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SARL Today HF Update with ZS4BS VHF/UHF News with Mike Bosch ZS2FM Contest News with Geoff ZS6C SARL Forum current topics Commercial Hamads

SARL AGM 2016 and National Convention

20-21 May 2016

Click here for all the details




SA AMSAT SPACE SYMPOSIUM 2016 -  Students from the Cape Peninsula University of Technology will present a paper at the AMSAT SA Space Symposium on the high frequency beacon transmitter developed to test a three element direction finding array constructed at SANSA Space Science in Hermanus to receive the 14 099 kHz HF beacon signal from ZACUBE-1 and future ZACUBE-i space weather missions. A ground-based transmitter was developed for verification and calibration of this array. The signal will be used to verify the operation of the hardware and software used to determine the direction of arrival of the incoming signal. Download the full programme to see all the great papers to be delivered and the subjects to be discussed . Details here. Book early to benefit from the early bird rates and get a SA AMSAT or SARL member discount.  

The Antique Wireless Association's Valve QSO Party  - it will take place over the weekend of 7 and 8 May with the AM QSO Party running from 13:00 to 17:00 UTC on Saturday 7 May and the SSB QSO Party from 13:00 to 17:00 UTC on Sunday 8 May. Activity takes place from 7 063 to 7 100 kHz and 3 603 to 3 650 kHz and the exchange is your call sign, a RS report, a consecutive serial number starting at 001 and the type of radio used. The log sheets must be submitted by 23 May 2016 to All the information on the QSO Party is available in the 2016 Blue Book. 


Afrikaans met  Dawie Conradie ZR6DHC  luister  hier 
English with Denis Green ZS4BS   listen/download here

Amateur Radio Today with Hans van de Groenendaal ZS6AKV  listen/download here or get more details about the programme and transmission times and frequencies here    


2016 ARRL Handbook  is now available - The SA Amateur Radio Development Trust online bookstore has the 2016 ARRL Handbook in stock. Also amongst new arrivals is the McGraw Hill Arduino Projects for Amateur Radio. Visit for details and an orderform 


 ARiA Frequency Counter kit now available - The SARL ARiA frequency counter kit is now available by mail order or collection from the National Amateur Radio centre. There are two mail order options, via Postnet or post office small parcel service with tracking number.

The frequency counter exhibits several interesting features, like a maximum working frequency above 40 MHz, a 10 Hz resolution, low consumption (15 mA) and is easy to build. It is the ideal weekend project. The design is simple, given that most of the functions are implemented by the microprocessor which is supplied pre-programmed. For those who want to use the basic unit above the normal HF frequencies space for a  pre-scalar IC circuit is on  the PCB layout and in the schematic layout. This IC is not included in the basic kit can be order at an additional cost. This kit is ideal to meet the requirements of the amateur radio regulations which require that every amateur has a reliable method of measuring the transmit frequency.  Get the orderform here  

Special for SARL members - order before 23 March  and get an additional discount of 10%  

 New 5 MHz allocation for amateur radio agreed  at WRC15- New allocation for amateur radio service in the frequency band 5351.5 - 5366.5 kHz will maintain stable communications over various distances, especially for use when providing communications in disaster situations and for relief operations.  The South African Radio League has worked closely with ICASA and carried out propagation studies on two frequencies licensed by ICASA for this purpose.

It is not clear when the new allocation will be made available an replace the two frequencies that ICASA  allocated to members of the SARL. The current two licensed frequencies are 5260 and 5290 KHz . The SARL is meeting with ICASA on

 29 January 2016 for a workshop to consider various aspects of amateur radio licenses.  Access to the 5 MHz band will be one of the agenda items.  The current license has been extended to  26 March 2016



ICASA RULES ABOUT ZU LICENSES FOR PEOPLE OVER 25With the publication of the new radio regulations earlier this year, the much talked about age restriction for ZU license holders was implemented. Persons under 20 years old can write the class B examination and if successful can hold a ZU or class B license until 25 years old after which, if they would like to continue with Amateur Radio, have to sit the class A examination to qualify for a class A (ZS/ZR license).


