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SARL Today HF Update with ZS4BS Focus on VHF/UHF/Microwave Contest News with Geoff ZS6C SARL Forum current topics Commercial Hamads


The Office at the NARC will be closed on Wednesday 20 March and on Friday 22 March 2019. 21 March is a public holiday. The office will be open on Monday 25 March.


Sunday 17March 2019

SARLNUUS met  Jan Kramer ZS6JRK luister of laai hier af

SARL NEWS with Dennis Green ZS4BS  Listen/download here

AMATEUR RADIO TODAY, a weekly actuality programme about Amateur Radio and technology hosted by  Hans van de Groenendaal ZS6AKV Download/Listen .More details about Today's programme here. Transmission times and frequency details click here.

SARL AWARDS DINNER BOOKINGS - The Awards Dinner will be held at the Devonvale Golf Estate, Bottelary Road, Stellenbosch. 79 seats have already been booked! Hurry up with your registration form.

RADIO ZS - The March 2019 Radio ZS is available for download - Click here to download your copy – it is available for everybody to read


2019 Day of the Radio Amateur AGM Booklet - download here

2019 Day of the Radio Amateur Registration Form - download here

2019 Day of the Radio Amateur Proxy Form - download here

Unlocking Amateur Radio Technology Symposium

Friday 12 April 2019 13:00 – 19:30 followed by cocktails

A workshop presented by the South African Radio League to showcase the exiting activities that Radio Amateurs can get and should get involved in to unlock the next level of activities. It is said that amateur radio is the most exciting of all technical hobbies and the SARL will show you how you can enhance your experience while still having fun yet experience the thrill of achievement.

Programme Higlights

Setting the Scene

A keynote address by Lindsey Magnus of the SKA showcasing their hi-tech

Software defined radio -Showcasing how to use a simple dongle to turn your computing device into a full blow radio with practical demonstrations for HF and VHF applications.

DXing on the world’s first Geostationary Satellite “Is’hailsat 2” and how to build a ground station that will not break the bank.

A VHF reverse beacon network to alert when VHF openings occur – A RBN provides unique opportunity for real-time propagation awareness. The system will be demonstrated. Did you know that when VHF conditions are right, long distance VHF contacts can be made with relative simple equipment?

The SARL HF noise monitoring project and how you can save the future of DXing – it will not be the lack of Sunspot that inhibits, it will be the high and increasing noise level

Western Cape to St Helena on a two-metre vertical – how did it happen? What is the Westcoast propagation phenomena, does it occur elsewhere?

Plus, quick fire presentations (10 minutes) on a number of topic of interest such as Put a multi meter to better use, logbook of the world to your DXCC, SA latest  satellite from CPUT, XinaBox plug-in module to just about build anything, and many more.

There will be display of interesting hardware, and great prize to be won for just attending.

Book early, there are only 50 seats available at R250, after that registration will cost R700



2019 RSGB Cricket World Cup Amateur Radio Marathon -The RSGB is pleased to invite all radio amateurs across the world to join us in celebrating the Cricket World Cup which is being held in England and Wales in 2019.  We are organising an International Amateur Radio Marathon for the duration of the competition. 

 2019/2020 Amateur Radio License fee increase

ICASA has informed the SARL that the licence fee will be increased by 4,7% on 1 April 2019. The new fees will be 

1 Year   -              R 148.00

2 Year   -              R 283.00

3 Year   -              R 406.00

4 Year   -              R 517.00

5 Year   -              R 617.00  

ICASA will start the invoicing process for the 2019/2020 period from 4 February 2019. 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.

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 call sign. 

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. 

