Articles by " Steve"
Jan 24, 2019 - Ham Radio    No Comments

QCX Part 1

Now that Floyd, AAØGU, has his kit in hand (it took three days to arrive), I decided to start with the assembly. As with Heathkits, I sorted the parts in an egg carton,

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and sat down to install the IC socket and the IC’s.   At that point,  KI0G (and the manual, and every suggestion on the listserver) suggest that you jump to section 3.55 of the manual and wind then install the T1 transformer.  I had to wind a number of toroids for the Hardrock 50 amplifier I built last summer, and after a while developed a technique that involved sticking the core on a pencil .  Unfortunately, that skill has atrophied and I don’t remember exactly how I did it. There are at least 5 YouTube videos on how to do it, and they’re all different. 

You will find a lot of tips if you subscribe to the list server for the QRP Labs kits, which can be found here, at the ubiquitous groups.io. Unlike the older Yahoo groups list servers, this one has a very good search function, and I’ve used it several times. There are lots and lots of postings, though, so unless you don’t get enough junk email, you will probably want to opt out of receiving every one.

Before doing anything else, make sure that you have Version 4 of the PCB and the correct manual for Version 4. Then view one of the YouTube videos on how to build this kit. My favorite is by Mark, GØMGX, and you can view it here; the part on winding toroids and the dreaded T1 starts about 14:00 into the video.

The first problem in building T1 is the length of the wire. Enough is supplied to allow you to build an 80M kit, which requires a lot. The 20M version requires very little, but how much? It’s impractical to insert the wire through the toroid core using the whole length of the wire…but if you cut it, then what? The manual doesn’t say, but several hints in the list server directed me to http://toroids.info, which has a very handy chart that answers the question. The T1 core is a T50-2, and you need to install > 40 and < 50 turns. It calculated the length needed at 32 inches. I cut it to 33 inches. Turns out that’s not enough, if you intend to use the “loop” technique set out in the instructions. I should have cut it to about 43 inches.

I intend to strip the insulation off of the wire before soldering, and will try either a knife, or a very small wire stripper that ought to do the trick. If you want to borrow my wire stripper, let me know…

Dec 30, 2018 - Bicycling    1 Comment

Riverfront Trail Access Imperiled

On December 28, John Hodge and I attended a meeting with Pete Firmin, who is the Manager of the James M. Robb state parks, which include Corn Lake, Connected Lakes and the Fruita section. John has posted on Facebook his impressions of the meeting; I’m putting it in my personal blog because it’s really too long to fit in the standard Facebook message format. You may feel free to add comments to the end of this message, or on the Bicycle Alliance Facebook page. You can also look at the rest of this personal blog if you care to…

Our meeting was cordial; I’ve known Firmin for years when we both worked in Rifle, and he’s a good guy. However, he seemed primed for this meeting with talking points from higher up, and I learned more from what he didn’t say than what he did. The following comments are my own opinion on this situation, and don’t represent the position of the Bicycle Alliance.

Colorado’s state parks have been notoriously underfunded, and unlike those of other states (Oregon and Missouri come to mind) have no dedicated funding stream. Accordingly, they persuaded the State Legislature to declare that they were an “Enterprise Fund” and could set their own rules and regulations without legislative input. The term “Enterprise Fund” is a way to end-run the strict requirements of TABOR, the so-called Taxpayers’ Bill of Rights, which limits tax increases to those approved by the voters. It’s a legal fiction, but one that has received approval from the Supreme Court.

The last session of the State Assembly enacted SB 18-143 to increase the revenue available to the parks. It increases various fees and charges for hunting and fishing licenses, and also requires that pedestrians and bicyclists purchase a pass if they intend to enter a state park or recreation area. Here’s the relevant text:

33-12-106.5. Alternative means of park entrance – fees -rules.
(1) AN INDIVIDUAL ENTERING A STATE PARK OR STATE RECREATION AREA BY MEANS OTHER THAN BY MOTOR VEHICLE MUST PURCHASE A PASS IN ACCORDANCE WITH COMMISSION RULES.
(2) THE COMMISSION, BY RULE, SHALL ESTABLISH FEES FOR DAILY AND ANNUAL PASSES FOR INDIVIDUALS ENTERING A STATE PARK OR STATE RECREATION AREA BY MEANS OTHER THAN BY MOTOR VEHICLE. THE COMMISSION MAY ESTABLISH EXEMPTIONS FROM SUCH FEES.

