They are a compact design and are designed for open field, camping, garden or a trip to the park, on the balcony in a flat, boat or anywhere a wire antenna isn't practical, They could be permanently fitted outside but would need to have the capacitor Enclosed.
eBay
Loop Antenna Active Magnetic HA SDR Shortwave Wireless For Aviation Bands And Frequencies-Y41A
Aliexpress UK
1x MLA-30 100kHz - 30MHz Ring Active Receive Antenna. Main coverage: 100kHz to 30 MHz. Frequency coverage: 100kHz to 30 MHz. By rotating the antenna so that the dummy point of the antenna is aligned with the interfering signal, the specific near-field interference can be minimized.
eBay
HFDY 50K-500MHz Wideband Active Small Magnetic Loop Antenna LZ1AQ Amplifier HF AM FM VHF UHF SDR Receiver Radio Tescun Malahitea
Aliexpress UK
They are a compact design and are designed for open field, camping, garden or a trip to the park, on the balcony in a flat, boat or anywhere a wire antenna isn't practical, They could be permanently fitted outside but would need to have the capacitor Enclosed.
eBay
MINI-25 Magnetic Loop Antenna 14MHz-50MHz HF Antenna for Shortwave Radio Walkie Talkie Compatible with SV2CZF RX only
Aliexpress UK
They are a compact design and are designed for open field, camping, garden or a trip to the park, on the balcony in a flat, boat or anywhere a wire antenna isn't practical, They could be permanently fitted outside but would need to have the capacitor Enclosed.
eBay
High Impedance Amplifier Suitable For SDR Walkie Talkie Small Loop Antenna With Donut AM MW/SW Mini Loop Antenna
Aliexpress UK
They are a compact design and are designed for open field, camping, garden or a trip to the park, on the balcony in a flat, boat or anywhere a wire antenna isn't practical, They could be permanently fitted outside but would need to have the capacitor Enclosed.
eBay
Wishcolor GA-450 Loop Antenna SDR Antenna GA450 Shortwave & MW Antenna Supports SW 2.30-30MHz MW 522-1710KHz
Aliexpress UK
They are a compact design and are designed for open field, camping, garden or a trip to the park, on the balcony in a flat, boat or anywhere a wire antenna isn't practical, They could be permanently fitted outside but would need to have the capacitor Enclosed.
eBay
Magnetic Base CB Radio Antennas 27MHz Lightweight Antennas Handheld CB Antennas for Improved Communication in Vehicles & Outdoor
Aliexpress UK
This handmade copper Loop upgrade is a must have for any shortwave enthusiast who owns MLA 30 or any other type of antenna a like and is looking to upgrade for a little more improved reception at pulling in them weak distant signals with their shortwave radios and SDR receivers plus others attached to this unique hand made copper loop.
eBay
ABBREE Donut Loop Antenna Walkie Talkie SW AM/MW WB 4MHz-24MHz/500kHz-2000kHz/10k-180MHz Lightweight Broadband Reception Antenna
Aliexpress UK
Frequency coverage: 500kHz to 30 MHz. Excellent directivity can help you reduce noise and improve signal-to-noise ratio, and can dig out weak signals that are drowned by noise when received by traditional antennas.
eBay
High Impedance Amplifier Small Loop Antenna 5V 600mA Doughnut Short Wave Antenna Built-In 600mah Battery for SDR Walkie Talkie
Aliexpress UK