On the air.
Anywhere, anytime.

WWFF activations, field operations, and a family-friendly 11m CB network on holiday. Two portable HF stations — a 25 W IC-7300 setup and a 5 W QRP setup — built to operate far from the shack.

Portable HF Station QRP Portable ↓ 11m CB ↓
Portable HF Station

Field-Ready HF

The same radio as the shack — the IC-7300 MK II — deployed in the field from a LiFePO4 battery, into a resonant multiband dipole for quick WWFF setups.

● Active
Field Power Supply
LiFePO4 · 50Ah
A 50Ah lithium iron phosphate battery is the backbone of the portable station. LiFePO4 chemistry is the smart choice for portable radio: flat voltage discharge curve (stays near 13.2V until nearly empty), high cycle life (2000+ cycles), and safe chemistry — no thermal runaway. At 25W TX with typical WWFF duty cycles, a single charge supports a full day of field operation with plenty of margin.
Capacity50Ah
ChemistryLiFePO4 — safe & stable
Voltage12.8V nominal · flat curve
Cycle life2000+ full cycles
⚡ Flat discharge = stable voltage
🔁 2000+ cycles
🏕️ Full day WWFF on one charge
🔒 Safe chemistry · no thermal runaway
Portable Antenna System
● Active
Multi-band Dipole
Band Hopper IV
A four-band resonant dipole covering 20m, 30m, 40m, and 80m with no tuner required on any of the supported bands. Purpose-built for portable and WWFF use: hangs between two trees or supports, deploys in minutes, and delivers true resonant performance on all four bands thanks to its fan dipole construction. The go-to antenna for quick WWFF activations.

Resonant on all four bands — no ATU needed. That means maximum efficiency at the antenna itself, with no matching loss. Easy to deploy solo in the field.

Bands20m · 30m · 40m · 80m
TypeFan dipole · resonant per band
TunerNot required
DeployBetween trees or portable masts
🌲 Hangs between trees
🎯 Resonant · no tuner loss
🏕️ WWFF-ready
WWFF Locations Near Hoboken
🏰
~6 km from home
Fort 5 Edegem
Historic Brialmont fort — quiet grounds, trees for antenna supports, open air. Solid WWFF activation spot within easy reach. The Band Hopper IV fits well between the perimeter trees.
QRP Portable Station · ON3VZ/P

5 Watts, on foot

A second, much smaller portable station built specifically for WWFF/ONFF activations: a QRP Labs QMX at 5 W into a SOTAbeams Band Hopper IV, run as an inverted V on a lightweight mast. Everything fits in a backpack, and it operates under a separate callsign, ON3VZ/P.

QRP Antenna & Mast
● 5 W QRP
Linked Dipole
SOTAbeams Band Hopper IV
Run as an inverted V on a 10 m mast, and effectively used as a III: the 40/30/20 m links do the work, full size, no ATU, no loading coils. The 80 m section stays coiled on its winder and hangs unused, since the QMX doesn't cover that band and 80 m needs more clear span than most forest clearings offer.
Bands used40 · 30 · 20 m
TypeLinked half-wave dipole
TunerNot required
WeightUnder 475 g complete
● Active
Portable Mast
SOTAbeams Tactical 7000hds
A lightweight fibreglass mast that carries the Band Hopper IV's centre and balun. Guyed by the dipole legs themselves, so tension has to stay even on both sides or the mast bends and the antenna pattern goes asymmetric. Ground spike or tripod base depending on terrain.
Height~7 m extended
MaterialFibreglass, telescopic
GuyingDipole legs double as guys

A separate identity, on purpose. ON3VZ/P has its own QRZ.com logbook, LoTW certificate and Log4OM configuration, kept deliberately apart from the shack's ON3VZ log. QRP status travels through TX_PWR = 5, spot comments, and profile text — never through a callsign suffix like /QRP, which ONFF doesn't recognise for activator credit.

Read the QMX build → Setting up ON3VZ/P → Technical manual →
Portable VHF & UHF

VHF / UHF

A dual-band handheld for POTA walk-around use and as a backup for the mobile rig. Lightweight, rugged, and compatible with the car's magnet mount antenna via a simple pigtail.

11m Citizen Band · 27 MHz

No licence needed. A local POTA-inspired family radio network for the Ardennes holiday house.

On family holidays in the Ardennes, we built a local CB radio network using 27 MHz (Citizen Band). No amateur radio licence required — fully legal in Belgium with CE-marked equipment. The full family can participate from day one — a great way to get the kids involved in radio too.

The setup combines the two PNI HP 82 handhelds (4W FM) with a proper base station (Albrecht AE 5900 Mini SSB) and a mobile car station — giving 12W SSB range of 20–60 km vs the 2–8 km of the handhelds. The holiday house becomes the radio hub.

