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Posts published by “Tom”

Hello. I have been licensed since 1980. I am currently the president of the St. Petersburg Amateur Radio Club (SPARC). I am a founding member of the Upper Pinellas Amateur Radio Club (UPARC) as well as a past-president and past club secretary. I am a Life Member of the ARRL as well as a member of the ARRL Maxim Society. Additionally, I am a life member of AMSAT, a member of the Clearwater Amateur Radio Society and a past-president and member of the Utah Amateur Radio Club. I hold 9 band DXCC covering 160 meters through 10 meters. I am also a member of the ARRL's A-1 Operator's Club. I mostly chase DX, POTA parks and dabble in contests both at home and with SPARC. I also work on the development of several amateur radio software projects including TR4W among other open source projects. I am a dyed in the wool Elecraft fan utilizing my K4D and KPA1500 for HF but also have more Icom radios than any one person should own. I also have a growing Begali key addiction that seems to keep growing. I also have a nice collection of older radios, Mac computers and HF 1500 watt amplifiers. Professionally, I own a software consulting company and have been involved in software development and IT continuous for the past 39 years.

One shy of DXCC Challenge 1500

The ARRL’s DXCC Challenge Award is earned by working and confirming at least 1,000 DXCC band-points on any Amateur bands, 160 through 6 meters (except 60 meters). So each combination of DXCC entity and band is one point. Work Germany on 5 bands, you get 5 points. The basic award is 1000 points but I never applied for that one. Several months ago I saw I was close to 1500 points so I thought I would wait to I reach 1500 (endorsements are in 500 point increments) and then apply for the award and buy the plaque that goes with it. I am one shy…

That is really my last conceivable DXCC award until I get the beam installed on 6 meters for DXCC on 6m. That will give 10 band DXCC. Well Satellite is possible depending up what mix of satellites goes up but that is a ways off.

Presentation on ADS-B

ADS-B is a method where planes broadcast their position data. I did a presentation for the Clearwater Amateur Radio Society about the technology and how I built a system myself for mounting on my tower.

Here is the link to the presentation.

 

[ny4i-next-meeting day=”Saturday”]

Fun with Airplane Data

I have started playing with ADS-B data again. For those that do not know, ADS-B is a system where planes send their position, speed, heading and other telemetry to the ground via a radio on typically 1090 Mhz. This is unencrypted data that anyone with a receiver and antennas can pickup and use.

The above chart is generated by the PiAware software running on a Raspberry Pi 3B. The planes and position reports you see are all received locally by me with a small antennas sitting on the window sill in the ham shack.

If you are interested in this, you need a few things to get started.

  1. Raspberry Pi (3b will do or a 4).
  2. SDR Receiver (FlightAware sells a unit on Amazon or you can get one of the European TV dongles).
  3. Antenna (Bigger and higher the better).
  4. Network connection

I also added a specific 1090 Mhz antenna from FlightAware. My plan is to mount the Raspberry PI, USB Receiver, POE extractor for power to the Pi and antenna in a NEMA-4 waterproof box on my tower. This way I avoid coax loss at 1090 Mhz. I will plug the connection Ethernet cable going to my tower into the box and send network and power up that way. I can only imagine how far away I will receive signals when the pI is on the tower.

To conserve write cycles on the SD card in the PI, I also added a service called log2ram. This changes /var/log to go to a RAM drive then every hour or so sweeps the logs to disk for safe keeping. It also does it upon halt or reboot.

I will post pictures of the NEMA 4 project as I finish it up.

Chronology of a New Ham Radio Release

Part of any new radio release is a treasure-trove of commentary on the new radio’s email reflector. This is a summary of those topics so when you order your new radio you can recognize some of these common patterns. I started this with the Icom 9700 and it has been true for every new radio since then.