This bill was approved unanimously and signed into law by Governor Hickenlooper on May 4, 2018. The Parks & Wildlife commission met in Burlington, Colorado on November 15-16, and adopted this fee schedule.


Individual daily pass fees are as follows:
a. A fee of $4.00 per person for any person of the age of sixteen or more years shall be charged for a daily pass for all visitors entering Barr Lake, Crawford, Colorado State Forest, Eldorado
Canyon, Elkhead Reservoir, Harvey Gap, Highline Lake, James M. Robb – Colorado River, Lory, Pearl Lake, Rifle Gap, Rifle Falls, Stagecoach, Steamboat Lake, Sweitzer Lake, Sylvan Lake,
Trinidad Lake, Vega and Yampa River State Parks, except those entering the park in a motor vehicle with a valid annual
parks pass or state parks annual hang tag pass

We learned that, with the exception of a couple of state parks in the Boulder area, only the Northwest Colorado region is substantially impacted this fee structure for pedestrian and cycle access to state parks, and that of all of the state parks, that portion which includes the Riverfront Trail is the most difficult to reconcile with the fee and pass structure. This may be due to the fact that an attempt to impose a fee at Cherry Creek or Barr Lake would probably get the attention of Bicycle Colorado and other vociferous Front Range lobbying groups, but if they’re able to successfully impose fees here, they will feel emboldened to expand fees those popular Denver area parks.

The current fee structure makes no sense. $4 is an exorbitant charge for cyclists and pedestrians who will have zero impact on the concrete pathway, and will at most use a little water and toilet paper along the way. Further, someone who drives in and parks her vehicle in the parking lot will pay an $8 fee for herself and three friends, but someone who rides her bike and doesn’t use a parking spot will pay $4 for one person.

It’s also unenforceable. If you enter the Fruita section from the north, or the Corn Lake section from the west, or the Connected Lakes section from the south or the west, there’s no way to pay the fee until you exit the park.

It also may be illegal. To the extent that cyclists and pedestrians are being taxed to use a public right of way constructed with taxpayer and donated funds (such as GOCO), the ruse of calling the parks an “Enterprise Fund” and thus exempt from TABOR may not pass muster.

It was poorly implemented. Although the statute referenced above suggests as a primary goal “partnering with stakeholders” (a fuzzy, meaningless phrase which seems to pop up everywhere), no one, including the Riverfront Commission, Mesa County and Palisade, Fruita or Grand Junction seems to have been aware of this decision until the signs went up. For the reasons John Hodge highlighted in his Facebook post and the Sentinel did in it’s well reasoned editorial, it’s also contrary to Hickenlooper’s stated intention to make Colorado the most cycle-friendly state, and will no doubt have a negative effect on tourism.


That still leaves the problem of tourists. How would you feel if you were visiting a city, rode a couple miles of unfamiliar, poorly signed road just to get to a trail (Parks and Wildlife Section), rode a few more miles of that trail, then, with no idea what stores, if any, are nearby (by the way, none!), you finally come upon a way to get water or a restroom you find out, nope, you gotta pay four bucks first.

My first thought would be to regret visiting such a crass, greedy, horrible city.

Any place that charges $4 to visitors to get water or use a restroom when there aren’t any remotely nearby alternatives is not an area worth visiting. And it’s certainly NOT “bicycle friendly”.

And just in case you’ve forgotten, Mesa County just spent a great deal of money building an underpass under 29 Road, and Fruita has spent a fortune improving the trail under I-70. The value of both of these improvements has been substantially reduced by this action.

