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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


FREQUENCY CHANGE FOR AMATEUR RADIO TODAY- From 26 March 2018 the frequency of Amateur Radio Today's Monday repeat transmission will change to 3230 kHz. Reception reports are invited to

Amateur Radio Today and SARL NEWS

Listen to  these programmes on line or download to retransmit on local nets, a SARL service to Radio Amateurs. Get the transmission schedule here .

Sunday 11 March 2018

SARLNUUS met Irene Jan Kramer ZS6JRK Luister hier

SARLNEWS with  Dave Reece ZS1DFR download/listen here 

AMATEUR RADIO TODAY with Hans van de Groenendaal ZS6AKV listen here or for more details click here 

National Convention Accomodation - It is important that SARL members book your accommodation for the weekend as soon as possible to avoid any disappointment. Farm Inn has various accommodation types available from Deluxe to Economy rooms at various rates. There is still ample accommodation available for the weekend and members are requested to mention that you are attending the SARL AGM when making your booking. Upon confirmation received this morning, it can be confirmed that there is still ample accommodation available over the weekend and members are urged to ensure you book your accommodation soon rather than later. Accommodation can be booked online at or by phone on +27 12 809 0266/77

There is also various alternative guesthouse accommodation available around the immediate vicinity of the Farm Inn which can be used as alternative accommodation should you wish not to stay at the Farm Inn, to name but a few - Casa Flora Guesthouse, The Links guesthouse, The Lakes Executive, Villa Africa, Peter’s Guesthouse If you are planning to bring your caravan, you can try the Nkwe Resort

SDR Workshop at NARC to address Antenna issues -The next SDR workshop  which was to  be held at the NARC on Saturday 5 May 2018

March/Maart 2018 Radio ZS - Now available to all! Click here to download a copy

  • The Bouvet 3Y0Z DXpedition in Cape Town
  • Ham Radio "A Special Hobby"
  • Bringing More Youth into our Hobby
  • Die Oos-Transvaal Laeveld (OTL);
  • Ultra-Light Portable Iambic Key (download this article)
  • Learn CW (Morse Code) as a language and
  • Cell Phone Headset Interface

IARUMS News February 2018 can be downloaded from Also visit

EQUINOX CRACKS IN EARTH'S MAGNETIC FIELD: The vernal equinox is less than 10 days away. That means one thing: Cracks are opening in Earth's magnetic field. Researchers have long known that during weeks around equinoxes fissures form in Earth's magnetosphere. Solar wind can pour through the gaps to fuel bright displays of Arctic lights. Even a gentle gust of solar wind can breach our planet's magnetic defenses.

This is called the "Russell-McPherron effect," named after the researchers who first explained it. The cracks are opened by the solar wind itself.  South-pointing magnetic fields inside the solar wind oppose Earth's north-pointing magnetic field. The two, N vs. S, partially cancel one another, weakening our planet's magnetic defenses. This cancellation can happen at any time of year, but it happens with greatest effect around the equinoxes. Indeed, a 75-year study shows that March is the most geo-magnetically active month of the year, followed closely by September-October--a direct result of "equinox cracks."

NASA and European spacecraft have been detecting these cracks for years. Small ones are about the size of California, and many are wider than the entire planet. While the cracks are open, magnetic fields on Earth are connected to those on the sun. Theoretically, it would be possible to pick a magnetic field line on terra firma and follow it all the way back to the solar surface. There's no danger to people on Earth, however, because our atmosphere protects us, intercepting the rain of particles. The afterglow of this shielding action is called the "aurora borealis."


DURBAN SDR Workshop well attended - over 30 delegates from across KZN attended the SDR workshop held in Durban on Saturday 3 March. It was hosted and arranged by the Highway Amateur Radio Club in cooperation with AMSATSA and the SARL. (Pic by Pravin Kumar ZS5LT)



Chris Burger ZS6EZ wins EE Publishers best technical article award - Chris Burger ZS6EZ , from the CSIR Meraka Institute won EngineerIT’s Best Technical Article Award for 2017 for their article “TV white space for South Africa” which was published in the October 2017 issue of EngineerIT. It was co-authored by and Dr. Moshe Masonta.

