Radio W4KAZ

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Modulation Devices

After struggling with mastering the use of ‘paddles’ and ‘keyers’ for the purposes of Modulating the Continuous Wave, I decided to upgrade both my paddles and keyer.

For some reason it never occurred to me to try using my paddles with the radio’s internal keyer. When it finally did occur to me recently, it turns out I had less trouble sending legible CW using the internal keyer in the radio than with my “Common Brand” keyer. Go figure.

So, having found a good bargain on a set of nice Kent paddles, and having a thumbs up from trusted sources on the Idiom Press Logikeyer – I made those two items my xmas present to myself.

I got the Logikeyer CMOS4 kit, so some assembly was required. I got the kit put together last week. The Logikeyer is a well done kit. I got lucky and it worked on the first try. 🙂 I’ve been eyeing up the Idiom Press SCAF-1 audio filter, and now I’m pretty sure I’ll get one of those too, sooner or later. I’m sure it will be a high quality item also.

Anyway, it sure is easier to send CW with a good set of paddles and a keyer that works! (I’m no paddle expert, but I really like the Kent paddles.) I’m still a lid, but I might actually be able to learn how to use paddles now. If I can, then I work on the second long range goal – training the left hand to send CW.

Sweeps SSB 2007 – Hindsight

Thinking back on the event, it seems like the 80m and 40m antenna moves were good. Propagation was just a bit unusual, favoring longer skip paths than I normally see at the KAZland QTH. I think that these antennas, in their current orientations, will play even better when conditions are more ‘normal’. It is also clear I’d have done much better on 20m had I debugged the shack problem with the 20m antennas earlier.

The other operating change I will make is to plan on S&P during the first two hours of this contest. My S&P rate will be higher than any runs I might have during the bedlam of the start of the race. It will also give me a better chance at nailing some of the mults I should have found this year.

750 Q’s seems like a reasonable goal for this contest with these same bottom of the cycle propagation conditions. I wonder if 900 or 1000 Q’s are possible when conditions improve. Maybe.

New Ears

I had a few minutes to spent playing around with the new antennas, just listening around. The guys calling CQ for the Pennsylvania QP were booming in here on 40m during the afternoon. The 40m dipole really seems to be hearing well.

On 80m, the new antenna was showing a very high noise level across the band, and it sounded similar to the AGC pumping from a strong nearby station.

“Hmmmmm…” thinks w4kaz, eyes vacant and scratching head idly.

Turns out my 80m antenna is now flat broadside to the WPTF 50KW antennas that are about one mile to my NNE. I have an 80m bandpass filter I built a couple of years back. Plugging that into the line cleared up the WPTF problem, dropping the broadcast QRM from S7 to S0. Its still there, but its very low level now. Not many signals on in the afternoon, so I need to carve out some time to spend in the shack playing around some.

Lesson: 50 KW at less than one mile distance is undesirable. (Yeah Homer, I know….doe-OH!)

Home Brew Projects

!! In Progress !!

Have some fun putting your probably not so idle hands to work.

  • CATV F11

  • K2 heat sink/fan project

  • Seven position remote antenna switch

  • Two position remote antenna switch

  • W4KAZ SO2R box home brew

  • W4KAZ Band decoder

  • K9AY box

  • RX antenna 160m/80m band splitter

These projects are either in use or have been actively used.

Engineer The Possible – SO2R Series

A collection of SO2R station stuff.

  1. Engineer The Possible [SO2R notes Part 1]

  2. W4KAZ SO2R Collection – Engineer the Possible – [SO2R notes Part 2]

  3. W4KAZ Homebrew SO2R Box(with schematics) -Engineer The Possible – [SO2R notes Part 3]

  4. Related: Bandpass Filter Fever, Series on Bandpass Filters

  5. W4KAZ: Notes On SSB RFI In HomeBrew SO2R Box

FCP Photos

A few photos of the FCP(folded counterpoise) at the W4KAZ QTH.

W4KAZ post about the FCP.

Picture of W4KAZ junction box

Picture of W4KAZ junction box

Picture of FCP transformer in its mount at W4KAZ

Picture of FCP transformer in its mount at W4KAZ

Picture of center junction of W4KAZ FCP

Picture of center junction of W4KAZ FCP

Picture of center junction of W4KAZ FCP

Picture of center junction of W4KAZ FCP

Poor quality scan of W4KAZ FCP drawing, missing juntion detail on three conductor side

Poor quality scan of W4KAZ FCP drawing, missing juntion detail on three conductor side

Picture of PVC spreader

Picture of PVC spreader. Nails inserted through holes demonstrate intentional mis-alignment

Picture of PVC spreader on FCP

Picture of PVC spreader on FCP

Picture of cable tie used as spreader on FCP

Picture of cable tie used as spreader on FCP

Picture of PVC spreader on FCP

Picture of PVC spreader on FCP

Picture of 2-wire leg of FCP as hung at W4KAZ

Picture of 2-wire leg of FCP as hung at W4KAZ