Archive for the ‘Uncategorized’ Category

Selling Ham Radio Equipment

As an auctioneer based in Kansas City, David Schulman, WD0ERU knows a lot about selling things. But Schulman is a little different than most auctioneers: his specialty is selling ham radio equipment.

His business, Schulman Auction, offers an end-to-end solution for those families or hams who want to downsize their current estate, or completely liquidate their amateur radio or vintage electronics gear. They pick up estates from all over the country and take care of all the logistics of the selling process.

Although he’s been a licensed ham for four decades, he didn’t immediately appreciate the amateur radio community’s need for full auction services.

“I had a very large ham estate that I was selling at a weekly consignment auction,” Schulman says. “It did so well that I started thinking about taking ham gear online and see what happened.”

His auction business has grown substantially in just over a decade and he now has buyers from around the world and sellers from all over the United States.

While it can be easy to list gear on eBay or Craigslist, sometimes sellers don’t realize that they’re losing money when a buyer can’t verify that an item is actually “as described.” Schulman related one such case where he was working with a seller to auction a Hewlett-Packard signal generator.

“You could buy them for $300-$400 all day on eBay and other venues,” he says. “This one particular unit brought close to $1,000 dollars.”

Why did this particular one sell for almost three times the going rate? Schulman says for many buyers, getting the best price is about seller credibility. “When I asked what was so special about this unit, he said, ‘you tested it and provided all the data I needed, and I was willing to spend the money necessary to get it because I just never know what I’m getting on eBay.’”

What’s hot in the market right now? He says there are a few different things that seem to get the attention of serious buyers:

  • Collins gear, both S-Line and the black boxes, such as 75A-4’s, generate quite a bit of interest, as do the “newer” vintage gear from the 80s and 90s.
  • Anything Kenwood, Icom or Yaesu
  • Equipment that is difficult find such as a Hallicafters SR-2000 Hurricane Transceiver with matching PS-2000 power supply or a Hammarlund HC-10 SSB Converter
  • Military R-390’s and R-390A’s command decent prices and get a lot of attention
  • Hewlett Packard test equipment from the 80s-90s does extremely well. They were built tough, and are still extremely accurate if they were kept in decent shape

Schulman says that no matter how you sell your gear, you should watch out for some common shipping pitfalls.

“Always check with the shipper and get an estimate first. You don’t want any surprises,” he says. “In each lot listing we have in an auction, we include the dimensions and weight of an item. The shippers contact information is also included. Some folks are truly surprised when they only spend $10 on something, to find out that it will cost over $50 to ship.”

It’s important to remember that the value of an item doesn’t dictate the shipping cost. “All shippers — UPS, USPS, FedEx — charge based on dimensional weight of an item,” Schulman says. “If your 10 pound item that cost you $10 has to be packed in a box that is 20 inches on all sides, you’ll get charged at the 60-pound rate. Unfortunately, that’s just the way it is in the industry now, and we have to keep that in mind when bidding on these items.”

Another piece of advice: don’t skimp on the packaging. Here are his tips:

  • Let the pros do it. Not just any UPS or FedEx location, but those that have the knowledge of packing and shipping this type of gear. Even though a vintage radio might have only cost the buyer $25, that radio might be one of a kind and irreplaceable.
  • Use double wall cardboard boxes and double box when necessary.
  • Wrap your radio in bubble wrap or plastic sheeting so that the packing materials don’t get lodged inside the chassis — but be careful because in some cases bubble wrap can chafe against the face of a radio and cause permanent cosmetic damage!
  • Styrofoam peanuts are difficult to remove from chassis due to static and breaking down and disintegrating — don’t use peanuts if at all possible on items that weigh over 30 pounds.
  • Use Styrofoam planking or foam inserts instead. It’s much more difficult for a heavy item to move around inside the box using these materials.

Buyers really like to know what they are getting as opposed to buying on self-service sites like eBay and Craigslist where they often see “I have no way to test this” or “powers up” — or worse. “I think this is one reason why our auctions have become so successful,” he says.

“I’ve talked to many families of SK’s who would have just scrapped their loved one’s ham gear if they didn’t find me,” Schulman says. “That is one of the things I love about doing what I do. I can’t save it all, but I know what I do sell will generally get into the hands of other hams who will use and enjoy the equipment.”