This article provides information on recent developments in policy formulation for TV whitespace wideband networks in South Africa as a solution for the ever-increasing demand for additional radio spectrum.

 2018 National Convention and AGMThe 2018 SARL AGM Booklet is available for download. Go to the Members Only section of the web site to get all the information.

TAK-tenna antenna information required - We are looking for any owners and users of the TAK-tenna antenna willing to share information and operational experience for a test project to be conducted at the Paardefontein National Test Range on the outskirts of Pretoria. Although there is a lot of construction information available on the internet, a commercial model is now available with limited information. The commercial version will be formally tested later in the year at the National Test Range. If you have any information to assist with the test project, please contact L.P. Lindeboom on 083 629 1767 or e-mail to

2018 ARRL HANDBOOK -  The Handbook has been extensively updated, and includes significant new content. Each chapter has been authored and edited by experts in the subject.

For the new ham…you will be amazed at how quickly you become familiar, not only with the theory, but also with the practical aspects of radio – from long waves to microwaves. 

For the experienced ham…you’re in for a surprise and delight when you see the extent of the latest revisions. This edition is the most comprehensive revision since the 2014 edition.“ For more  details click here. Only 5 copies available

Amateur Radio License fee increase

ICASA has informed the SARL that the licence fee will be increased by 5.3% on 1 April 2018. The new fees will be 

1 Year   -              R 141.00

2 Year   -              R 269.00

3 Year   -              R 386.00

4 Year   -              R 492.00

5 Year   -              R 588.00  

ICASA will start the invoicing process for the 2018/2019 period from 5 February 2018. Radio Amateurs are reminded that it is their responsibility to ensure their license is up to date. If for some reason no invoice is received, check that ICASA has been informed of any address changes. 

Avoid the hassles of having to renew each year, opt for a multi-year licence. Simply, when renewing pay the appropriate amount. On the EFT state 5 Year licence and your callsign. Also send an email to with a copy of the EFT payment.

ICASA Licence Fees - DO NOT pay the ICASA licence fee into the SARL bank account, all moneys wrongfully paid into the SARL account will be refunded less the bank charges associated with these transactions.

The correct account for your ICASA Licence Fee is NEDBANK Account number: 14 62 00 29 27, Branch Code: 146245 - Corporate Client Services – Pretoria and in the reference field type in your licence number and callsign. 

2018 Advertising in Radio ZS and the SARL Web site

Radio ZS and the SARL web welcomes advertising. It is a source of information for readers. To place an advertisement in Radio ZS, contact Dennis, ZS4BS, at To advertise on the League web site, contact Hans, ZS6AKV at

Advertising Rates

Display (cameo) on home page and Radio ZS Strip advertisement (10 cm by 2 columns) - R500 pm - R2 500 for 6 months - R4 500 per annum

Commercial Hamad on home page - R60 pm - R300 for 6 months - R500 per annum

Terms and conditions

All contract advertisements content may be changed monthly on 5 working day notice

The rates are based on the complete supply of material in Jpeg unless otherwise negotiated. For artwork additional charges may apply as agreed

The content of the advertisements must comply with regulations and norms acceptable in South Africa

All advertisements are playable in advance by EFT to SA Radio League, ABSA, account no 4071 588 849 branch code 632 005

All correspondence and material must be sent to with a copy to

HF Update with Dennis, ZS4BS 24 March 2018 

Get your weekly copy of HF Happenings 

3C0W. The DXpedition to Annobon Island went QRT yesterday morning. The log will be uploaded to Club Log when the operators are back at Malabo. They will return home on the 27 March but no more 3C3W activity is planned.

9M0W. The Spratly Islands log has been uploaded to Club Log and the OQRS has been enabled. It contains 23 453 QSO made with 9 539 unique calls made between on 8 and 12 March.

