Radio W4KAZ

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Band Pass Filters – The Series

  1. Band Pass Filter Fever – The Tangled Web – Part 1

  2. Band Pass Filter Fever – Untangling The Web – Part 2

  3. Band Pass Filter Fever – The Guinea Pigs – Part 3

  4. Band Pass Filter Fever – The Kludgy Switch Box – Part 4

  5. Band Pass Filter Fever – Guess-timating the Filter Efficacy – Part 5

  6. Band Pass Filter Fever – The Guess-timated Scale and Actual Guess-timated Measurements – Part 6

  7. NEW, 20190921 Retroactive Filter Tuning with NanoVNA

Photos of the filters as constructed by W4KAZ, based on NVARC and K4VX designs

Series – K2 Impressions

Time to round up the various related posts into series. This is still really clunky to do in WP, but here’s the first crack. The following are a running aggregation of the impressions and opinions I have about my Elecraft K2.

Last update 05/6/2010, corrected link to part 8.

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

Peasants With Pitchforks

Greetings Comrades!  More information is now available from our sources at the Ministry of Truth.

Many thanks to our ardent supporters in San Fransisco.  Without fine citizens such as these, suppressing the money grubbing capitalist Kulaks would be far more difficult.  We are only disappointed to see no one had their turtle costume for this event.

The Ministry of Truth has issued a statement that will be of interest to all GoodThink Peeps in the Republic.  We now know that the Administration hopes that we will benefit from the Benevolence of Dear Exalted Leader forever! This will be made possible through the work of our fine scientists pioneer work with amateur operators from the 75 meter nets!

We have word direct from the Ministry of Trooth that Our Benevolent Dear Exalted Leader ObaMao is himself quite please with the ringing endorsement given to the administration of the New Peeps Republic by Comrade Castro, the original el Jeffe’ himself!  This most unexpected vote of confidence in the direction of the New Peeps Republic is another indictation of the historical nature of the changes sweeping clean the face of the Peeps!

Finally, we need to ask you hear the words of the Great Satan, idol of the money grubbing capitalist Kulaks.  It is imperative you become familiar with the arguments of the Great Satan, lest you be unable to refute his arguments should you hear them mentioned.

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Viva el Jeffe’

Greetings comrades!  We have a few words of Newspeak from the Ministry of Truth.

First, we wish to extend exuberant greetings to our fellow travelers in Canada, in particular the brown shirts at the University of Ottawa.  We are overjoyed at the welcome received by the vile Kulak Spokeperson Coulter.  The display of love and open minded tolerance by our northern fellow travelers is truly heart warming down in the New Peeps Repubic, especially at the administration’s Ministry of Truth.  The students’ tolerance for the opposition is to be commended!  We know it is a struggle, but the Ministry of Truth is overjoyed to see such an outpouring of love and support from the kind citizens of our closest neighbor.

We are also quite pleased with the Ministry of Truth campaign to expose the vile death threats being made on behalf of  the unhinged bourgeois Kulak opposition.  While it is true there has been no statistically significant change in the number of threats of violence received, it was too delicious an opportunity to portray the evil Kulaks as nut jobs and fruitcakes.  Who in their right mind could not fall adoringly at the feet of our Dear Exalted High Leader ObaMao?  That alone is a sure sign of derangement!  The Ministry of Truth will have more information on the heinous plans of these so called “businessmen”, and we have loyal Party operatives infiltrating areas in the Red Zone just in case we need to generate more vicious attack audio from the lands of the slack jawed yokels!

We have also noticed that the Kulaks are now becoming aware of the true subtlety of ‘The Law for Removing Stress From The People and The Reich’.  It is becoming obvious they did not realize that all decision and rule making authority was being granted to various loyal Party members working as departmental operatives within the administration of Benevolent High Exalted Leader.  The Ministry of Truth is working diligently behind the scenes to make the transition of power to these new fiefdoms  as easy as possible.  Loyal Party members who are seeking preferential treatment should begin making generous donations now to the Party.  Small denomination currency is appropriate, and donations in Euros will be preferred since the ink on the trillions of newly minted dollars is still so wet.  We also encourage the use of the Kulaks ‘gift card’ products since they help to cloud the paper trail. This may be important should the Kulaks somehow gain access to records currently guarded by The Party.

