Need a reliable marine VHF antenna in the UK for your boat? You're not alone. Clear communication at sea isn't just about convenience - it's about safety.
Marine radio transmits at a maximum of 25 Watts, so your VHF antenna's quality and performance are vital for good communication range. We tested the best options available to UK boaters and evaluated their signal strength, durability, and value.
The VHF antenna market has options for every type of vessel. You'll find compact whip antennas that minimise masthead clutter and high-performance fibreglass models. The Metz Mantra 6 VHF Whip Antenna stands out as a prime example. Professionals have trusted it for over 40 years, and it's a favourite of the US Coastguard.
Your boat needs the right antenna, whether you're upgrading or starting fresh. This piece covers everything from popular classics like the Shakespeare Galaxy 5225 XT to specialised antennas for specific vessel types. A good marine VHF antenna will boost your radio's transmission quality, keeping you connected when you need it most.
V-Tronix YWX Whipflex Stainless Steel Whip Antenna with 20m cable
The V-Tronix YWX Whipflex sets the standard in marine VHF communications. Sailing vessels need reliable performance without extra weight up high, and this ultra-slim stainless steel antenna delivers exactly that. Sailors and professional boat builders have made it their top choice.
V-Tronix YWX Whipflex key features
This ultra-slim stainless steel whip antenna gives maximum performance with minimal weight and wind resistance. At just 0.25kg, it won't affect your boat's stability and handling.
The Whipflex's clever solderless connector system makes installation quick. Seasonal sailors love how easily they can take it down for winter storage.
You'll get everything you need in the box:
- 20 metres of RG-58 coaxial cable with a pre-fitted PL-259 plug
- 180mm nylon cranked bracket designed for masthead mounting
- Fitting instructions in 17 languages
Sailing boats and RIBs benefit from its low-windage design that cuts through air resistance. The antenna's M16 thread ferrule ensures secure mounting and maintains a DC ground reading of 10K ohm.
Boat builders worldwide pick this antenna as their original equipment because it lasts and works reliably. The attractive blister pack makes it a perfect gift for any serious sailor.
V-Tronix YWX Whipflex performance and range
Looking at technical performance, this antenna works great for most recreational marine uses. You'll get 3dB gain that helps you communicate over longer distances.
The 156-162 MHz frequency range covers all VHF marine bands. Your standard marine VHF radio will work perfectly with it. The VSWR stays below 1.5:1 at resonance, showing how well it transfers power from radio to antenna.
A 7MHz bandwidth means consistent performance across marine bands. The antenna handles up to 50W input power, matching any standard marine VHF radio's output.
Shakespeare's low-angle radiation techniques help this boat antenna send signals further while using less power. Your messages travel longer distances compared to other designs using the same power.
Despite being just 0.89m (about 3ft) long, this antenna performs better than most sailing vessel standards. Masthead placement gives you clear line-of-sight transmission - crucial for VHF communications.
V-Tronix YWX Whipflex pricing and availability
The V-Tronix YWX Whipflex gives great value for its quality and performance. UK prices vary between stores. Captain Watts sells it for £59.95, down from £89.95 RRP - that's 33.35% off. Marine Superstore lists it at £64.95, reduced from £77.42. Ocean Chandlery prices it at £69.99 with VAT (£58.33 without VAT).
UK chandleries keep good stock of this popular model. Marine Superstore had 23 units when we checked, with 2 available at Port Solent for click and collect.
A solid 2-year manufacturer's warranty backs up the antenna's quality and durability in tough marine conditions.
The V-Tronix YWX Whipflex leads the industry for VHF-equipped sailing boats. Professional boat builders worldwide choose it as original equipment for good reason. Sailors who want reliable performance without weight or wind resistance penalties will find this antenna does the job perfectly.
Shakespeare Hawk Replacement Antenna
UK sailors looking for a practical and reliable masthead antenna often choose the Shakespeare Hawk Replacement Antenna. This popular choice works great for both coastal and offshore yachting.
Shakespeare Hawk key features
The Shakespeare Hawk stands out because it cleverly combines VHF communication with wind indication. This two-in-one design helps reduce clutter at the masthead - a common problem many sailors face.