HF UPDATE WITH ZS4BS (updated 1 May2016) 

2016 Digital Mode Most Wanted Survey (Press Release). All digital operators are invited to participate in the "2016 Digital Mode Most Wanted Survey.” Previously known as the "RTTY Most Needed DXCC Entities Survey" in 2002, 2005 and 2011, the name has been changed to reflect current times and to be more in line with the Digital DXCC award. Several entities at the top of the 2011 list have been active recently, so now is a good time to find out what is needed on the digital modes. The survey can be found at 

Please be sure to read the "How to use the 2016 Digital Mode DX Most Wanted Survey" at the top of the page. The survey will only be available for two weeks and will close at 23:59 UTC on Friday 13 May 2016. So do not delay, please complete the survey promptly. It is our hope to have the results available before the Dayton Hamvention. It is very important that every digital operator take part in the survey in order to achieve the most accurate results possible. These surveys help DXpedition planners and are of interest to all digital operators. Feel free to forward this invitation to other groups. 

A new feature has been added to this year's survey. It is now possible to work on the survey, take a break from it and resume it later. You do not have to complete the survey all at one time. There is a button at the very end of the survey that says "Resume Later.” Clicking this option will bring you to a page that asks for your name, a password and e-mail address. An e-mail will be sent to you with a link that will bring you back to the survey you were working on. Alternatively, you can resume the survey using your password. 

Previous survey results can be found here Thank you for your participation! 73 from the Survey Team - Don AA5AU, Ed W0YK, and Larry K8UT 

Pirate Alert. 'Hassan from Baghdad' has been "pirating and bootlegging” multiple calls for several years. He has been heard bootlegging the calls YI1HR, YI1H, YI1HRP and YI1HI and pirating the calls YI1BGD, YI1IRQ, YI1DZ and most recently TA7/YI1RZ. Unfortunately, in Iraq there does not seem to be any enforcement to take Hassan off the air, much less do anything about the situation. Therefore let us get the word out not to work or spot Hassan who operates on 20 metres SSB, usually around 14 178 to 14 188. In fact the best policy is to ignore him completely on the air.” 

Easter Island. Martin, LU9EFO will be active as CE0Y/LU9EFO from Easter Island (SA-001) between 5 and 13 May. QSL via F4BHW (direct) or LU9EFO (bureau). 

Sable Island. Aaron, VA1AXC is once again active as CY0/VA1AXC from Sable Island (NA-063) until mid-June. In his limited spare time, he operates SSB only mainly on 20 metres. QSL via JE1LET, direct only. 

Russia. R2016DR (QSL via RK9DR) and R1895DR (QSL via UA3FQ) will be active on 7 May for "Radio Day.” On 7 May 1895, Alexander Popov demonstrated his invention and these two stations will commemoration the development of radio in Russia. 

VHF+ UHF+ MICROWAVE NEWS by Mike Bosch ZS2FM 1 May 2016 

# Link to SARL VHF, UHF & MICROWAVES DX TABLE Click here  

WHY ARE OUR RADIO AMATEURS NOT EXPLORING MICROWAVES LIKE THEIR FOREIGN PEERS? – The DUBUS amateur radio magazine publishes many amateur microwave experiments that happen worldwide. It records amateur activities on Super High Frequency (SHF), 3 – 30 GHz. from countries such as Germany, UK, Spain, Italy, France, Sweden, Australia and USA etc, as well as on Extremely High Frequency (EHF), 30 – 300 GHz spectrum, and the establishment of many new records. 