Gainmaster 5/8 12m Spiderbeam XHD AE 5900 12W SSB BASE MAAS 220V HOLIDAY HOUSE Base Station CH38 LSB · 12W SSB 20–60 km range Omega 27 MAG AE 5900 MOBILE LiFePO4 20Ah MOBILE STATION PNI HP82 PNI HP82 2× HANDHELDS 4W FM · 2–8 km + 2 extra antennas for PNI HP 82 extended range (see equipment list) CB 27 MHz FAMILY NETWORK — ARDENNES HOLIDAY
× 2
CB Handheld
PNI HP 82 × 2
27 MHz · 4W FM · CE-marked
Two handhelds already in hand. Used for short-range family comms (2–8 km in hilly terrain). Will be combined with the base station and extra antennas for better range.
No licence needed CH 1–40
Future · Holiday setup
CB Base Station Radio
Albrecht AE 5900 Mini SSB
12W PEP SSB · compact · CE-marked
The key upgrade: 12W SSB vs 4W FM. SSB filters signals more efficiently — 3× more effective in hilly terrain. TFT colour display, VOX, NRC noise reduction. Two identical radios (base + mobile) for consistent operation. Plugs into the MAAS SPS-30 II at the holiday house.
Modes: AM · FM · USB · LSB
Power: 12W PEP SSB
Channels: 40 EU + CEPT multi-norm
Future · Mobile car setup
CB Mobile Car Station
Albrecht AE 5900 Mini SSB
Second unit · same radio as base
Identical second unit for the car. Powered by the LiFePO4 20Ah battery (same as the amateur mobile setup). Mounted via RAM Mount suction cup system — removable in seconds. No drilling in leased car.
Future · Base station
Base Antenna
Sirio Gainmaster HW 5/8
7.36m · 3.2 dBd · omnidirectional
The base station antenna on the 12m Spiderbeam XHD mast. Mounted at ~5m height — antenna top reaches ~12m. Self-resonant on all 40 CB channels, SWR typically <1.5 without adjustment. Holiday house becomes a radio hub covering the entire area.
Gain: 3.2 dBd omnidirectional
Height: 7.36m antenna body
Mast: 12m Spiderbeam XHD · 5m mount point
Future · Mobile antenna
Mobile Car Antenna
Sirio Omega 27 MAG
94.5cm · black · magnet base 125mm
The best choice for mobile within 1m length: full black, one piece stainless steel, base-loaded coil, closest to a real quarter-wave of all options under 1m. Magnetic base (125mm) for rooftop mounting on the car. Tunable, no external tuner needed.
Future · Base infrastructure
Mast + Tripod
Spiderbeam 12m XHD + DX-Wire HD Tripod
XHD: 20mm top Ø · HD Tripod: 20 kg
The XHD version (not HD) is essential — the Gainmaster is 7.36m and 600g, and the HD mast's 8mm top would flex and break in wind. XHD top is 20mm. DX-Wire HD Tripod holds the mast with a large footprint. Guywires on 3 sides for stability.
Future · Base station power
Mains Power Supply
MAAS SPS-30 II
220V → 13.8V / 30A · switching
Powers the base station AE 5900 at the holiday house (220V mains available at the POTA location). Compact 1.5 kg, designed specifically for radio use — no interference on CB band. Alternative: Diamond GSV-3000 (linear, heavier).
Future · Handheld upgrade
Extra Antennas for PNI HP 82
2 × external CB antennas
Extended range for handhelds
Two additional antennas to extend the range of the PNI HP 82 handhelds — used by family members in the field. Combined with the 12W SSB base station, the whole family stays in contact across the Ardennes.
For PNI HP 82 × 2 No licence
CHFrequencyUseTag
1927.185 MHzInternational call channel AM/FM (road, trucks)CALLING
38 LSB27.385 MHz LSBSSB call channel Europe — use for POTA · agree working channel then moveSSB CALL
2727.275 MHzPopular calling channel in BelgiumBE
3527.355 MHzWorking channel after call on CH38 LSBWORKING
4W FM · PNI HP 82
Range flat terrain: 5–15 km
Range Ardennes hills: 2–8 km
In forest / valley: All or nothing
POTA use: Short range only
12W SSB · Albrecht AE 5900
Range flat terrain: 30–80+ km
Range Ardennes hills: 20–60 km
In forest / valley: SSB filters better
POTA use: Yes — recommended
⚠️
Legal note: CB radio on 27 MHz is completely free without a licence in Belgium. CE-marked equipment is mandatory. The Albrecht AE 5900 Mini SSB is CE-certified (CEPT multi-norm). SSB at 12W PEP is the legal maximum — 3× more effective than 4W FM.