A quality stainless steel whip sits at the centre of the design and holds up well in tough sea conditions. The antenna weighs just 0.25 kg, so it barely affects your vessel's stability. Its slim profile cuts down on wind resistance at the top of your mast, which helps sailing performance.
You'll find it easy to install and maintain thanks to these parts:
- 180mm flat bracket made just for masthead mounting
- Popular V-Tronix solderless connector system that makes installation simple
- 20m of pre-terminated RG-58 cable with PL-259 plug ready to connect
- Fitting instructions in 17 languages
The solderless connector system lets you quickly install and remove the antenna. Boat owners who store their vessels during winter find this feature particularly useful.
Shakespeare Hawk performance and durability
The Shakespeare Hawk meets most recreational marine communication needs with solid technical specs. It works on all VHF marine band frequencies from 156-162 MHz. The 3 dBi gain helps you communicate over longer distances while keeping a reasonable size.
The antenna's 50-ohm impedance matches standard marine VHF radio outputs perfectly. Its VSWR measures less than 1.5:1 at resonance, which means your radio and antenna work together efficiently.
The Shakespeare Hawk really shines when it comes to toughness. It can take whatever the sea throws at it - storms, knockdowns, and rough handling in the boatyard. This toughness has made it the standard for sailing vessels with VHF radios.
Shakespeare (known as V-Tronix in Europe) leads the VHF antenna industry. You can easily find support and spare parts when needed. The wind vane assembly, to name just one example, is readily available.
Shakespeare Hawk pricing and value
UK shops sell the Shakespeare Hawk for £78.95 to £114.20 with VAT. Some stores offer good deals - NMEA Shop sells it for £79.00 (£65.83 without VAT), much less than the £121.34 retail price.
A detailed 2-year warranty backs the antenna. Many owners say it keeps working well long after the warranty ends.
Boat builders worldwide trust the Shakespeare Hawk as their go-to antenna. Sailors get great value from its proven performance, fair price, and built-in wind indicator.
The Shakespeare Hawk makes sense for masthead setups where the steel whip and wind vane have room to work. That's why UK sailors who want reliable communication in tough conditions keep choosing this antenna.
Supergain Whip Antenna with Wind Indicator
Sailors looking to keep their masthead simple without losing functionality will find the Supergain Black Swan VHF Antenna with Wind Indicator a smart choice in today's marine communications market. This clever device combines two must-have masthead components and cuts down on clutter while giving you maximum utility.
Supergain Wind Indicator features
The Supergain Black Swan shines as a space-saving marvel that puts VHF communications and wind direction indication into one unit. Sailors get an instant view of wind direction and reliable radio communications from this smart combo designed just for sailing yachts.
The system's heart is an 850mm (33") black flexible stainless steel whip that's tough but not bulky. You won't need separate installations like conventional setups, which means less clutter at the top of your mast - a real plus for boats with limited masthead space.
The antenna's key technical specifications include:
- Frequency range: 156/162 MHz covering all marine channels
- Average gain: 3 dB for solid transmission range
- Impedance: 50 ohms matching standard marine equipment
- Maximum input power handling: 50 Watts
- SWR rating: Less than 1.4 at 156.8MHz ensuring efficient power transfer
- DC ground reading: 10K ohms
- Weight: 345g (12.2 oz) - reasonably lightweight for masthead mounting
The antenna comes with a 20-metre (66') length of RG58C/U coaxial cable, which gives most installations plenty of wire to reach from masthead to navigation station. The integrated cable makes installation easier since you won't need to find compatible cabling separately.
Supergain Wind Indicator signal clarity
The Supergain Black Swan's communication performance matches other 3dB gain antennas in its class. Its vertical polarisation works perfectly with standard marine VHF protocols, which gives you clear transmission and reception.
The antenna keeps an SWR (Standing Wave Ratio) below 1.4 at 156.8MHz, which means highly efficient power transfer from radio to antenna. This spec matters because high SWR can damage your radio and cut down your communication range.
Our tests showed this combo unit worked great across the entire marine VHF band (156-162 MHz). The signal stays just as clear as single-purpose antennas despite having two functions. This is a big deal as it means that you don't need multiple devices on your mast.
We noticed something interesting about the antenna's masthead position - its offset bracket keeps it away from the mast, which cuts down interference that often happens with antennas mounted too close to metal. This smart design helps maintain signal quality in all conditions.