Amateur Radio Weekly – Issue 205

Digital HF voice: FreeDV 700D released
Digital really does handle some nasty fading, and it really does work better than SSB in many cases.
Rowetel

Simple 1:1 Choke Balun
This is a very simple 1:1 Choke Balun for portable operation.
M0PZT

The spreading ‘eHam disease’
I’ve written before about the eHam policy of protecting the raving insane posts of a click of forum trolls.
K9ZW

D-Star QuadNet Array
You can Group Route to any Smart Group, whether you are operating from your home, or you are operating a mobile rig.
QuadNet

The Mission RGO ONE: A new 50 watt all mode HF transceiver
The idea of this project was inspired by old TEN-TEC radios with 9MHz IF – their perfect analogue design and crystal crisp audio both CW and sideband.
The SWLing Post

Radials mitigate feedline and mast currents, tests reveal
This suggests radials of 1/4 and 3/4 wavelength do a good job of immunizing the antenna from circumstances that might encourage RF currents down the mast or coax. Radials of 1/12 wavelength do nothing.
Ham Radio . Magnum Experimentum

Long delayed echo on 50Mhz 6m
Initially I didn’t know what it was, and I still don’t know why it was. If nothing else it was extremely interesting, so I’m sharing this short article about a Long Delay Echo (LDE).
OH8STN

HF Ham Radio on a budget
This should come in around $100-150USD. If you simply don’t want to do Morse code, there’s the option of the BITX40, a very inexpensive HF SSB rig that runs on 40 meters.
KE6MT

Video

N1SPY chases mini satellites on a budget
Using $25 worth of equipment to chase signals from cubesats which are the size of a coffee can.
N1SPY

VK2TPM on FreeDV 700D
We could barely hear each other in Single Side Band mode but FreeDV 700D is pretty good once your ear gets used to it.
YouTube

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D-STAR on Field Day: Check out the QuadNet Array

Since field day is just as much a public outreach as it is an emergency preparedness exercise, many clubs across the US and Canada also have additional stations set aside to demonstrate different aspects of amateur radio. Often this includes D-STAR.

I would like to extend an invitation to all clubs that are showing off D-STAR to the general public to join us on the Quadnet Array as the hub of activity for those participating in field day to be able to talk with one another using D-STAR. No, you won’t be able to count the contacts for points, but you can use the array to keep in touch, talk about how things were going in your area as well as show off D-STAR to the members of the general public that come by your field day site and express an interest in all of the radios, antennas and unusual sounds that are coming from the tents setup in the park.

The Quadnet Array is a group of persistently linked reflectors and smart groups spread out around the world. This allows users to be able to access the closest reflector or smart group to their physical location to keep the internet latency at a minimum. It doesn’t matter which one you choose, connecting to one will allow them to hear activity across the entire Array.

To connect to the Quadnet Array you will need to either login to one of the below Smart Groups or link to one of the below reflectors:

Quadnet Smart groups:

DSTAR1 in New York

DSTAR2 in San Francisco

DSTAR3 in Ohio.

Reflectors:

XRF757A in Atlanta

XLX049D in Northern Ireland

XLX307D in Wyoming

XLX626D in New Zealand

If anyone has any questions about how to connect to the Quadnet Array they are welcome to contact me directly or send an email to [email protected] and we will be happy to assist.

73 – Jeff VE6DV

TX Factor is Back On The Air

Yes, TX Factor episode 21 is finally available and features a review of the IC-7610 transceiver from Icom. Bob shows Mike a thing or two about operating thorough linear satellites. And, have you ever worried about programming your DMR handie to cope with code plugs, gateways and chatrooms? Again, Bob thinks he has the answer.

In our free-to-enter draw we have another two prize give-away: a Prism padded dust cover for your rig and a copy of Andrew Barron’s book Hamsats and Amsats.

It’s all at www.txfactor.co.uk

Happy viewing!