LOW SUNSPOTS TRY 16O M, you cannot be without this book - ON4UN's Low Band DXing -  Dozens of new propagation maps based on DX Atlas, as well as an in-depth analysis of the influence of sunspot cycles on 160-metre ducting. A new discussion of cutting edge technology including Software Defined Radio and the revolutionary LP-500 Digital Station Monitor. Chapters include 

  • Propagation
  • DXing on the Low Bands
  • Receiving and Transmitting Equipment
  • Antenna Design Software
  • Antennas: General, Terms, Definitions
  • The Feed Line and the Antenna
  • Receiving Antennas
  • The Dipole Antenna
  • Vertical Antennas
  • Large Loop Antennas
  • Phased Arrays
  • Other Arrays
  • Yagis and Quads
  • Low Band DXing from a Small Garden
  • From Low Band DXing to Contesting

CD-ROM included! The CD-ROM includes the entire book in a fully searchable PDF format as well as ON4UN’s software (Windows XP only), antenna modeling files, photographs and more. Now R950.  Delivery via Postnet R120. Special offer  for September and October 2019 free postnet delivery

2019 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. Send your advertisement for the League website to Hans, ZS6AKV at and for Radio ZS to Dennis, ZS4BS at

Advertising Rates (effective 1 February 2019)

Display (cameo) on home page and Radio ZS Strip advertisement (10 cm by 2 columns) - R550 pm - R2 750 for 6 months - R4 750 per annum

Commercial Hamad on home page - R70 pm - R350 for 6 months - R550 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 - 16 March 2019 

Get your weekly copy of HF Happenings at 

Southern African Fauna and Flora

South African SOTA 

Contacts with stations on the African continent count towards the SARL’s All Africa Award

Senegal, 6W. Elvira, IV3FSG will be active as 6W/IV3FSG from Thies, Senegal from 17 March to 14 April. QSL via Club Log's OQRS, LoTW or via IK3GES.

Togo, 5V. Members of the EI DX Group are active as 5V7EI until 26 March. Activity is on 160 to 10 meters using CW, SSB and various digital modes with five stations active.  QSL via M0OXO.

Uganda, 5X. Members of the Italian DXpedition Team are active as 5X3C until 25 March.  Activity is on the HF bands using CW, SSB and RTTY. They are active as 5X3E using FT8.  QSL direct to I2YSB.

DXCC News.  The following operation is approved for DXCC credit:  Tristan da Cunha and Gough Island, ZD9CW, the 2018 operation.

Proportion of Modes Used on the Air. "I've been running some reports on activity uploaded in logs up to the end of December last year", Club Log's Michael Wells, G7VJR posted to his blog on 10 March. "The total number of QSOs uploaded was quite high - more than any previous year - at 41,3 million QSOs. That's 12% higher than 2017 or 2016 (which were nearly identical at 36,8 million QSO each - and 2015 was 39,8 million). I think that fact is more significant given the ongoing decline of this particular solar cycle and it is possible evidence of extra activity from FT8 and newly-active amateurs who'd run out of steam on CW and SSB but are back to try digital modes". As for the operating habits, "in 2017, 8 000 Club Log users had uploaded at least one QSO with FT8. However, in 2018, that number has risen to 14 200. For comparison, 13 900 users uploaded at least one CW contact and 18 000 at least one phone (mainly SSB) contact. The total number of active users was just under 22 000 across all modes in 2018". Read the full report (quite interesting) on

Spain, EA.  Special event station EE100V is active during the month of March to celebrate the centennial anniversary of the Valencia Football Club.  QSL direct to EA5YJ.

India, VU. AU60BARC is the special callsign for the Bangalore Amateur Radio Club (VU2ARC) to celebrate its Diamond Jubilee. It is being used by several BARC members until 13 May. The logs will be uploaded to and Club Log.

Mexico, XE. Celebrating the spring equinox, which was important in Mayan culture, special event stations 4A3MAYA, 4B3MAYA, 4C3MAYA, 6E3MAYA and 6F3MAYA will be active between 21 and 24 March from various archaeological sites in the Mexican states of Tabasco, Yucatan, Campeche, Quintana Roo and Chiapas. QSLs via the bureau.