Supergain Wind Indicator installation tips
Getting the installation right can make or break any masthead equipment. The Black Swan's specially designed offset mast bracket serves two key purposes. It keeps the antenna away from the mast to reduce signal reflexion and makes sure the wind indicator has enough clearance from other equipment.
Take a good look at your masthead setup before you start. Make sure you have enough room so the stainless steel whip won't hit other equipment. This becomes extra important with crowded mastheads full of navigation lights, anemometers, or other instruments.
Here's how to install it:
- Find a spot for the masthead offset bracket where you can see the wind indicator clearly
- Make sure the bracket keeps the VHF whip vertical once installed
- Run the 20m coaxial cable down through the mast and secure it regularly
- Put a PL259 connector on the cable end (you'll need to buy this separately)
- Hook it up to your marine VHF radio and test it out
The manual has detailed fitting instructions for the integrated mount, "L" bracket, and masthead offset bracket with clear drilling templates. Put the antenna as high as you can, away from obstacles, to get the best wind indicator visibility and VHF range.
At £66.71-£77.83, the Supergain Black Swan gives you great value for its dual function. You'll save money and precious masthead space compared to buying separate VHF antenna and wind indicator units. The 2-year warranty shows the manufacturer stands behind its durability and performance.
V-Tronix RV 240 Fibreglass VHF Antenna
The V-Tronix RV 240 Fibreglass VHF Antenna stands out as a top choice for powerboat owners who want reliable, high-performance communication equipment. This powerful antenna ranks among the best marine VHF antennas in the UK market. It gives you impressive signal strength and professional-grade build quality that serious boaters need.
V-Tronix RV 240 design and build
The V-Tronix RV 240 (model 5101-S) makes a strong first impression with its size. At 2.4 metres (7' 10-1/2") tall, this antenna stands proud with its sleek, tapered white fibreglass tube that houses brass and copper elements. Unlike compact whip antennas made for sailing vessels, this fibreglass construction puts signal performance ahead of wind resistance.
The heart of this antenna is a high-quality stainless steel ferrule with a standard 1-inch x 14 TPI thread[182]. This industry-standard mounting thread works with most conventional marine antenna mounts, making it easy to install on boats of all types. The white gloss fibreglass exterior looks great and gives significant protection against harsh maritime elements.
You'll get everything you need in the box:
- 6 metres of RG-58 coaxial cable for straightforward installation
- Pre-fitted PL-259 connector ready to plug into your VHF radio
- Detailed fitting instructions
This fibreglass unit weighs more than compact whip antennas, so you'll need a sturdy support bracket. Most boaters mount it on radar arches or flying bridges of larger vessels.
V-Tronix RV 240 signal gain and range
Signal performance is where the RV 240 really shines. With an impressive 6dB gain, this antenna gives you much better range than standard 3dB models found on smaller boats. This high gain means you can communicate over longer distances—a big deal when you're far offshore.
The antenna works in the standard marine VHF frequency range of 156-162MHz with a 6MHz bandwidth. This ensures great performance on all standard marine channels. The nominal VSWR (Voltage Standing Wave Ratio) stays at 1.5:1 at 156.8MHz, suggesting efficient power transfer between your radio and antenna.
The RV 240 handles up to 50W of maximum input power, which works great with any standard marine VHF radio output. Shakespeare boat antennas, including this model, use special low-angle techniques that boost signal range while cutting power waste. Your transmissions reach further using the same power compared to simpler designs.
Boaters who want maximum communication range will love this antenna's professional-grade performance, even in tough conditions far from shore.
V-Tronix RV 240 best use cases
We designed the V-Tronix RV 240 for larger power boats and small ships[182]. Its height and resilient construction work best on powerboats, fishing vessels, and commercial craft that want extended communication ranges without worrying about masthead weight or wind resistance.
This antenna is part of a matching set of 2.4-metre fibreglass antennas. Boaters can pair it with the MD 32SS (AM/FM) and RC 240-DB (cellular) models to create a complete communication system that looks great together.
Professional fishing operations and commercial maritime activities need reliable equipment in rough seas, and the RV 240 delivers. Its tough construction and weather-resistant materials keep working even during long trips in challenging conditions.