Firmin is in a difficult spot. He’s trying to downplay the problem by indicating that he won’t enforce a fee structure (despite the signs) during 2019 for those merely “commuting” along the main stem of the Riverfront Trail. The manager at Highline Lake has said pretty much the same thing. These exceptions and interpretations to the fee aren’t memorialized anywhere, and for that reason, I suspect that a cyclist who gets a ticket would have a compelling defense in court.

But that doesn’t mean that the state won’t someday get its act together, and that the next parks manager may not try to install a toll booth. My greatest concern is that the state park management refuses to recognize that the Riverfront Trail was bought and paid for by others, and is a public right of way entitled to the same rights of travel as any public street, and is a vital element of the non-motorized transportation infrastructure in our county. The Riverfront Trail is not merely a parks amenity, and the use of a restroom is certainly not worth $4 per day.

Dec 10, 2018 - Ham Radio    No Comments

QCX Single Band Transceiver

Update:  Those who have expressed a desire to build this kit: KØGUZ, KDØVDV.  I ordered it on November 11, and when it hadn’t arrived by January 1, I emailed QRP-Labs, and received a prompt response that they were holding my kit until the enclosure was shipped to them, and they were having supplier difficulties. I asked them to ship the kit immediately; they did, and it arrived from Sedalia, Missouri in two days. Moral: when you place your order, either don’t order the enclosure at the same time, or ask that they send the electronics and the enclosure separately.


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The completed transceiver

As I mentioned at the last meeting of the Western Colorado Amateur Radio Club, I bought a QRP-labs QCX single band transceiver kit, and hope to build it in time for Field Day this summer.  It’s a very sophisticated yet easy to build unit that will let you work the world on 5 watts CW.

CW?  Here’s a good introduction to Morse by Dave Casler, KE0OG: 

Is CW, a/k/a Human Readable Digital Code, dead?  No



I agree with him, and you, that learning a new language or skill is a great way for us to keep our brains functioning.  And if you

Here’s a link to the transceiver ordering page, along with videos and links to reviews and modifications:  I ordered the 20M version because that band is good during the daytime, while 40 is better at night, and I have trouble staying awake after 9.  In retrospect, I probably should have ordered the 30M version, because that band is wonderfully uncrowded and has the best propagation characteristics of both 20 and 40.

In case you want to get in touch with me, send an email to my callsign @arrl.net.  I hope you’ll want to build this along with us.

72’s

Steve, KØGUZ

Updates from KIØG, who built one of these kits:

  • Build it and the GPS unit also so it can be a WSPR transmitter. Fred just built another one. The built-in test instrument suite is really amazing and can be used outboard. 
  • Read the discussion on the web site for some ideas of glitches others have found, nothing serious as I recall. I think I removed two turns from T1 to increase power a bit. 
May 21, 2018 - Bicycling, Katy Trail 2018    2 Comments

Katy Trail

 

KatyTrail

Shortcuts:

Introduction

The period between 1870 and 1890 had much in common with the Dotcom bubble one hundred years later, only instead of computers, the investment of choice was railroads.  Railroads sprang up all over, but nowhere more enthusiastically than the midwest.  Many started in major cities like Chicago, St. Louis or Milwaukee, but others extended their lines from smaller towns, such as the Atchison & Topeka (later Atchison, Topeka & Santa Fe, now BNSF).  A group of investors in Junction City, Kansas thought it would be a good idea to build a railroad to ship their grain crops  to Kansas City and Texas (hence the acronym, K-T);  xmissouri-kansas-texas-railroad-map.jpg.pagespeed.ic.4VMUNNDTdI
so they promoted a railroad to Parsons, Kansas, then when they were temporarily thwarted at the Oklahoma border because nobody had thought to gain the permission of the Native Americans who owned the land,   directed their construction crews towards St. Louis and Kansas City.  After a pause at Boonville, more bonds were sold, a massive bridge was constructed across the Missouri, and track crews raced to St. Louis. And the Missouri-Kansas-Texas lines were formed. The route from Boonville to Matchens, the eastern end of the line, follows the Missouri River bottom.  That’s great for railroading, since it’s astonishingly flat,  and has few, gentle curves.  But it’s also susceptible to catastrophic floods.  Floods wiped out swaths of the railroad several times during the Katy’s 100 years of operation. 