Myanmar, XZ. Yuki, JH1NBN will be active as XZ2C from 20 to 28 March. Activity will be on 15, 12, 10 and 6 meters using all modes and QRP power.  QSL to home call.

Russia, UA9. Special callsigns R100WA, R100WB, R100WD, R100WE, R100WEI, R100WG, R100WGK, R100WJV, R100WK, R100WMG, R100WN, R100WO, R100WT, R100WU, R100WW, R100WXK and R100WYY are active between 10 and 23 March to commemorate the 100th anniversary of the Republic of Bashkortostan (Bashkiria). A number of certificates are available for download at


VHF, UHF and Microwave Record Table the latest table of records is available from the VHF SA Record page. Click here to get a copy. Compiled and updated by Paul, ZS6NK - latest version 8 March 2019. Updates to  

Focus on VHF and Above 17 March 2019

 Audio version

I received a question during the week regarding antenna gain versus feedline losses so I decided to share the answer with you as well. 

This is one of those questions that has the typical answer “that depends on...” 

There are definite advantages to raising the antenna height as high as possible. The general rule is the higher the antenna the better the performance. Aspects of this includes feed impedance, radiation diagram, radiation losses, distance from interference, reduction in possibility of exposure to RF radiation and the list goes on. A lot of these are HF related, but we are going to keep the answer to the VHF and above bands. 

How high do you go and what gains can you achieve versus what it costs to increase the height. 

With VHF and above, radio propagation tends to be more line of sight. 

The wavelength of the VHF and above frequencies are very short, and so the antenna does not need to be raised very high to minimise the ground effects so this is usually not a primary reason to increase the height of an antenna. 

You may want to increase the height of your antenna in order to clear some or other obstruction. Large trees and other structures will definitely absorb some of the signals at VHF and above frequencies. 

As a result of refraction, the radio horizon is in the region of 4/3 times the distance of the visible horizon. Raising the antenna will also increase your radio horizon and increase the range of your signal. 

The higher the antenna also means that the antenna is further away from sources of interference. This has advantages on receive as well as the transmit side where the transmitted signal may be a source of interference. 

The other advantage of height of an antenna could be the exposure to RF and the associated health risks with it. 

Now for some disadvantages. The higher the structure is that the antenna is mounted on, the more it costs to erect the structure. The steel required for the structure, the volume of cement required for the base that anchors the mast, the guy ropes required to stabilise the mast or tower and so forth. 

The higher the antenna is, the longer the feedline needs to be as well. 

Let’s talk numbers. Doing a simple line of sight calculation we will see that an antenna 10m high will give us a radio horizon of approximately 13 km. If we double the height, then we get a radio horizon of approx 18 km. We are only gaining a distance factor of 1.38 while we are increasing our height by a factor of 2. Increasing the height to 30m gives us a radio horizon of 22 km. We now have a distance factor of 1.7 versus a height factor of 3. Increasing the height to 40m we get a radio horizon of 26 km. A distance factor of 2 versus a height factor of 4. 

Put differently, in order to achieve a 2 times gain we need to increase our antenna height by at least 4 times. 

Now let us look at the losses of a typical coaxial cable. 

RG213 at a frequency of 145 MHz has a loss at 10m of 0.8 dB and at 40m a loss of 3.1 dB. We have just negated the gains we made by increasing the antenna height.

At a frequency of 435 MHz the loss at 10m is 1.4 dB and at 40m 5.7 dB. We are now going backwards. 

LMR400 at a frequency of 145 MHz has a loss at 10m of 0.6 dB and at 40m  2.4 dB. The antenna height has only just given us a slight advantage.

At a frequency of 435 MHz 10m gives a loss of 1.1 dB and 40m a loss of 4.2 dB. 

Sure we can minimise our losses using better coaxial cable, but we are paying more for the better coaxial cables. Add to this the additional costs to increase the height of the structure by a factor of four. We are not gaining much for a considerable increase in costs. 