Myanmar, XZ. XZ2A is "the first resident amateur radio station in Myanmar since 1962". The station is operated by Simon, HS0ZIB, who is currently licenced to use 15, 12 and 10 metres only. He operates SSB and various digital modes. QSL via LoTW or Club Log's OQRS. See for more information.

Guadeloupe, TO5. Pascal, F6ASS, will be active as TO5GI (GI stands for Guadeloupe Island) between now and 6 April. Activity will include the CQ WPX SSB Contest as a Single-Op/All-Band entry. QSL via F5XX.

Wake Island KH9, Philip, N7NVK will be on Wake Island (OC-053) for a rotation of three months on and one month off starting sometime in April. In his spare time, he will be active as KH9/N7NVK, for the time being running QRP into either a G5RV or a Buddipole. Once he determines his availability, he will post the information to (look for KH9/N7NVK). He plans to use LoTW and hopes "to work out the logistics and cost for the QSL cards for those that want them".

South Cook Islands, E5. Jim, KM7R, will be active as E51KMR from Jim's, E51JD, station on Rarotonga Island (OC-013) sometime in May. Activity will be on various HF bands. QSL via his home callsign.

Martinique, FM. Gerard, F2VX, is once again active as FM/F2VX from Martinique Island (NA-107) until 18 April. Activity will be on various HF bands using mainly SSB. QSL via F2VX, direct or by the Bureau.

Solomon Islands, H4. Haru, JA1XGI, will be active as H44XG from Honiara sometime between June and July (dates are not fixed yet). Activity will be on 40, 30, 20, 15 and 10 metres using mainly CW and sometimes FT8 (in the DXpedition Mode, if applicable). QSL via his home callsign, direct, by the Bureau or LoTW.

Curacao, PJ2. Mason, KM4SII, will be active as PJ2/KM4SII and part of a three-youth operator team as part of the Youth DX Adventure (YDXA) later this year. They will be active from the PJ2T contest station between 19 and 24 July. Activity will be on all bands and modes. Mason is hoping to do some digital as that is where Curacao is most needed according to ClubLog as well as a focus on the Asia/VK/ZL areas. Look for more details to be forthcoming. Also watch

VHF+ UHF+ MICROWAVE NEWS by Mike Bosch ZS2FM 11 March 2018 


In today’s tutorial we focus on Satellites. Four years after the launch of Sputnik 1 the first OSCAR was launched from the USA with a beacon transmitter on board.  OSCAR is the acronym for Orbiting Satellite Carrying Amateur Radio 

On 3 March 1969 AMSAT was established in the US. The first few OSCARS carried only beacons.  AMSAT OSCAR 6 was the first amateur satellite that carried a transponder.  This was the beginning of phase 2. Phase 3 are high altitude satellites such as OSCAR 10 and 13 and phase 4 will be geostationary amateur satellites. The first geostationary amateur satellite will be Es’hail – 2, to be launched later this year. It is sponsored by the Qatar Amateur Radio Club with the payload having been built by AMSAT DL. It will provide great coverage over Africa and Europe 

The phase 2 satellites were very popular during their short lifespan, and were joined by several Russian RS satellites with downlinks on 29 MHz.   As launches became expensive and free launches were difficult to secure, radio amateurs joined the Academic fraternity which developed the CubeSat concept, a small 10 x 10 x 10 cm satellite. The advances in electronics and miniaturisation of components has made it possible to pack almost as much capability in a CubeSat as in the earlier phase 2 amateur satellites.  

To operate a CubeSat in FM mode during overhead passes all you need is a handheld transceiver for 435 MHz and 145 MHz, but if you wish to work other satellites then you will need an all mode rig, and a small beam such as 145 and 435 MHz Yagis on a portable boom, or an arrow type, to increase your range. The current record for amateur satellites is about 8000 km, and can only be achieved with higher gain Yagis and higher power. 