In earlier years a number of South African amateurs set up records on the microwave bands too that are still standing today. It all started in 1962 at East London when Arthur ZS2CK and Mike ZS2FM recorded the first microwave amateur QSO on 10 GHz (3 cm) using homebuilt klystron transceivers. With the advent of Gunn diode oscillators a spate of new microwave records were established from 1976 on microwave frequencies between 1,3 GHz and 47 GHz all on FM, which featured ZS6BNT, ZS6ML, ZS6BG, ZS6ANL, ZS6ASO, ZS6KX, ZS6BTY, ZS6BMS and ZS6AOU. 

The current terrestrial microwave records on 1,3 GHz and 2,3 GHz are still held by Dave ZS6BNT and Gary ZS6ASO over 422 km and 198 km respectively. Ivo ZS6AXT and John ZS6JON established the present records on 5,7, 10 and 24 GHz over distances of 151, 299 and 56 km, respectively. The one and only record set up on 47 GHz by Arnold ZS6BMS and Julian ZS6AOU is still standing on 21,2 km. Ivo ZS6AXT pioneered EME on microwaves. His current EME records are: 1,3 GHz with WB0QMN 15 407 km; 2,3 GHz with NU7Z 16 482 km; and 5,7 GHz with W7CNK 14 745 km. Who will be next to break any of these records?

VHF NEWS FROM ZS3JPY AT KLEINZEE – Kobus v.d. Merwe, ZS3JPY, writes: “Just an update, I had a simplex QSO with Charles ZS1CF on 145,500 MHz FM in Langebaan. Now what happened was the 145,700 repeater was 58 with me while the Hamnet bulletin was on the go I reported in and said I am on 145,500 and called on 500 simplex for anyone to RX me please call. Charles came back and we had a good QSO but he said he doesn't understand what's happening, his 10 element 2m Yagi is fixed towards Table Mountain. And how is this possible that we can have a QSO. I realized that at times the repeaters in Cape Town are 59 RX/TX here with me but no simplex contacts. So is the 700 repeater antenna mounted on the side of the tower towards the Mountain and the bounced signal is reflected back to me and my RX signal is also reflected back to him. The guys beaming direct to me no RX on simplex but RX 58 via the 700 repeater good back scatter reflection one to remember on 2m simplex. 73s Kobus ZS3JPY, Cell. No.082 461 2819.” 

IS CW STILL RELEVANT? – Mike K7RVX informs us that CW will get through when NOTHING else will, including all the wonderous digital modes like PSK-31. Many times he has been on 20-metre PSK when none of the waterfall signals he was seeing would print, and then drop down to 14,060 MHz and work QRP DX right off the bat. So let’s try it out on long distance VHF and see what happens. 

SIMPLEX TESTS ON 145,500 MHz FM – Jaco Cronje, ZR6CMG, reports: “On Tuesday 26 April there were six stations from Pretoria active: ZS6PJH, ZR6CMG, ZS6IO, ZU6CC, ZS6EFN and ZS6ZO. Thursday 28th there were in total 13 stations active on 145,500 MHz FM and 144,300 MHz SSB. FM stations: ZS6FDK, ZS6AVH, ZS6ZO, ZS6IO, ZS6EFN, ZR6CMG, ZS6TVB, ZS6AGR, ZS6LMD. SSB stations: ZR6CMG, ZS6OB, ZS6BUN, ZS6AVH. 

“Just a remainder that we will be active Tuesday and Thursday evenings from around 19:00 CAT on 145,500 MHz FM  and 144,300 MHz SSB in Pretoria, West Rand and East Rand. Everyone is welcome. For more information feel free to contact me on 081 474 2220. – ZR6CMG.”

Carl Minne, ZS6CBQ says: “Well done Jaco we need someone to run a group for the guys on FM vertical. I will join the group next week when I am back home.” 

HI FROM EAST LONDON – “What a poor week we are having on the S. E. Coast. I called CQ again jast night as usual, but no one was heard not even Dave ZS5DJ. Only a S3+ of noise lifting my lazy S-meter. It also does not look good, as per the Hepburn charts for the rest of the week. With the WX changing so fast propagation may take a change for the better. So keep your ears open and the radio switched on. Peter ZS2ABF.” 