It will cost less to rather use a Yagi antenna at 10m which will give you at least a 3 dB gain for a lot less costs. Now if you already have that 8 element Yagi giving you 11 dB gain, there is not much more that you can squeeze out of your setup. 

Well, that depends on how much money you have to spend on achieving a marginal increase in gain. The cost per dB gain now becomes very high.

At the last VHF/UHF workshop Dick ZS6BUN gave an excellent presentation on the Cost per dB where he looked at everything from the radios to amplifiers, the feedlines and the antennas. This is why these workshops should not be missed. 

The next VHF/UHF workshop is being planned for 25 May 2019 at the National Amateur Radio Centre. Put this date in your diaries and plan to be there. There is already one very interesting and controversial topic that is planned to be discussed. More about this later. 

Now for some VHF and above news. 

John ZS6JON sent me some pictures and a video clip of a contact he made on the QO-100 satellite from his garden. 

ZS6JON Garden Mobile Setup


John told me that he needed to go QRT as the heat of the sun was causing the crystal in his local oscillator to drift. 

John also sent me some photos of the other antennas in his garden 

ZS6JON 70cm 4.5m EME Dish


ZS6JON 23cm EME Dish


ZS6JON 2m EME Array


John also told me that he and Louisa ZS6LU will be in Gaborone over the long weekend of 21 March to prepare the logistics for the big 8 Band EME Expedition in October. They are taking 2m and 70cm equipment with them and hope to make some ZS contacts while they are there. So all the long distance VHF/UHF guys need to point your antennas to Gaborone and see if you can make contact with John and Louisa.


The 46 Group had some good comms this week especially on Friday morning.


All those that did not attend the AMSAT SA Symposium yesterday missed out on another great and informative day of learning. I came away with many notes of things to follow up on and look forward to the next one.


The next meeting of the VHF Work Group will be via Skype on 28 March 2019. If you want to join the VHF Work Group, send us your Skype name to and we will add you to the call.


Please send your news snippets and information about activities on VHF and Above to 


Focus on VHF and Above 10 March 2019 

Audio version here 

The most creative of amateurs must surely be those who homebrew and build things for themselves. 

They have that ability to look at something and see a use for it in a completely different application for what the manufacturer originally intended it for. 

For example, you go to the local plumbing supplier ask them for various plastic and copper fittings. You have in your mind a new antenna with the plastic fittings acting as insulators and the copper fittings are there to attach the 15mm copper pipes for the antenna elements. They have in their minds a water pipe and cannot understand why you need specific fittings. 

I have also come across numerous amateurs who do not want to try and build something for themselves. They are always asking someone else to do something for them. They will for example not want to solder because they say they cannot solder, but they do not try either. The more you practice the easier it will become. 

Listen to Onno VK6FLAB’s podcast “Creativity comes with practice” 

As Onno says this comes with practice and don't be afraid of failing, the more you fail, the better you learn. 

Here is some news about the VHF and Above bands. 

As we broadcast this program, the SARL VHF/UHF Analogue competition is drawing to a close. This whole week the guys of the 46 Long Distance Group have been preparing for the competition and on Saturday morning they were testing their stations and making sure that they are getting out from the various sites that they had selected. Here is an audio clip recorded by Carl ZS6CBQ of Willem ZS6WAB testing from the Soutpansberg Club competition station ZS6SPB on Ysterberg in Limpopo Province. 

Audio Clip ZS6SPB Test on 70cm 

During the past week the Hepburn charts predicted that Wednesday there would be marginal Tropoducting stretching into the interior of the country and from the reports on WhatsApp, the 46 Long Distance group also experienced good conditions. 



Picture of Hepburn Chart for Wed 6 March 2019 

Carl ZS6CBQ reported hearing the Bloemfontein beacon S7 and Koos  ZS6KSG also recorded hearing Rickus ZS4A at a S8. So keep your eyes on the charts and remember to record the weather data as well. 