South Africa has one CubeSat in orbit, TshipisoSat, developed and built by students at the Cape Peninsula University of Technology. Currently AMSATSA is developing and building a CubeSat  for now called Kletskous. It will have a 70cm up, 2 metre downlink transponder as part of its payload. You can find more about Kletskous on 

Next week we will look at Moonbounce (EME) 




Radio communications started off on long and medium wavelengths, first on Maritime Mobile spark transmissions, and later followed by AM Broadcasting. After radio amateurs discovered Shortwave DX communications the commercial world rushed down to Shortwaves too to make their worldwide transmissions. In time commercial stations realized that they need more bandwidth to operate their TV stations and also FM Broadcasting stations, which was then available on VHF. 

With the advent of commercial satellite operation DSTV became possible on the Ku Microwave bands. But for a small group, most radio amateurs were reluctant to explore these higher frequencies except for repeater operation on VHF. Fortunately there were a number of overseas amateurs who ventured to experiment on the microwave bands even as high as the Terahertz spectrum. What has now become clear is that DX can be worked almost daily on EME when the Moon is visible, using small portable dishes, low power and digital on microwave frequencies, which could be a boon for townhouse EME operation.   

REPORTS OF RECENT SARL VHF/UHF CONTEST – “I think the analogue leg went well – you always have the ones saying the opposite as they have no antenna or psu connected to the vhf and rigs above, Hi. I must really get skilled in CW – missed a lot of opportunities but I tried at least. Had a sort of success with Andrew ZS2PA but not for logbook logging – we both tried our hand at CW. We did test on voice too but then decided CW will be better for hearing something definite – it was done on 6m. Pieter V51PJ.” 

Thanks to everyone that made contact with ZS1CRG in Piketberg this weekend for the SARL VHF/UHFAnalogue Contest. Just following up on the forum conversations, we mostly had FM contacts on both 2m and 70cm. It should be remembered that most new hams are keen to participate but lack equipment with SSB and often are using one or other cheap Chinese handheld to get into things. This should not hold them back from participating at all. We made contacts with quite a few hams in Cape Town over the weekend running 5-Watt handhelds or a questionable setup by their own admission and low power but still able to make a QSO at +/- 100 km distances on FM. 

There is a lot said of these cheap Chinese radios but we can't ignore they open up the 70 cm band in particular for contacts that otherwise would not have existed for us despite being FM only. With a good external antenna or going to a high site, much can still be achieved for the new amateur using these. Just go out there and try! Unfortunately conditions just didn't work for us on SSB while pointed up north this weekend on 2m. We did note certain times of the day however seem to favoured 70 cm over 2m with the same distance covered and same power used. Thanks for a great contest again. 73 Dieter ZS1CRG.


“Was mobile along the Cape West Coast on Saturday afternoon and evening. Thank you ZS1CRG for giving me my longest distance 70 cm contact ever! Interesting that without changing equipment on both sides (just QSY from 145 MHz to 433 MHz) the audio is much better on 70 cm than on 2 metres. Dieter, the OM in Kleinzee (possibly Kobus ZS3JPY) has told me a few months back that he works two stations in the Piketberg area on 2m simplex fairly often, but has never been able to work via the 145,625 MHz repeater on top of the Piketberg mountain. Perhaps the Piketberg being "free-standing" on a fairly open countryside protrudes above the inversion layer? The same effects have been reported from Mont Aux Sources and Cathkin peak in ZS5. 73 Ean Retief, ZS1PR.”


“I also tried 2m with the guys on Piketberg Mountain – that made me think of the ZS2BWB incident. They were testing a 70 cm antenna – a rubber duck style at Piketberg Mountain while assembling the Yagis. Ken Tremeer, ZS2BWB, responded on their call and gave them a report. Of course they thought it was someone pulling a stunt on them. I also asked them to please respond to Ken’s call as it is a new UHF record to start and a once in a lifetime happening. To say the least Ken was not pleased at all with them. When they realized that it was indeed a ZS2 opening on 70 cm between Piketberg and Port Elizabeth it was far too late – no more good conditions at all.


