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The Füllgraf Stainless Steel Telescopic Whip is a heavy-duty telescopic antenna element for portable, temporary, and custom HF antenna systems.
Manufactured from stainless steel and fitted with a standard 3/8"-24 mounting thread, the whip is compatible with a wide range of amateur radio antenna bases, loading coils, tripods, ground spikes, and portable mounting systems.
Two versions are available: 25ft and 34ft. Despite their considerable extended length, both collapse down to a compact size for transport and storage, making them particularly useful for portable and field operation.
The adjustable telescopic construction allows the radiator length to be altered to suit the required antenna configuration. Depending on the operating frequency, the whip can be used as part of a quarter-wave vertical, loaded vertical, matched portable antenna, or experimental antenna system.
Available Versions
| Version | Extended Length | Collapsed Length |
|---|---|---|
| 25ft Telescopic Whip | 25ft | Approx. 26in |
| 34ft Telescopic Whip | 34ft | Approx. 30in |
Key Features
- Heavy-duty stainless steel telescopic antenna element
- Available in 25ft and 34ft versions
- Standard 3/8"-24 mounting thread
- Compatible with a wide range of portable antenna mounts and accessories
- 25ft version collapses to approximately 26in
- 34ft version collapses to approximately 30in
- Adjustable telescopic construction
- Long radiator length while remaining compact for transport
- Suitable for portable and field antenna systems
- Useful for custom HF vertical designs
- Suitable for loaded and unloaded antenna configurations
- Ideal for experimental and home-built antenna systems
- Manufactured/supplied by Füllgraf / Radio Frequency Communications in Germany
Typical Uses
- Portable HF vertical antennas
- Field and portable operating
- POTA-style installations
- Temporary base station antennas
- Quarter-wave vertical antenna systems
- Loaded vertical antennas
- Matching-unit and Unun-based antenna systems
- Ground-mounted portable verticals
- Tripod-mounted antenna systems
- Experimental and home-built antennas
3/8"-24 Compatibility
The standard 3/8"-24 mounting thread makes these whips particularly versatile and allows them to be used with many popular amateur radio mounting systems.
Suitable accessories can include:
- Portable antenna bases
- Loading coils
- Ground spikes
- Tripod mounts
- Mobile-style 3/8"-24 mounts
- Radial systems
- Matching units
This also makes the whips particularly well suited to the REZ Antenna Systems range of portable antenna components.
Recommended REZ System Components
For the 25ft Whip
The 25ft version is particularly well suited to the REZ SC-4025 40m Loading Coil, which is designed for use with a 25ft telescopic radiator.
A useful portable system can be built from:
- Füllgraf 25ft Telescopic Whip
- REZ SC-4025 loading coil
- REZ Scout XF mounting base
- REZ [Z]QD radial kit
- REZ tripod or ground spike
- REZ common-mode choke
For the 34ft Whip
The longer 34ft version is ideal for operators wanting additional radiator length without using a loading coil in every installation.
Useful accessories include:
- REZ Scout XF mounting base
- REZ [Z]QD radial kit
- REZ [Z]Pod II tripod
- REZ ground spike
- REZ 3/8"-24 Multi Mount
- REZ common-mode choke
Final tuning and matching requirements will depend on the chosen operating frequency and antenna configuration.
Specifications
| Specification | Details |
|---|---|
| Brand | Füllgraf / Radio Frequency Communications |
| Product type | Telescopic whip antenna element |
| Material | Stainless steel |
| Available lengths | 25ft or 34ft |
| Collapsed length – 25ft | Approx. 26in |
| Collapsed length – 34ft | Approx. 30in |
| Mounting thread | 3/8"-24 |
| Construction | Telescopic |
| Installation | Requires a suitable 3/8"-24 base or mounting system |
| Matching requirements | Dependent on operating frequency and antenna configuration |
Installation Notes
A suitable 3/8"-24 mounting base is required.
When the whip is used as a vertical antenna, a suitable radial or counterpoise system will normally be beneficial and may be necessary depending on the antenna design.
The required radiator length, loading, and matching arrangement will vary according to the operating frequency. The completed antenna system should therefore be checked and adjusted using an SWR meter or antenna analyser before transmitting.
A common-mode choke may also be useful to help prevent the coaxial feedline from becoming part of the antenna system.
Important Note
This product is a telescopic antenna element and does not by itself form a complete matched antenna.
Depending on your chosen operating frequency and installation, additional equipment may be required, including a suitable mounting base, radials or counterpoise, loading coil, matching unit, Unun, antenna tuner, or common-mode choke.
The REZ SC-4025 is intended specifically for installations using the 25ft whip and should not be assumed to provide the same tuning arrangement when used with the 34ft version.
Mounting base, loading coil, coaxial cable, radials, matching equipment, tripod, ground spike, analyser, and other accessories are not included unless specifically stated.
Shipping:
We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. Please see these options at checkout.
Returns:
If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:
Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request. Large items cannot be returned if they have been assembled, unless faulty.
Warranty Terms and Conditions
Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.
For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link above and return to ML&S with the faulty product.
International Warranty information
Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, [email protected]