01 July 2019

Sea of Peace Award 2019 (SOP) started!

Sea of Peace Award 2019 (SOP) started!
If you want to get beautiful pennon or following your last year achievement you would like to continue to get sticker then you should turn on your radio and pay attention to the stations from the required countries during the July 2019...

This certificate in form of a silk pennon will be awarded for QSOs with the Baltic neighbouring states and regions in July. Annual stickers can be acquired for repeated fulfilment of the rules during the subsequent years.

Beyond coming SOP-owners will receive special recognitions after 5-and 10-times achievements of the pennon and stickers.

This popular certificate was awarded by the amateur radio organisation of the former GDR in 1958. And has been continuing by the DARC district Mecklenburg-West Pomerania since 1991.
The DARC district Mecklenburg-West Pomerania publishes this honouring since 1991 to all licensed radio amateurs and SWLs, in the time from the 01.07., 00.00 UTC, to 31.July, 23.59 UTC per year, who fullfilled the following rules:
     EU   -  applicants: 15 points, of it 3-DL points
     DX   -  applicants: 10 points, of it 1-DL points
     VHF - applicants: 
5 points, DL points are not necessary
Points:A QSO with a station from the DARC district Mecklenburg-West Pomerania
(DOK  Vxx  additional Z87, Z89, MCM, MVP, SOP, YLV) counts 3 points, all other German stations (max. 3 stations) and stations each once one pouint.
QSOs with stations in the following countries and districts count in each case once one point.

There are no band- and modes of restrictions. Beginning in 1992 SOP sticker (small pennons) are published for renewed fulfilling of the conditions. The SOP pennon is pentagonal and multicolored; 22 cm wide and 33 cm long. The sticker about 7 cm wide and 10 cm long. As a bonus after 5-times achievement of the SOPs the applicant receives a special sticker (free of charge), after 10 years achievement a certificate.
Supplement for 2019: Foreign stations with the suffix "SOP" (e.g., OZ4SOP, SJ1SOP...) count as a joker for a not achieved area if they are activated in the current year...

Log extract - please till 31 August every years - Calls alphanumerically listed
Manager: Georg Tretow - DL4SVA, P. O. Box 1114, D-23931 Grevesmühlen, email: DL4SVA@darc.de
Fee :  SOP pennon  DL 12 Euros, non DL 15 Euros, SOP Sticker 5 Euros

The manager sends an email with the account data.

On-line applications are preferred.


73 - Petr, OK1RP


28 May 2019

No response from the MSG, PRE and ATTN keys on Elecraft KX3 - solution

No response from the MSG, PRE and ATTN keys when either press or hold them on Elecraft KX3

Petr Ourednik, OK1RP, ok1rp@fastmail.com.au

Some KX3 users found that 3 buttons on their KX3 stopped working. They get no response from the MSG, PRE and ATTN keys when they either press or hold them.

If you know that your MSG and PRE keys were working earlier when you set up a voice message to send your call sign and now no responding anymore > ON/OFF did not helped and rest of buttons tested and works well… here is the way how to fix the issue on your KX3 radio. 

1. Remove all cables and use some ESD protection tools on bench (at least discharge themself to grounding point)

2. Unscrew four main thumb screw and open the KX3 carefully

3. In the middle you will find flat (like PC) flex cable (we say ribbon cable) conecting both sides together

4. Even although it seems that on both sides the flex cable is seating well in > remove it carefully on both sides. You will have two parts of KX3 > still connected together with battery cable (if installed as shown on Page 41, Fig. 62 of manual) + the flex cables on the table. If the battery opt. is not installed then you will have two separated KX3 parts + ribbon cable on the table. See the page 40, 41 of the manual here: https://ftp.elecraft.com/KX3/Manuals%20Downloads/E740164%20KX3%20Kit%20Assembly%20Manual.pdf


5. Clean the pins in PCB with isopropylalcohol and blow out dust residues in connectors on the flex cable  

6. Re-seat/instal the flex cable back to KX3 carefully. Be sure that the ribbon cable is oriented with the long tab toward the speaker and all pins are engaged when you will put it back to your radio. See Fig.61 on Page 41 of the manual here: https://ftp.elecraft.com/KX3/Manuals%20Downloads/E740164%20KX3%20Kit%20Assembly%20Manual.pdf

7. Check again that flex cable seats well fully engaged and there is nothing forgoten inside of KX3.

8. Close the top and bottom covers of your KX3 carefully and secure them with thumb screws.

CAUTION: As you close the covers ensure that the flex cable folds into the space next to the CP board connector as shown. Do not allow it to fold toward the battery holders. If the flex cable resists pushing into the space next to the CP board connector, use your finger to gently crease it along the edge of the connector as shown in Figure 61 of the manual.