“Same happened with me one year – I was still ZR1AEE then – new in the VHF arena and a 4-stack 10-element 2m Yagi array pointing to ZS6. I heard people call – called them back and the ZS6 field station I think it was West Rand then - they still went to a mountain or hilltop then for field day events and for contests. Ettienne ZS6Y still gave me their cell phone number and I called them to say that this is a real call. Well we also did SSTV and PSK31 then on 2m – a once in a lifetime happening. I booked the analogue and the digitals on the logs then for the competition – to me as a newcomer it was thought that it is normal to work ZS6 from ZS1 on 2m as it was my first competition then – I can’t remember if it was PEARS  or SARL competition then. Today I know better – it is a once in a lifetime happening!


“The days when we had no 4m yet – only commercial 4m – me and my dad built 4m handhelds then from modifying Uniden VHF portables – all passed sabs tests. We were busy in the workshop in Bellville when we heard Italians talking on the one 4m repeater based in Cape Town then. We – me and Shawn ZR1EV realized that the 4m band is open to Europe from ZS1 – now these portables were rated 7 Watts then – we connected it to the 4 stack dipole array and had QSO’s on simplex 4m commercial frequencies to taxi drivers etc in Italy – yes the English was an issue added the dialect too, This happened for 2 weeks continuous – we had to actually switch all local repeaters off as the Italian repeaters were coming in sometimes stronger than the local repeaters on 4m


“But again the point I want to make is to be there and to be aware that the bands are open – we just don’t know to where – take WSPR on HF as well as FT8 on HF as an example – activity shows where the bands are open although every day we hear – HF is dead. The sunspot is so low that they can’t even issue a number to it but the contacts are still there. If we can get activity in Africa south of the equator it will definitely bring a big change in VHF to light. What the African States can do in the meantime is to monitor our FM Broadcasting stations between 87,5 to 108 MHz near our northern border for openings on Tropo Ducting and Sporadic-E, which should inspire them.”



Classically, information travels in one direction only, from sender to receiver. In a new paper, however, physicists Flavio Del Santo at the University of Vienna and Borivoje Dakić at the Austrian Academy of Sciences have shown that, in the quantum world, information can travel in both directions simultaneously—a feature that is forbidden by the laws of classical physics. In classical communication, such as email, text message, or phone call, a message is embedded in an information carrier, such as a particle or signal that travels in only one direction at a time. In order to communicate in the other direction using the same information carrier, it is necessary to wait until the particle arrives at the receiver and then send the particle back to the sender. In other words, it is classically impossible to perform two-way communication by using the single exchange of a single particle.


However, this is exactly what Del Santo and Dakić theoretically show. To do this, they use a quantum particle that has been put in a superposition of two different locations. As the physicists explain, being in a quantum superposition means that the quantum particle is "simultaneously present" at each partner's location. Therefore, both partners are able to encode their messages into a single quantum particle simultaneously, a task that is essentially impossible using classical physics. Consider the simplest scenario, where two players, Alice and Bob, want to exchange a simple bit of information, i.e., either 0 or 1," Dakić explained. "They encode their respective bits (messages) at the same time, directly into the superposition state of a quantum particle. Once the information is encoded, the partners send their 'parts of quantum particle' towards each other. Positioned halfway in between Alice and Bob is a unitary device, which may be experimentally implemented by, for example, a beam splitter.

"Conditioned on the messages that the particle carries, when the particle hits the unitary device, it bounces back either to Alice or Bob deterministically," Dakić said. "More precisely, the unitary device guides the particle a 'smart way,' such that, at the end both Alice and Bob get the bit (message) that has been sent to them. For example, if the particle ends up with Alice, she would know that the Bob's bit was just opposite from her bit, and vice versa."


