack I was getting ready to connect my Globe Scout Deluxe back up with a Collins 51S-1 receiver when the LED (the energy-efficient version of the old light bulb) came on.When I first started playing with DVB-T dongles back in 2012 I wanted an upconverter so I ...  READ MORE
- Robert Nickels (ranickels),  05/29/2021 
  

6AG7-6LG Novice Transmitter

Classic circuit with some modern twists
Category: Vintage Ham Radio
 There's a good chance that more homebrew ham transmitters have been built using a 6L6 than any other tube, and when combined with the superior performance of the 6AG7 oscillator, it's a hard combination to beat (click here for an explanation of the 6AG7's benefits)I'll be adding more info about this project soon, but one of my goals was to reproduce what was a budget-friendly...  READ MORE
- Robert Nickels (ranickels),  05/21/2021 
    All who operate AM in the midwest know and probably have talked to Masa, AB9MQ, who is a very active AM operator.    Having become interested in ham radio while still living in Japan in the early 1960s,  Masa's memories of the "dream rigs" is a bit differen than most US hams, and because the markets were still quite regional at the time, much of the ham gear...  READ MORE
- Robert Nickels (ranickels),  05/18/2021 
  

Hudson American Corporation

Manufacturer of marine radios in the 1940s
Category: Vintage Radio
 I enjoy playing with old marine radios that operated in the AM mode between 2-3 MHz.    This was the standard for "ship to shore" radio and telephone service from marine radio operators from after WWII until about 1970 when SSB was phased in and AM became obsolete.     Through this era a number of manufacturers were major players including RCA (Ra...  READ MORE
- Robert Nickels (ranickels),  05/02/2021 

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