70 MHz NEWS UPDATE BY V51PJ – “Christo ZR6AUI finished his 4m antenna. We did a test run just now to see if he could pick up anything and yes he is hearing the pings on FM using a Neutec Ranger radio. He has to sort the microphone, PTT and speaker out first and then by tonight or tomorrow we will be able to do a test on MS using 4m FM mode with FSK441. de Pieter V51PJ.”

THE ENTIRE VEHICLE NOW BECOMES AN ANTENNA SYSTEM – High-frequency antennas transmit radio waves across vast distances and even over mountain ranges using very little energy, making them ideal for military communications. These devices, however, have one big problem: They need to be huge to operate efficiently. Instead of adding more bulk, University of Wisconsin–Madison engineers are working to increase the effective size of antennas by turning the military vehicles that carry them into transmitters—using the structures that support the antennas themselves to help broadcast signals. 

CONTEST NEWS WITH ZS6C Updated 14 April 2016 

HOLYLAND CONTEST: Friday 15 of April 21.00UTC - Saturday 16 of April 2016 21.00UTC. Aim: To promote contacts between Radi o Amateurs around the globe and Israeli Hams. Modes: CW; SSB; Digital; Mixed: Exchange: Worldwide stations send RS(T) + QSO number starting with 001. Israeli stations give RS(T) and 'Area'.

2016 YU DX Contest: Objective: To contact as many stations around the world, and prefixes starting with YT and YU as many as possible. Date and Time: April 16/17 – Saturday 21:00 -Sunday        04:59:59 UTC, Sunday   09:00 -            Sunday 16:59:59 UTC. It’s obligatory to make pause from 05:00:00 UTC to 08:59:59 UTC. Mode, Bands: Only CW, all bands 1.8 - 28 MHz, except WARC bands.

ZS4 Sprint: Aim: This is a fun activity to promote contacts between radio amateurs in the Free State and radio amateurs in Southern African countries. Date and Time: From 14:00 to 15:00 UTC Sunday 24 April 2016. Exchange: ZS4 - RS(T) and town name or abbreviation. Other - RS(T) and provincial or country abbreviation. Frequency: A phone and CW contest on the 40-metre band CW: 7 000 to 7 040 kHz, SSB: 7 063 to 7 100 and 7 130 to 7 200 kHz. See “Blue Book” for details

SPDX RTTY Contest:  Date: April -  23/24:  Contest Period:   12.00 UTC Saturday , through 12.00 UTC Sunday. Bands: 3,5 - 28 MHz without WARC bands. Mode:  RTTY:,spdxrttyen.html

Russian WW MultiMode: Mode: BPSK63, CW, RTTY and SSB: Date:  from 12.00 UTC on Saturday 30th April till 11:59 UTC on Sunday 1st May, 2016 . Bands: 160 m, 80 m, 40 m, 20 m, 15 m, 10 m.

Antique Wireless Association Valve QSO Party:  Aim: The aim of the AWA Valve QSO party is to create activity on the 40 and 80 metre bands. It is a phone only contest using AM and SSB. Preferably, valve radios, or radios with valves in them may be used. No linear amplifiers may be used. Date and Time: AM QSO Party, 13:00 to 17:00 UTC Saturday 7 May and SSB QSO Party 13:00 to 17:00 UTC Sunday 8 May. See “Blue Book”for details

His Majesty The King of Spain CW Contest:  Dates: CW:  1200 UTC Saturday till 1200 UTC Sunday (May 21-22, 2016). Bands: 10, 15, 20, 40, 80 and 160 meters, according the IARU Region 1 band plan.