So in the end, both players send and receive a message—all within the same amount of time it would take to send a one-way message using a classical particle. These theoretical results have already been verified by a new experiment using single photons, reported by Del Santo, Dakić, and their co-authors. The experimental results further strengthen the new concept by showing that the communication is secure and anonymous. In particular, the direction of communication is hidden—an eavesdropper cannot tell who the sender is and who the receiver is. Consequently, the results may lead to improvements in quantum communication that has advantages in terms of both speed and security.

CONTEST NEWS WITH ZS6C Updated 25 February 2018 

SARL Digital Contest: Aim: To establish as many contacts as possible between radio amateurs in Southern Africa using the FT8 / RTTY mode(s). The contest is open to all radio amateurs in Southern Africa. Date and Time: 14:00 UTC to 17:00 UTC on Sunday 25 February 2018. Bands: 80 metres (3 580 to 3 600 kHz), 40 metres (7 040 to 7 060 kHz), 20 metres (14 070 to 14 099 kHz): Modes: FT8 + RTTY. Contacts: A station may be contacted twice on each band once on RTTY, once on FT8. Exchange: RST report and your grid square (first 4 digits) e.g. KG33. (See Blue Book for more info)

ARRL Inter. DX Contest, SSB: Objectives: W/VE amateurs work as many DX stations in as many DXCC entities as possible on the 160, 80, 40, 20, 15, and 10 meter bands.  DX stations work as many W/VE stations in as many of the 48 contiguous states and provinces as possible.  Date and Contest Period:  First full weekend in March (March 3-4, 2018). Contest Period: 0000 UTC Saturday through 2359 UTC Sunday. Contest Exchange: W/VE stations send signal report and state or province. DX stations send signal report and power (number or abbreviation indicating approximate transmitter output power).

UBA Spring Contest 2018: The UBA section of DST (Diest) invites all radio amateurs to take part in the 35th edition of the UBA SPRING-CONTEST. Contest dates: HF-80m CW: 4 March 2018 (07.00 -11.00 hour UTC). Foreign stations: Only contacts with ON stations are valid.

SARL Hamnet 40 m Simulated Emergency Contest: Aim: This SSB Contest is open to all Radio Amateurs in South Africa, Namibia, Botswana, Zimbabwe, Swaziland, Mozambique, Lesotho, Marion Island and South African Antarctica. Only contacts with these areas will count. Date and Time: 12:00 to 14:00 UTC on Sunday 4 March 2018. Frequencies: It is a phone contest in the band segments 7 063 to 7 100 kHz and 7 130 to 7 200 kHz. Antennas: Antennas are limited to antennas with less than unity gain relative to a dipole. Stationary Mobile stations shall use antennas that rely solely on their vehicles for support and shall not exceed a height of 5 metres above ground. Portable station antennas may not be erected and installed before the day of the contest and no permanent manmade structure may be used to either house equipment or for antenna supports. See Blue Book for more info

RSGB Commonwealth Contest: It promotes contacts between stations in the UK&CD, Commonwealth and Mandated Territories. Objective: To achieve a good score by working as many stations and bonuses as possible. Date & Time: 10th - 11th March 2018 10:00 - 10:00 UTC. Frequencies and Power: CW only. 3.5, 7, 14, 21 and 28 MHz. On 3.5 MHz , DX contacts only may be made below 3510 kHz. On 14 MHz no operation is allowed above 14060 kHz. Only one signal may be transmitted at any one time.

SARL VHF/UHF Analogue Contest  (SSB/AM/FM/CW): Aim: The VHF/UHF contest is a test of operator ability and station design. To promote activity on the VHF/UHF and microwave bands. To encourage Amateurs to work greater distances than usual by operating portable/ field stations in favourable locations and by optimising equipment and operating techniques at both field and home stations. To provide opportunities for Amateurs to activate and work new grid squares. The Contest is open to all licensed Radio Amateurs in South Africa, Namibia (V5), Botswana (A2), Zimbabwe (Z2), Mozambique (C9), Lesotho (7P) and Swaziland (3DA). Only contacts with these states will count. The general rules covered in pages 4 – 9 of the SARL Contesting Manual (Blue Book) are to be followed. Dates and Times: 10:00 UTC Saturday 10 March to 10:00 UTC Sunday 11 March 2018. ( See Blue Book for more info)