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The Missouri portion of the M-K-T railroad never was an  overwhelming success, despite the optimistic spin from their PR department (click on the ad to the left to read it), since the line paralleled the older Missouri Pacific, and stopped near St. Louis and near Kansas City, bypassed Jefferson City, and depended to a large extent on seasonal grain shipments for income.  And periodic floods wiped out large swaths of the railroad. It went through several reorganizations and bankruptcies. When the railroad was purchased by the Missouri Pacific and then Union Pacific, the Missouri MKT line was doomed, and most of the tracks were abandoned.  The last trains ran in 1986.

A generous donation (like $2.2M generous) from the son of the founder of the Edward Jones investment company purchased the right of way; in 1991, the Union Pacific donated 33 miles of right of way between Sedalia and Clinton.  The first part of the trail was  was opened in 1990, and the entire 240 miles has become a state park. 

Meanwhile, the Rock Island railroad, which also served Kansas City and St. Louis, was abandoned and a portion acquired by Missouri State Parks. The 47.5 mile segment from Pleasant Hill, about 25 miles from Kansas City, to Windsor was completed last year.

From the Missouri State Parks map:

“Trail users are reminded of the trail’s railroad history as they catch glimpses of old telegraph poles and other remnant pieces of the railroad’s past.  The trail passes over numerous truss bridges on its route.  Four fully restored historic depots evoke the bygone grandeur of passenger service on the MKT, while the stone railroad tunnel at Rocheport recalls the ingenuity required to complete the MKT rail line.

“Katy Trail State Park also takes users through a slice of rural history as it meanders through the small towns that once thrived along the railroad corridor.  These communities make great places to stop and explore during a visit to the trail, since the majority are located adjacent to designated trailheads. 

20180508T111807The majority of the Katy Trail closely follows the route of the Missouri River so trail users often find themselves with the river on one side and towering bluffs on the other.  The trail travels through many types of landscapes including dense forests, wetlands, deep valleys, remnant prairies, open pastureland and gently rolling farm fields.  In the spring, the trail is brightened with flowering dogwood and redubd, while the fall is colored with the rich reds and oranges of sugar maple, sumac and bittersweet.

 

Now, please join Georgia, Gene, Maggie and me on this adventure.

Notes:  Scroll down for each day’s diary.  If you want to see any photo in more detail, just click on it. All of the Strava links will lead you to more detail, including maps. Please feel free to leave comments.

Occasionally you’ll find highlighted text boxes (like this one).  Each contains music appropriate for what you’re reading.  If you want to listen to the music, just click on the audio player.

Katy Trail – Day 1, Chilhowee to Sedalia

Relive ‘Katy Trail Day 1’

Our first day on the Katy Trail started in tiny Chilhowee,Missouri.

We took the Rock Island Spur, a new addition to the state park system, which was dedicated in 2016.  It follows the route of the old Chicago, Rock Island and Pacific railroad.

The Rock Island Line is a Mighty Fine Road, by the famous 1930’s folk singer, Leadbelly

We’d spent the night before in a rustic  AirBnB located about 40 miles closer to Kansas City.  If we’d started from the AirBnB, our first day’s trip would have been over 100 miles.  So our support crew, Georgia and Maggie drove us to the trailhead of the recently constructed Rock Island Spur.  Twenty miles from Chihowee, it joins the Katy Trail in the town of Windsor.

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The trail is in excellent shape; the surface is smooth crushed gravel.  If it’s dry, you could do it easily with a 28mm tire; I was using a 35mm, and Gene a mountain bike tire.  Not so much after a rain, however.

Road crossings are well marked.

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We passed no one on the way to Windsor, and there was very little traffic on the roads.

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As we approached Windsor, we passed under what was obviously the Katy Trail.

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It was approaching noon, and until we went around a corner on Main Street, we hadn’t seen any hint of a place to eat. Then we saw a familiar sign:

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Fortified with comfort  food, we retraced our route to the bridge, and followed well-marked path that lead to the Katy Trail.