SARL Forum Active Topics
Windows 10 
 1  2  3  4  5
05/05/2016  22:34:38
by: ZS6PHD
VHF Activities  05/05/2016  18:02:26
by: ZS6IO
 1  2  3  4  5  6  7  8  9  10
05/05/2016  15:04:40
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designing crystal filters  05/05/2016  12:19:17
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   21  22  23  24  25  26  27  28  29
05/05/2016  07:33:41
by: V51PJ
How can we boost activity again on vhf and above 
 1  2  3
04/05/2016  22:15:45
by: V51PJ
Digital  04/05/2016  13:54:26
by: ZS1OA

Commercial Hamads 

Technical engineering support services offered to companies in terms of project engineering and management on a consultation basis (short or long term) . I also offer technical training ( in house only)  ( for technicians and project engineers ) in the field of electronics , electrical and instrumentation.I am an licensed professional engineer , Please contact Steve Roux  ( ZS6XRS) , +27(0)72 116 6050 ;

Jeg Technologies
Design and manufacturing of control panels for the industry. Installation of ac drives, soft starters, dc drives. PLC, control stations, mimic panels. Earthing and lightning protection. Back-up generators, commercial, domestic and industrial. Fire, smoke and heat detection. Solar panels, batteries, inverters and regulators. Temperature controllers, RTDs, thermocouples. Gas detection. Hygrometers. Contact Eddie (ZS6DAY) @ 0823303558, or E-mail: .



Direct importer of a wide selection of SWR meters, H.F., V.H.F. and U.H.F. base and mobile antennas. Amateur radio transceivers, antenna analyzers, etc. Affordable shipping costs for out of town customers and subsidized shipping to SARL members. Check out all my amateur radio goodies here. 0720268909.


Light Engineering Works

General engineering, part remanufacturing  turning, milling, drilling.Specialised welding of steel, stainless steel, aluminium and cast iron.Gear repair and remanufacturing.Prototype industrial and automotive  parts and brackets made to specification,  Heavy duty antenna support and Mobile brackets including standoff brackets and antenna parts manufactured.Tower and tower part repairs also undertaken. Contact Willie Wright ZS6WC.0823351356.


Place your commercial hamads on the home page.  Book a six months space for R300 or 12 months at R500 prepaid with order   The advertisements will be  text only up to 60 words including address, telephone number and click through URL to advertisers' website and email address. Adverisement can be changed  Send your contact details to and we will contact you or call the NARC at 011 675 2393

What is Amateur Radio ? 

Tell me more  about Amateur Radio

Radio Amateurs, or "Hams" use two-way radio communication to make contact with other radio amateurs all over the world. They are even able to use satellites and on occasion speak with astronauts. Radio Hams can do this from home or while mobile in cars, boats or on foot.

Radio Hams have a full range or communication modes at their disposal. These include plain voice, Morse code, numerous digital computer modes and even graphical modes like television. As a licensed amateur radio operator you will be able to join in experiments using all these modes.

mateur radio can be enjoyed by young and old, male and female, even the most severely disabled can make friends around the world from their own home. This hobby knows no boundaries.

Random Photo from the Call book.

 Johan van Aarde, ZS4I


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Worked All ZS award
An interesting operating goal

The entry level for the WAZS award is 100 different call signs. The programme has recently been expanded to include higher level endorsements, such as WAZS-200, WAZS-300, etc. Endorsements may also be obtained for specific modes, eg: CW, SSB, etc.
Click here for more information...

lboat034a.gif (1979 bytes)SA Maritime Net
The South African Maritime Net operates 7 days a week, and provides weather reports from around the coast, and maintains contact with boats off the coast of South Africa and up into the Mozambique channel.  There are two regular schedule times as follows:
  • 06:30 UTC: Starts on 14316 kHz for 5-10 minutes, and then moves to 7,120 kHz.

  • 11:30 UTC:  Starts on 14316 kHz for approx. 30 mins and then moves down to 7,120 kHz.


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