BARTG HF RTTY CONTEST: A 48hr contest with the emphasis on accuracy. The BARTG HF RTTY contest is the longest running RTTY contest. The contest forms round two of the four contest series for the single operator championship. Period of Operation: The contest runs on the third full weekend of March from 0200z on Saturday until 0159z on the Monday. BANDS: 10m, 15m, 20m, 40m, & 80m. EXCHANGE: RST, MESSAGE NUMBER. The number must be a three or four figure number starting at 001 and incrementing by one per contact. TIME UTC. A full four figure UTC(GMT) time must be sent as part of the exchange. Example: G3XXX 599 156 1749.

CQ World-Wide WPX Contest: I. Objective: For amateurs world wide to contact as many amateurs and prefixes as possible during the contest period. SSB: March 24-25, 2018 Starts: 0000 UTC Saturday Ends: 2359 UTC Sunday Period of Operation: 48 hours. Single Operator stations may operate 36 of the 48 hours – off times must be a minimum of 60 minutes during which no QSO is logged. Multi-operator stations may operate the full 48 hours. Bands: Only the 1.8, 3.5, 7, 14, 21, and 28 MHz bands may be used. Observance of established band plans is strongly encouraged. EXCHANGE: RS(T) report plus a progressive contact serial number starting with 001 for the first contact.

Russian WW MultiMode Contest:  We invite all fans of all modes to take part in 5th RUS-WW-MM from 12.00 UTC on Saturday 31st March till 11:59 UTC on Sunday 1st April, 2018. Types of modulation: BPSK63, CW, RTTY45, SSB. The repeated contacts are permitted on different bands and different modes providing that a contact will be made not earlier than in 3 minutes. The output power should not exceed the resolved power according to the radio amateur license of the participant. The operator may change the bands no more than 10 times within calendar hour (with zero on 59-th minute of each hour). Only one transmitted signal is permitted at any time. Bands: 160 m, 80 m, 40 m, 20 m, 15 m, 10 m.


SARL Forum Active Topics
QRO Coil for a 40m Inductively-loaded Dipole  24/03/2018  21:01:05
by: ZS1ZC
Watson Multi-Ranger 9 antenna.  24/03/2018  15:21:48
by: ZS2CX
 1  2  3  4  5  6  7  8  9
24/03/2018  14:49:06
by: V51PJ
Motorised HF Mobile Antenna ZS6YI 
 1  2  3
24/03/2018  12:23:12
by: ZS6EGB
AGM Motion 9 Spending of SARL Surplus funds 
 1  2  3  4  5
24/03/2018  08:00:03
by: V51PJ
 1  2
24/03/2018  07:48:00
by: V51PJ
Licence renewals - ICASA on the ball 
 1  2
23/03/2018  16:22:49
by: ZS1PR
Import Tariff?  22/03/2018  17:07:32
by: ZS6JPS
Results of the Hamnet Simulated Emergency Contest  22/03/2018  13:48:17
by: ZS6BNE
DMR Club progess 
 1  2
21/03/2018  10:18:22
by: ZS6AF

Commercial Hamads 


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.

 Gavin Buckle, ZS6BUC


RF Design

Conical Technologies


Sam's Radio

 Click here to go to the Kevtronics web 

CDS Advert 


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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.
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lboat034a.gif (1979 bytes)SA Maritime Net

The South African Maritime Mobile Net provides weather reports and maintains contact with sailing vessels from around the coast and high seas.
The net operates 7 days a week.

There are two regular schedule times as follows:

  • 06:30 UTC and 11:30 UTC on 14 316 kHz high seas net.
  • 06:35 UTC and 11:35 UTC on 7 120 kHz coastal net - the net lasts approximately 30 minutes .


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This page last modified: 27/7/2017