9. Turn on KX3 and enjoy with all buttons functioning again... :)

NOTE 1: As the ribbon cable had to be re-seated in this procedure > if you have clean pressed air available with few bars pressure and fairly dried (-83deg C dew-point in my case) I am recommending clean the connectors carefully on the ribbon cable using the pressed air to blow-up the dust residues before installing it back.

NOTE 2: If you have the similar symptoms (MSG, PRE and ATTN buttons issue) on your KX3 then try this repairing procedure first before more complicated actions like hard-reset to factory defaults or so. It is easy and can help in few minutes.

NOTE 3: I should note that the ribbon cable is not loose when you will open your KX3. You will find that it is fully inserted. Even although you will pull it out, clean and push it back in and things will start working.

Hope it helps.

73 - Petr, OK1RP
"Apple & Elecraft freak"
MeWe: https://bit.ly/2HGPoDx
MeWe: https://bit.ly/2FmwvDt


Repairing document done by P. Ourednik, 28-May-2019. Document 05-19, rev.1.0

29 November 2018

Looking for clean SS HF PA w/QSK - part 6 (Russian Burst-2000A)

Hi all,

Thanks to www.cqdx.ru we can see very first general specification of the new LDMOS HF PA which is rated at 2.2kW output thru all HF bands up to 50MHz:


As you know my preview parts talked about:
ACOM 1200S
LINEAR Amp Gemini HF-1K

Azden AZR-1000

Elecraft KPA1500

The Burst-2000A is using water cooling system and it is promising all possible protections which could be implemented.

An interesting think is the exciting power just 15W only to get full power of 2.2kW and full automatic switching system.

Unfortunately it looks like there is no ATU inside and mainly there is nothing said about the T/R system used in the amplifier. So we can doubt if this LDMOS PA has full, fast and silent QSK implemented.

So we will have to wait until more information will be published...

73 - Petr, OK1RP
"auf die Dauer hilft nur Power" (Erich, HB9FIH)

25 July 2018

VHF / UHF Field Day 2018 from 220m ASL QTH...


so the VHF / UHF Field Day 2018 is finished.

I participated in the contest with son Jakub from OK5T contest QTH together with the rest of the team. In summary it was nice weekend with lot of very enjoying QSOs on 2m and mainly on 70cm... even although this QTH is only 220m ASL.

Any kind of QSO on 70cm is challenge from this QTH, hi...

The only 100W transceiver in small pistols category using the 1x LFA (G0KSC) antenna this year at the 220m ASL is not predestined to win on 2m. On the other hand I have to say it worked well thanks to good condx and mainly thanks to an excellent antenna!

At the beginning IQ5NN (774km) station came with nice sigs so Ludek, OK1VSL was pleased to start first hour of the contest with nice DX.

Everything worked well all the time including the second operating position for 70cm band where Jakub, OK1-36357 aka OK1RCG spent maximum time and his effort in order to try what is possible with installed setup and low profile, low ASL QTH and tried to get as best result as possible.

The current club's 70cm setup is using 20W from FT-857D (many thanks to Mira, OK1JMJ) into small 14el. single yagi, so it is hard job to get some reasonable results over there...

The only interesting thing was at the beginning of the contest that most of the sigs had very fast QSB and lot of calling stations disappeared during first shot.
The most important time for me was Sat/Sun night when I planned some DX-ing on CW. It was a bit dissapointing for me but even although I expected a bit more from this part time I worked stations over 500km away on 2m and some stations over 400km on 70cm band.

The assembling the 70cm station in the car was funny and Ludek, OK1VSL had to make light gymnastic figures, hi...

My son Jakub enjoyed his "Scouts" VHF Field Day part on 2m as OK1KDG where he made a bit lower result refer to last year probably also thanks to single LFA only compare to last year.