  • Discussion if the rumored radio will actually be sold and when.
  • General hand-wring regarding the vendor’s included/missing features.
  • Consternation regarding how long it is taking to release anything.
  • The inevitable price guessing (and first round of retail economics and pricing strategies with a side of currency exchange issues).
  • The first round of commentary based on the aforementioned speculated price as to why “The old model will do me just fine, thank you” or “That is too much for that style radio so I will not buy that” with no discussion if the writer actually could afford one.
  • The first lull in activity as people seem resolved to wait patiently (a very short lull).
  • First hamfest sightings which then cause the cycle to repeat after lambasting the temerity of the videographer to not show the exact feature others wanted to see.
  • More discussion of price as the dealers start to take reservations.
  • Speculation if one should buy a so-called gray market radio (i.e., buy a radio for the US market in the UK/Japan/EU and modify it). This is always coupled with another round of currency valuation discussions where people attempt to equate the price strictly on the current exchange rate without regards to local market dynamics that really set a price.
  • US market price announcements by varying dealers couple with another round of pricing discussions that frequently including basic retail economics discussions like overhead (or lecturing some on why they are not considering overhead). These discussions show a population subset that will never be happy with a price unless the manufacture sent them one for free to keep forever.
  • First orders converted from reservations take place, which starts a general discussion on why one’s dealer can take orders before another.
  • Debates about how many items arrived in a pallet when pictures of cardboard boxes are shared. Detailed discussion of packing systems including how many units are packed in a box.
  • First customer ship with a barrage of list traffic stating “Ordered mine today”.
  • Rigs start to arrive coupled with a few unboxing YouTube videos again lambasting the videographer for not showing specific features.
  • Discussions of the features as people learn about the radios and the naysayers stating, “The old model did it better so I will keep my old one”. One has to see the separate psychology paper on the thought process of how one dismisses a new model for the old when for some, buying the new one was not really in the cards anyway. One theory is it’s a way for one to justify to themselves their inability to buy a new one so casting aspersions on the newer model makes them feel better.
  • Barrage of reports stating “My radio arrived today” emails to various lists.
  • As more shipments arrive and operational limitations arise, a voracious discussion why feature A or B was included or left out. Another round of discussions on the economics of manufacturer scope decisions as a function of pricing in the desired market. Much input from retired experts that used to manage something similar for XYZ Corp.
  • The resident and highly valued test engineers run the new radio through its paces. These results are interpreted by the masses as either confirmation of the aforementioned biases towards the old radios compared to the new one or serve to confirm one’s decision to be an early adopter. Frequently another round of discussions about the need for a specific feature starts again.
  • The testing phase is closely coupled with countless discussions on the specifications of a feature that perhaps one in 1000 users of the new radio will ever use (i.e., setting the DSTAR position of a 9700 that never leaves the shack with a GPS versus simply entering in one’s non-changing Lat/Long manually). This highlights the point that the fact that a feature will not be used by most does not mean it cannot be debated ad infinitum.
  • The population generally settles down until the first radios have the inevitable failures of a few. Chastising those deemed foolish to be early adopters commences with the naysayers relishing in a ubiquitous round of “I told you so” and “This is why I wait to buy”.
  • First round of price drops with again another shot at the early adopters and then some lamenting they feel robbed that they paid 100 currency units more for a radio and their dealers are awful for not refunding the difference 6 months after the fact.

All the while, the various moderators of the lists try to weigh a careful balance of letting the group have their discussions and deciding when to shut down a discussion. Also note that these are not absolute rules. It is possible that one can raise a topic late in the game about currency exchange rates and prices (see active R&L Discussion on 9700 mailing list).

TR4W to WSJT-X Integration

As you may know, I work on the development of the TR4W contest logger. After Field Day where many of our local group expressed some frustration with the complexity of the N1MM setup process for WSJT-X, I started to work on integrating WSJT-X into TR4W. This is a work in progress but I now have the program logging, as well as highlighting calls based on need (dupes, mults, etc).

 

Field Day 2020 At NY4I

I am operating from home this Field Day due to our regular site and plans being put on hold. We have secured a county-wide repeater to use so hams operating at home can get a sense of community. We also have a chat server (hosted here), Zoom presentations to help with setup and other ways to help make this not as solitary an operation.

I am using my 40-6m OCF for operating along with the best contest logger in the world, TR4W (if I do say so myself). The rig is a K3S barefoot and I hope to make some satellite contacts as well.

Have fun everyone.

My 9 Band DXCC is Finally Finished

With a 12 meter confirmation from SM3LIV in Sweden, my 9B DXCC is finally done. That is at least 100 countries confirmed on 160, 80, 40, 30, 20, 17, 15, 12 and 10 meters.

That was a really long time in the making to get the final QSL on 12 meters.

Now award chasing gets even harder but a simpler ones are possible soon I hope.

Next award to finish is 5B WAS for which I need 3 more QSLs on 10 meters (North Dakota, Louisiana, and Rhode Island). I hope Field Day will get those this weekend. The WARC bands and 160 for WAS will be a bit farther along.

Unless a DXPedition comes on, I am planning to focus on grid hunting on 6 meters, WAS on 6m and the biggie…DXCC on 6m.

There is always another award to chase 🙂

If you want any help with your own chase, let me know and I can provide a few tips on QSL, LOTW or other things.

73 – Tom NY4I

Operating from Home

Thanks to Clayton KJ4RUS going up the tower along with ground crew Bob N2ESP, Pat AA0O and Ed NZ1Q, I have a wire antennas on the tower. Clayton climbed the tower to put a rope in the tower standoff’s pulley and the ground crew connected things so the antennas could be raised. The ends were tied off and it all seems to work well.

The picture below is of a contact I made on FT8 showing the coverage of the antennas on 20 meters. This looks like a great pattern for Field Day. Everywhere with a time flag is a station that heard my signal. The station in Brazil heard me at -10 db and the one in Washington State at -16 db.

My thanks to all that helped!