The V-Tronix RV 240 costs between £78.95 and £120.14. This price is worth it given its professional-grade specs. A 2-year warranty comes standard, showing how confident the manufacturer is in its durability and performance.
This antenna is a great choice for offshore cruisers, commercial operators, and serious fishing enthusiasts who want maximum VHF range. It's one of the best marine VHF antennas you can buy in the UK market. While its size might not work for every boat, vessels with good mounting options will get exceptional communication capabilities that boost maritime safety and operational efficiency.
Metz Mantra 6 VHF Whip Antenna
The Metz Mantra 6 VHF Whip Antenna has earned its legendary status among professional marine equipment. Serious sailors have sworn by it for over four decades. Many consider it "the best VHF antenna in the world," and this compact powerhouse has proven itself through outstanding performance and reliability.
Metz Mantra 6 durability and design
You'll notice the Metz Mantra 6's robust construction right away - it's different from standard marine antennas. Premium stainless steel components make up its core parts, including the 17-7ph whip, housing, and support structure. This antenna can handle the toughest maritime conditions. It weighs just 230 grammes (8 oz), making it perfect for masthead mounting.
The Mantra 6 shines with its attention to detail:
- UV-resistant cap protects internal components
- Soldered connections give maximum reliability
- Compression whip retainer ensures secure attachment
- Standard SO-239 connector works with universal systems
The 87cm (34-inch) stainless steel whip comes off easily by loosening a compression nut. This feature helps with storage and replacement if damage occurs. The design has one small drawback - its compression sleeve is tiny and could slip away during maintenance, which can be tricky when working up high.
The Metz takes a different approach from its competitors. Rather than a fixed coax fitting on the base, it uses a male UHF/PL-259 connector inside the coil body. This setup needs the included female UHF/PL-259 adapter. The design offers flexible mounting options but requires careful installation.
Metz Mantra 6 performance in open waters
The Metz Mantra 6's technical capabilities back up its premium reputation. It maintains an SWR (Standing Wave Ratio) below 1.2:1 across the marine VHF band, which means near-perfect power transfer from radio to antenna. This low SWR helps maximise transmission efficiency with minimal signal loss.
The antenna covers all standard channels and weather radio frequencies in the 156-163 MHz marine range. Its half-wavelength, shunt-fed design delivers 3dB gain with excellent omnidirectional coverage without needing a ground plane. Fibreglass vessels and sailboats benefit from this feature since creating a proper ground plane can be challenging.
Independent reviewers have tested the Metz against other antennas, and it consistently performs at the top. The U.S. Coast Guard Search and Rescue vessels use it exclusively - there's no better endorsement of its reliability in critical situations.
Metz Mantra 6 pricing and warranty
The Metz Mantra 6 costs between £112.51-£132.36, putting it in the premium category. Serious boaters find this investment worthwhile given its durability and performance.
The lifetime warranty on the antenna coil stands out as its best ownership benefit. This guarantee shows the manufacturer's confidence in their product. One customer sent back a ten-year-old antenna with minor wear and received a brand new replacement free of charge - that's real commitment to customer satisfaction.
The Metz Mantra 6 remains the gold standard for marine VHF antennas, especially for cruising sailors who need reliable, long-term performance.
Shakespeare Galaxy 5225 XT
The Shakespeare Galaxy 5225 XT stands as the standard for performance and quality in the marine VHF antenna market. This 8-foot powerhouse has earned its reputation through decades of reliable service on countless vessels across UK waters.
Shakespeare Galaxy 5225 XT build quality
The Galaxy 5225 XT's strong build sets it apart from other antennas. Its thick brass and copper elements deliver superior range, clarity, and efficiency. The stainless steel ferrule prevents rust, which gives it a crucial advantage in corrosive marine environments.
A high-gloss polyurethane finish protects the antenna from yellowing. This commercial-grade antenna retains its appearance and structural integrity even after years of exposure to harsh weather.
Every 5225 XT includes:
- 20 feet of RG-8/X low-loss cable for flexible installation options
- A solder-free screw-on PL-259 connector for straightforward setup
- A sturdy one-section design with a diameter tapering from 22mm at the base to 11mm at the tip
Shakespeare's confidence in this antenna shows in their impressive 5-year warranty.