We enjoyed the sunshine WX with hot temp over 30C deg and sausage BB in the Sat evenning so it was enjoyable weekend for all the team I hope.

Finally we worked 93 QSOs with over 18k points on 70cm in VHF/UHF Field Day this year using only 20W out into 14el. single Yagi as OK5T mainly thanks to Jakub! Well it is the best club's result with this setup from our 220m ASL QTH...

Also some paddles and keyers were tested Sun morning by all club's mates so we enjoyed the CW not only on the air, hi.


Even executive director and club's cheef Ludek, OK1VSL "itself" played with my Hex key from Bencher a bit under precise supervision by top-class telegraphist Lada, OK1DGU (on the right)...

Many thanks for all nice QSOs during the enjoyable weekend and hope to hear you again on the air soon.

"Scouts" VHF Field Day claimed score:
Scouts VHF Field Day final results 2018:

73 - Petr, OK1RP

23 July 2018

PigKnob - another external knob for your Elecraft rigs

Hi all,

my PigKnob is ready to be used again after opt. encoder replacement.
Some people are asking for difference in between the
PigKnob and KPOD...

The PigKnob is a remote tuning knob for amateur radios that use a plain-text based control protocol (Elecraft, Kenwood, new Yaesu). It has 8 tactile switches and an optical encoder with a solid aluminum machined knob. All functions on the PigKnob from the switches to the encoder clockwise/counter-clockwise actions are user customizable.

The PigKnob has two serial ports, one for your computer and one to your radio. The device will proxy serial data from your computer to the radio enabling you to run your rig control software on your computer and use the knob at the same time; it connects in-line.

The PigKnob consists of two circuit boards, one in an enclosure and one bare. They are connected with 6 conductor ribbon cable. This reduces cable clutter on your desk, keeping the serial cables and power out of sight.

So in summary...

PigKnob by Pignology, LLC sends it's commands to the K3 via the serial port. When you are operating remotely, that port is connected to the RemoteRig interface.

KPOD by Elecraft connects to a jack on the bottom right edge of the front panel that Elecraft normally uses for final testing of factory-assembled radios and doesn't interfere with the serial port.

The PigKnob stores the desired commands in its memory and sends the commands when asked to. The KPOD does not store any commands. The desired strings of commands are stored in the radio using the K3 Utility. All the KPOD does is activate one of those 16 macros when you tap or hold one of the 8 buttons.

In the case of a remote station, the macros are stored in the remote host radio, not your local control radio. If the system is yours and you're the only operator this works fine. If the station has multiple users, then there has to be some agreement on what macros will be stored.

The KPOD is somewhat expensive. If you have own antennas at home then you will be happy with that PigKnob.


73 - Petr, OK1RP

04 July 2018

SMA/N and SMA/UHF + SMA/BNC jumpers


The measuring SMA/N and SMA/UHF + SMA/BNC jumpers arrived. I will measure them on VNA in lab before any assessment or judgment. I ordered several versions for lab test with N, UHF, BNC using the RG316 PTFE coaxial cable. As I said several times I hate Chinese craps but these looks well for the first view...

Product NameCable Connector
TypeN Type Female to SMA Male
Cable TypeRG316 Coaxial Cable
Cable Length22.5cm/9"
Main MaterialMetal, PTFE
Main ColorBlack.Gold Tone
Package1 x N Type to SMA Cable Connector Cable

I will make the lab report and short review of the jumpers when lab time will be available.

73 - Petr, OK1RP

A1 Club - 20 years Anniversary QSL cards

A1 CLUB has been established in October 1998 by 11 charter members who gathered under the same slogan "Let's gather CW lovers, enjoy CW and attract people to CW"

After 20 years, A1 CLUB has grown with more than 3000 members from 50 countries worldwide as a free and open community which anyone who has interest in CW can join.

A1 CLUB has been and will continue to be a supporter of "CW" as the only one digital mode which can be code and decode by human.CW4EVER!

My new 20 years A1 Club Anniversary QSL cards are ready to go...

QSL policy: Effective from 1st Jan 2017 please paper QSL via OM-bureau only!(S.A.R.A. P.O.BOX 14, 900 31 STUPAVA, Slovakia)

73 - Petr, OK1RP