Finally, a word to Comrade K3NG about the program to harvest organs and Precious Bodily Fluids from the denizens of 75 meter nets.  The program has actually been quite active, and many brains were pre-harvested and are in use by administration Party operatives.  Comrade Stasi has found that these brains were well suited to the phony ‘death threat’ false flag dis-information operation, and have been in widespread use over the past several weeks.  Since it is so difficult to convince the greedy Kulaks to stop their incessant money grubbing long enough to portray them in their proper place as snaggle toothed hill billies “clinging to their guns and religion”, Comrade Stasi has found these amateur brains quite useful.  Plans to harvest additional body parts have been abandoned after it was determined these other parts were in a state of dis-repair.  These late night chats will be allowed to proceed until such time as we have more shovels to issue them for the “shovel ready projects”.  It would appear that there will be delays at the shovel factory, since the Kulak CEO’s seem to be having difficulty making transition from their previous cushy desk jobs to their new employment hand crafting shovels.  More former CEO’s will soon be dispatched to assist the shovel manufacture operations once Benevolent Exalted Leader determines which of these Kulaks are truly Enemies of the State.

New informations will be available on these matters as events unfold.  We are currently seeking thugs with the correct credentials to populate the new jobs created to help separate the evil Kulak money grubbers from their property.  Only the most loyal and motivated Party members will be considered for these important positions, as we expect the Kulaks to attempt to flee with their ill gotten gains.  Shovels will be preferentially requisitioned from the available supply for these Kulaks who are unwilling to cooperate, especially those who have refused to grant generous donations to the Party in small denominations.  Until the next dispatch, sit back and relax – it is going to be like the Kulaks ‘Christmas’!

Note: Since the term “Christmas” is considered so offensive at the ministry of Truth, we will soon begin the transition from the commonly used term “Christmas” to “Most Benevolent and Exhalted Leaders’ Meatless Winterfest”, and extra turnips will be distributed if they are available.

A New Day Dawns

Greetings comrades!  A new day dawns as the work to overthrow the bourgeois Republic of Kulaks gains unstoppable  momentum!
Comrade Most Exalted Leader today will host a ceremony to celebrate the passage of the Enabling Act.  I’m sure all of the racist Kulaks will somehow see significance in this day, just completely by coincidence coinciding with the anniversary of the 1933 Enabling Law passed by the Reichstag.
Dismiss these foolish comparisons!  Our own fearless Diet leadership has crafted a more masterful  ‘Law for Removing the Distress of the People and the Reich’ which bears absolutely no resemblance to that used by previous National Socialists to overthrow their own republic.    Our leaders have done a masterful job of crafting a much more indirect route to the creation of The Peoples paradise as foreseen by Fearless Leader Most Exalted ObaMao.  Previous governments foolishly chose a direct approach, penning only a single page.  Our Enabling Law is several THOUSAND pages.  The Kulaks will never be able to unravel this Gordian knot before it is too late!
Says a government spokesman:  “The government will make use of these powers only insofar as they are essential for carrying out vitally necessary measures…The number of cases in which an internal necessity exists for having recourse to such a law is in itself a limited one.”
So comrades, go forth and cast aspersions on all Kulaks who would question the wisdom of our own superior  Ermächtigungsgesetz.  Be certain to collect and make note of their names, as preparations for “shovel ready” work camps are being made!

Link for more information….

2006 Field Day as N4PY

img_2941.jpgI got to work with Nate, N4YDU, Carl, N4PY, and Brent KO4PY for field day again this year. Brent’s son Cevin joined us this year to man the GOTA station. This year’s operation was up in the mountains at Doughton Park. Carl, N4PY negotiated the arrangements with the park ranger there to allow our use of the shelter at the top of a 3900 foot peak.
Continue reading 2006 Field Day as N4PY