Peter ZS2ABF reports from East London “Hi all,as usual Dave ZS5DJ and myself came on frequency last Monday evening. Conditions were poor along the South East Coast, but we had a QSO and chatted away. No breakers were heard.

Last night Wednesday 6th, the predicted conditions looked excellent for our coastal area. I informed Dave to come up via Email and awaited our allotted hour. It was just my luck that at about 16:30 hrs the sky darkened,and it started to rumble. By the time 20:00 came we were in the middle of a violent thunder and lightening storm. I took a chance and called Dave. He came straight back and said I was 5:5 to him.Unfortunately the storm crashes and bangs were load and dangerous. We said hello, and I had to pull the plug to stay alive. What a pity as the conditions were so good.” 

We last reported that Raoul ZS1C used Leon Korki ZS1MM’s station to make some CW contacts over the Es’hail2 satellite. Well, RaouI has now set up his own homebrew station and worked the satellite with only 125mW, Raoul writes on the SARL Forum, “I got into the satellite last night with 125mW, today added another stage,and now have 28dBm (630 mW) output on 2.4 GHz. I worked some ssb for the first time as well.” 

Raoul’s configuration is an ADF4351 Synthesiser followed by two RF3374 amplifier stages, then a level 13 mixer stage using an ADE-25MH device. After the mixer is a cavity bandpass filter, another RF3374 amplifier and another cavity filter. Raoul says that this configuration provides a clean signal on the output. The output is then fed into two RF2126 amplifiers in series. The modulation signal is provided by a FT817 set to minimum power of 230 mW on 70cm and further attenuated to 13dBm by a 50 Ohm Pi attenuator. The signal is then fed into the mixer. The ADF4351 Synthesiser is programmed by an Arduino Uno. 

Well done Raoul. This is what makes amateur radio a super exciting and rewarding hobby. There is no greater satisfaction than building something yourself and being able to complete a QSO with your masterpiece.

You do not need to have a large signal to work the Es’hail satellite. On Southgate ARC news I found this report of a 2.5 milliwatt OPERA signal via Es'hail-2. 

Markus Vester DF6NM successfully used the digital mode OPERA to send a 2.5 milliwatt signal through the 2.4 to 10 GHz amateur radio transponder on the Es'hail-2 / QO-100 geostationary satellite. Graham G0NBD writes about the contact on Digital Radio Groupsio.

On March 3, 2019, Markus started using 250 milliwatts of OPERA on 2.4 GHz into a 60 cm dish pointing at Es'hail-2. The downlink signal was received via the AMSAT-UK and BATC 10 GHz WebSDR at Goonhilly in Cornwall by Peter Knol PA1SDB.

Markus then reduced power to just 2.5 milliwatts and the signal was still receiveable. See Digital Radio Groupsio post at

OPERA was developed by Jose EA5HVK and can be downloaded from

Why not go over to the Qatar OSCAR-100 web receiver at

and listen to some of the QSOs taking place. 

For those guys that love playing with their Raspberry Pi devices be sure to download the next issue of the MagPi magazine. 

RaspberryPi magazine MagPi will feature articles on Amateur Radio Projects in issue 80, available for free download from March 28 from  

Well that is all the VHF and Above news for this week.  

The next workshop that will be held is the AMSAT SA Space Symposium on 16 March. Make sure that you do not miss out on all the interesting projects and presentations that will be shared with us.  

The next meeting of the VHF Work Group will be via Skype on 28 March 2019. If you want to join the VHF Work Group, send us your Skype name to and we will add you to the call.  


