Card images
I1BW
- QSO Date
- 1926-10-25
- QSO Time
- 21:30 TMG
- Mode
- CW
- Band
- 20m
The 1BW Radio Station: Giovanni Fracarro's Pioneering Contributions to Italian Amateur Radio and Industry
Introduction
The amateur radio station 1BW, operated by Giovanni Fraccaro (surname often spelled "Fraccaro" in historical records) from Castelfranco Veneto, Italy, represents a key figure in the early 1920s Italian amateur radio landscape. As one of the first licensed amateurs in the 1925-1926 period, Fraccaro's station exemplified the experimental spirit of the era, focusing on shortwave and medium-wave transmissions. While not as prominently featured in Il Radio Giornale as some contemporaries, his activities are documented in historical lists of early operators. Previously using the callsign 1GB and later I1FR postwar, Fraccaro bridged amateur experimentation with commercial innovation, founding Fracarro Radioindustrie (originally Fratelli Fracarro) in 1933 with his brothers Bruno and Italo. This company, specializing in antennas and radio equipment, remains active today, evolving into a leader in TV and satellite systems, thus linking 1920s amateur roots to modern telecommunications.
Technical Achievements and Experiments
Giovanni Fraccaro's station 1BW was part of the initial wave of Italian amateur licenses, granted during a time when only a handful (about five) were issued by the government, with others pending. Operating on medium waves (typically 200-450 meters) and likely shortwaves for tests, his setups involved valve-based transmitters with modest powers under 100W, aligned with contemporary R.C.N.I. standards for experimental telegraphy (Morse code) and early telephony.
Key highlights from historical contexts:
- Licensing and Early Operations: Licensed in the 1925-1926 biennium, 1BW participated in transmission studies and tests, similar to peers like 1MT (Giulio Salom) and 1ACD (Adriano Cavalieri Ducati). His station focused on reliability in modulation and weather-related exchanges, common in the era's daily tests.
- Equipment and Circuits: Likely utilized circuits promoted in Il Radio Giornale, such as neutrodina or tropadina for reception and emission, with antennas like unifilar types. No unique inventions are attributed, but his experiments contributed to the amateur network's growth amid regulatory restrictions.
- Transition to Industry: Post-amateur phase, Fraccaro applied his knowledge to found Fratelli Fracarro in 1933, initially producing radios and antennas, reflecting practical skills honed in the 1920s.
These efforts mirrored the period's focus on transoceanic and European proofs, though specific logs for 1BW are sparse in available records.
International Receptions and Recognition
1BW's signals were part of the early Italian amateur scene, with potential international monitoring, such as in New Zealand shortwave tests noted for contemporaries. Recognition came through governmental licensing, a significant achievement in an era of limited permits.
- Logs and Contacts: As an active station, 1BW likely featured in exchange networks for transatlantic/antipodal contacts on 90-200 meters, though not as a primary transmitter in documented feats.
- National Visibility: Listed alongside early operators in historical compilations, Fraccaro's work gained visibility through associations like ADRI and R.C.N.I., which merged into A.R.I. in 1927.
- Commercial Recognition: Later ads in Radiocorriere (1928-1931) promoted "RADIO 1BW - F.lli FRACARRO - CASTELFRANCO VENETO," linking the callsign to his emerging company as a depot in Milan. This blended amateur heritage with business, enhancing his profile.
Organizational Role and Legacy
As an R.C.N.I. member, Fraccaro contributed to the amateur community's formalization, participating in the experimental framework that influenced broadcasting (e.g., URI/EIAR from 1924-1927).
- Affiliations: Part of ADRI/RCNI networks, aiding in IARU adoption (1925 "I1" prefix).
- Legacy: Fraccaro's amateur roots directly informed Fracarro Radioindustrie, founded in 1933 and still operational today in Castelfranco Veneto, specializing in signal distribution systems. His postwar callsign I1FR continued the tradition, symbolizing the evolution from 1920s experiments to enduring industry. Recognized in Italian radio history as a foundational operator, his story highlights how amateurs drove technological and commercial advancements.
Key Specifications of 1BW
| Component | Description |
|---|---|
| Location | Castelfranco Veneto, Italy |
| Operator | Giovanni Fraccaro (part of Fratelli Fracarro family) |
| Power | Modest amateur levels (<100 watts, valve-based) |
| Wavelengths | Medium waves (200-450 meters); likely shortwaves for tests |
| Antenna | Unifilar or similar experimental types |
| Valves/Tech | Standard 1920s circuits (e.g., neutrodina-inspired for emission/reception) |
| Achievements | Early licensed amateur (1925-1926); Part of foundational Italian network; Founded Fracarro Radioindustrie (1933, still active); Postwar I1FR; Commercial ads linking callsign to company (1928-1931) |