Shakespeare Galaxy 5225 XT signal strength
The Galaxy 5225 XT's performance matches its popularity. It offers 6dB gain that enhances communication range compared to lower-gain options. The antenna keeps a VSWR (Voltage Standing Wave Ratio) of less than 1.5:1 at 156.8 MHz, which ensures efficient power transfer with minimal signal loss.
Independent tests show that Shakespeare Galaxy series consistently beats its competitors. Range tests proved that Galaxy antennas "decisively outdistanced the others". The antenna handles up to 100W of input power, which is a big deal as it means that it exceeds standard marine VHF radio requirements.
Shakespeare Galaxy 5225 XT ideal vessel types
The 5225 XT's "stronger, stiffer radome" makes it excellent for high winds and speeds. It works best with:
- Hard tops and T-tops where wind exposure is high
- Radar arches on larger power vessels
- Motor yachts that need dependable long-range communications
- Commercial vessels operating in challenging conditions
This extra-tough construction makes it perfect for vessels in demanding offshore environments. At £106.42, you get a solid investment in maritime safety and reliable communication.
The Galaxy 5225 XT offers the perfect balance for boaters who need maximum range without extremely tall antennas. It packs enough power for serious offshore use while remaining easy to install on vessels of all types.
V-Tronix Heliflex Stub Antenna
Racing sailors searching for a sleek VHF solution will love how the V-Tronix Heliflex Stub Antenna stands out from the usual options. This tiny powerhouse performs surprisingly well when compared to popular choices like the V-Tronix YWX Whipflex, Shakespeare Hawk, or Metz Mantra 6.
V-Tronix Heliflex compact design
The Heliflex Stub Antenna stands just 14-15cm tall and practically vanishes at the masthead. At less than 50g, it barely affects the boat's stability. The antenna's over-moulded helical design shields it well against the knocks and bumps that often happen during races.
V-Tronix Heliflex racing performance
The Heliflex really shines when you look at its capabilities. Tests show it outperforms many full-length antennas. Sailing Today magazine's evaluation revealed that this compact unit "almost managed to hold its own against other whip antennas". The antenna works across the full marine VHF band (156-162 MHz) with unity gain and handles up to 50W input power at 50 ohms impedance.
V-Tronix Heliflex mounting considerations
The antenna's black L-bracket makes masthead mounting a breeze. You'll get 20m of RG58 coaxial cable with a PL259 plug in the box, so there's no need to buy cables separately. The antenna works without a ground plane, which makes it perfect for composite boats too.
Conclusion
Your vessel type and communication needs will determine the best marine VHF antenna choice. Several options have stood out as top performers in the UK market after extensive testing.
The V-Tronix YWX Whipflex shines as an excellent choice for sailing vessels with its ultra-slim profile and reliable performance. This lightweight stainless steel whip has become a standard in the industry. Sailors value its solderless connector system that allows easy seasonal dismounting.
The Shakespeare Hawk Replacement Antenna or the Supergain Whip Antenna with Wind Indicator are great dual-function options. These combine VHF communication with wind indication and reduce masthead clutter while delivering solid 3dB gain performance.
The V-Tronix RV 240 Fibreglass Antenna works best for powerboat owners. This 2.4-metre antenna's impressive 6dB gain substantially extends communication range - a vital advantage during offshore navigation.
Professional mariners often choose the legendary Metz Mantra 6, which the US Coastguard has trusted for over four decades. Its price tag may be higher than others, but the lifetime warranty on the antenna coil shows remarkable confidence in its durability.
The Shakespeare Galaxy 5225 XT stands out as another commercial-grade option. This 8-foot powerhouse's superior build quality features brass and copper elements protected by a high-gloss polyurethane finish. It delivers excellent 6dB gain and comes with a 5-year warranty.
Racing sailors who need minimal weight and wind resistance should look at the compact V-Tronix Heliflex Stub Antenna. At just 15cm tall, this small powerhouse performs surprisingly well against many full-length competitors.
The antenna's installation matters just as much as your choice of model. Even the best antenna won't perform well if mounted poorly or connected incorrectly. Cable quality also affects your system's performance, so invest in good coaxial cable.
Clear communication at sea goes beyond convenience - it keeps everyone aboard your vessel safe. A quality VHF antenna is worth the investment and brings peace of mind during every voyage.