Please send your news snippets and information about activities on VHF and Above to

CONTEST NEWS WITH ZS6C 29 January 2019 

CQ World-Wide WPX RTTY Contest: February 9-10, 2019, Starts: 0000 UTC Saturday    Ends: 2359 UTC Sunday.  OBJECTIVE: For amateurs world wide to contact as many amateurs and prefixes as possible during the period of operation. PERIOD OF OPERATION: 48 hours. Single Operator stations may operate 30 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 3.5, 7, 14, 21, and 28 MHz bands may be used. CONTEST EXCHANGE: RST report plus a progressive contact serial number starting with 001 for the first contact. Note: Multi-Two and Multi-Unlimited entrants use separate serial number sequences on each band.

South African Radio League National Field Day: Aim: To work as many stations as possible on all the HF amateur bands (excluding the 60, 30, 17 and 12 m bands). In doing so, to learn to operate in abnormal situations in less than optimal conditions. Date and Times:  10:00 UTC on Saturday 9 February to 10:00 UTC on Sunday 10 February 2019. Frequencies and Modes: HF amateur bands, excluding the 2 200, 630, 30, 17 and 12 metre bands. Phone, CW and Digital (PSK, FT8 and RTTY). Phone, CW and Digital modes on a band are considered as separate bands. A station may be worked only once per band under this rule. (See Blue Book for more details)

PACC CONTEST: STARTS: FEBRUARY 9TH AT 12:00 UTC ENDS FEBRUARY 10TH AT 11:59 UTC. Aim: Work as many Dutch stations as possible per band. Bands: 160m-10m SSB/CW, except WARC, IARU bandplan. Exchange:  RST+serial number starting with 001. Dutch stations give RST+Province abbreviation: GR, FR, DR, OV, GD, UT, NH, ZH, NB, LB, ZL, FL.

ARRL Inter. DX Contest, CW: Aim: 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:  Third full weekend in February (February 16-17, 2019). 0000 UTC Saturday through 2359 UTC Sunday.

French HF Championship: Aim: Foreign amateurs work as many F stations in as many of the 97 metropolitans departments (including F6REF HQ) and overseas French territories (DOM/TOM) as possible. Contest period: SSB: Starts 0600 UTC Saturday; ends 1800 UTC Sunday. Bands: 80, 40, 20, 15, 10 m, according to IARU band plan for each country. Exchange: Non-F stations send RST + serial number (beginning with 001)

South African Radio League RTTY Contest: Aim. To establish as many contacts as possible between radio amateurs in Southern Africa using the RTTY mode. The contest is open to all radio amateurs in Southern Africa. Date and Time: 14:00 UTC to 17:00 UTC on Sunday 24 February 2019. Bands: 80M (3 580 to 3 600 kHz), 40M (7 040 to 7 060 kHz), 20M (14 070 to 14 099 kHz). RTTY is preferred at the upper end of the specified frequencies. Contacts: A station may be contacted once on each band. Exchange: RST report and your grid square (first 4 digits) e.g. KG33. (See Blue Book for more details)

SARL Forum Active Topics
Cyclone Idai  19/03/2019  12:53:26
by: ZR3RC
Electric fence RF properties  19/03/2019  07:01:01
by: ZS6BV
DMR Club progess 
 1  2  3
18/03/2019  17:56:00
by: ZS6RVC
3Y0I  18/03/2019  12:44:19
by: ZS1AN
144.300 SSB Sked 
 1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20
   21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43
18/03/2019  11:12:53
by: ZS2ABF
Flex 3000 - Virtual Audio  18/03/2019  08:40:46
by: ZS6SKY
Localy manufactured handheld satelite antenna  17/03/2019  22:54:02
by: ZS6PCW
We are still in "Dark Africa"  16/03/2019  17:48:28
by: ZS5LO
Lisensie Hernuwing 
 1  2  3
16/03/2019  13:19:44
by: ZS6HKR
Thoughts Qatar-OSCAR 100 Equipment  15/03/2019  17:02:49
by: PA0P

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.

 William van Coller, ZS4L

 Click here to go to the Kevtronics web 

Conical Technologies

CDS Advert 


 Click here to visit website 


Sam's Radio

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 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: 25/11/2018