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The Katy trail goes through a couple of small towns on the way to Sedalia, and climbs from 550 to 910 feet.  It’s almost imperceptible.

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Most of the trail is covered by an arch of trees, which have grown up on the right of way since the railroad was abandoned.  It’s often like riding through a tunnel.  However, several miles were restored to its original condition – prairie grass – by burning the trees.  I imagine this will be a hot and miserable stretch during the summer, but in early May it was quite beautiful.

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The State of Missouri has constructed trailheads at most of the small towns along the way, and texting pictures of them was a good way to let Georgia and Maggie know where we were.  Each of the trailhead shelters, which were 8 to 13 miles apart,  had at least a toilet and shade, most had water, and all had interpretive signs letting you know the history of the town, what to look for going east and west, a directory of local restaurants, shops and bed & breakfast accommodations, and a history of the area and of the Katy railroad.   We took lots of pictures of the signs and shelters.

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We finally pulled into the Sedalia train station about 3 o’clock.  Gene had a slow leak in a tire, and there was a good bike shop in the depot, along with a gift shop and museum.  He bought a new tire, and I bought a “Katy Komet” jersey.  A couple from Illinois cycled by with a 12 pack of beer and offered everyone a cold one.  They had started five days earlier in St. Charles, and were going to spend the night in Sedalia before catching the morning estbound Amtrak.

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Sedalia is a nice town of about 22,000 people which became important as a junction between the Katy and Missouri Pacific railroads; it’s the site of the Missouri State Fair, and ragtime composer Scott Joplin lived here for several years.  We stayed at the beautifully restored 1920’s  Hotel Bothwell,

Hotel Bothwell

which is actively appealing to  a niche catering  to bicyclists.  They’ll check your bike and take it in a freight elevator to a basement storage room.  I was quite surprised the next morning to find at least a dozen bikes parked in the lobby for pickup, and even more so when the room clerk told me that they had been sold out over the weekend with bicycle tours.  The economic impact to the local economies of the Katy Trail is unmistakable.

Georgia and Maggie had taken a detour to visit the extensive quilt shops at Hamilton, Missouri, but they arrived at the hotel at the same time we did.

A downtown mural shows the hotel, the courthouse, and some of the (not so) famous stars who grew up here.

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Katy Trail, Day 2 – Sedalia to Columbia

Relive ‘Katy Trail Day 2’

Sedalia was the home of ragtime composer Scott Joplin, there’s a festival celebrating his music every summer.

Scott Joplin’s Maple Leaf Rag, composed when he lived in Sedalia


 

Sixty miles from Sedalia to Boonville to not far from Columbia.  Lots of scenery, bridges and animals.  I knew about railroads, and Gene knew about the flowers, trees, insects, small animals, fish and snakes along the road.  He also had read a book about the Lewis & Clark expedition in the early 1800’s, whose route followed the Missouri river.  And what we didn’t know, we learned from the informative signs on each of the trailheads.

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Except for the bridges and an occasional telegraph pole, most of the remnants of the MKT railroad have been removed.  However, there were a couple of block signals still in place.  The last time this signal flashed “high green” was thirty years ago.

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The infrastructure on this rail trail is remarkable, uniform and understandable.  Before every town, there’s a sign that tells you its name and the services available.

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You’ll see lots of pictures of the shelters along the way.  There’s one every few miles, and each has a clean toilet facility and shade, most have water, and all have interpretive signs. A few even have bike repair stations.

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And the trail went on and on.

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Our lunch stop was a small cafe in Boonville.  This is where we met the Missouri River.  which had a museum with replicas of the Lewis and Clark expedition boats.

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Then we realized that I had made a planning mistake.  The plan was to ride to the nearest town to Columbia, home of the University of Missouri.  It’s a big city and we ended up staying near an interstate surrounded by chain restaurants and hotels.  We should have stopped in Rocheport, after the only tunnel on the route.

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Rocheport is a wonderful community that has prospered because of the trail.  You’ll find  several bed and breakfasts, restaurants and other cool places to stay and visit.   

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It would have evened out the mileage, and was a real missed opportunity. 

 

 

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