Amateur Radio Weekly – Issue 204

Hamvention 2018
Would I come back to Hamvention? Right now, given that it’s always the same weekend as Maker Faire Bay Area? Pfth. Not a chance.
The Life of Kenneth

My visit to Hamvention 2018
What a great event! The new location is superb. It is 1000% better than the old location at Hara Arena.
N6PSE

Faux SDRs & Vaporware Products at Hamvention – “The Fake News”
Reports from Dayton of new products seem to be far apart, and a couple anticipated products seem lackluster or concept mockups.
K9ZW

2018 Hamvention photos: Inside Exhibits
Most of the following photos were taken in the main Hamvention buildings and tents at the Greene County Fairgrounds.
The SWLing Post

2018 Hamvention photos: Friday Flea Market
The selection was pretty amazing. The rain did come and go throughout the day, but the recycled asphalt that was spread between the aisles did help keep mitigate the mud situation.
The SWLing Post

Death of an E-Salesman
Our classic electronics surplus stores are disappearing. Can they be saved?
sparkfun

Post-launch signals received as Amateur Radio heads to Moon
China has launched two microsatellites into a lunar transfer orbit. Following deployment, signals from the DSLWP satellites were received by radio amateurs in Brazil, Chile, and the US, as well as by many others around the world.
ARRL

Ham loses license for interference
N8CAM illegally operated on, and caused interference to, the Michigan Public Service Communication System.
KB6NU

NVIS works very well… except when it doesn’t
Anyone relying on near vertical incident skywave (NVIS) propagation for 24/7 radio circuits between any two points should heed the warnings found in the raw QSO data from the Virginia QSO Party.
Ham Radio . Magnum Experimentum

About Software Defined Radio and RTL-SDR
Software Defined Radio: computer or smartphone does signal processing, not individual and expensive components as with traditional radios. The cheapest way into radio reception, best bang for the buck.
Radio for Everyone

Video

Review: Antenna analyzer N1201SA
HamRadioReviews

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Amateur Radio Weekly – Issue 203

Shortwave Trading: The West Chicago Tower Mystery
I recently stumbled onto the first evidence of shortwave trading at a site in West Chicago, Illinois and then used Federal Communications Commission (FCC) database research techniques to find two more sites.
Sniper In Mahwah & friends

2018 State of the Hobby Results
The results are in!
State of the Hobby

6m Moxon antenna
The SWR figures predicted are pretty much spot on, with a dip right around 51250.
NY4G

FreeDV 700D vs Analog Comparison
A comparison between Analog SSB and the new FreeDV 700D mode, over an HF channel (40m, late at night), with the same transmit power (~100W PEP).
Mark Jessop

Nixie LED Clock
I built an alternative clock using a 3D printer and laser cutter.
SparkFun

The Boris Beacon
A 1mW solar-powered HiFER beacon.
AA7EE

Radio receiver ‘listens’ for dark matter particles
We’ve built a radio that looks for a radio station, but we don’t know its frequency.
Futurity

Parity Act language inserted in National Defense Authorization Act
The bill now awaits House floor action. The Senate will begin its markup of the NDAA during the week of May 21.
ARRL

OLED GPS display on Arduino with a little C++
I’ve written a little code to read the $4.10 GPS and display a bit of info on a small OLED display using the excellent Adafruit library.
marxy’s musing on technology

Video

Receiving Radio New Zealand 15720khz in Santa Cruz, CA on a Hallicrafters S-38
What Radiohead sounds like from 6,500 miles away on a 62 year old shortwave radio.
YouTube

4m parrot repeater
Testing GB7FM 4m simplex repeater, fondly known as the Tring Parrot.
M0JCQ

Amateur Radio Weekly – Issue 202

The Horror-Mitters
A working tuneable FM transmitter for the two meter amateur using only found junk and components scavenged from old television sets.
VK3ZZC

Developer says he has purchased Hara Arena
Michael Heitz, a Lexington based developer, has bought Hara Arena.
Dayton Daily News

Don’t buy into the doom-and-gloom: Low sunspots are not the end
Here are a few strategies for working DX during sunspot lows.
The SWLing Post

Children’s book features Amateur Radio and space communications
Ada Lace, Take Me to Your Leader is a new book written for young people by Emily Calandrelli KD8PKR that features amateur radio and space communications.
AMSAT-UK

Ham Radio operators help save lives in tinder fire
Communication troubles began because of poor cell service at the fire line.
KVOA

Build your own 18650 LiFePO4 battery pack, no soldering
18650 batteries are a cost effective way to power our communications gear out in the field.
OH8STN

Ham!
Ham.
Ham Button

Designing a satellite station for the home QTH
Working SSB satellites from home is a bit more complicated, especially as I wish to automate a lot of what happens, especially the automatic tracking of the satellites during passes.
Adventures in Ham Radio

Video

Hand made vacuum tubes
Hand made vacuum tubes by Claude Paillard
Vimeo

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