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Two Communications

@twocommunications.bsky.social
100 followers 2 following 627 posts

From Terrestrial To Celestial📡 www.whatsapp.com/channel/0029Va5GQJ…

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Two Communications @twocommunications.bsky.social · 22h
7el LFA 6M & KT34XA Tribander HF Beam, SK6EI Club
052
Two Communications @twocommunications.bsky.social · 02/10/2026
Raspberry Pi Setup for D-Star Access Point
021
Two Communications @twocommunications.bsky.social · 01/10/2026
"A Low-Cost Single-Signal Receiver" build-it-yourself project described in the October 1938 issue of QST in an article by George Grammer. It was subsequently included in the 1939 edition of The Radio Amateur's Handbook.
021
Two Communications @twocommunications.bsky.social · 30/09/2026
Wes Schum (L), W9DYV, and Joe Batchelor (R), K9KMY, demonstrating the advantages of single-sideband (SSB). Georgia, circa 1956
141
Two Communications @twocommunications.bsky.social · 29/09/2026
6-Meter TMC N.Y. EA7BUU - Modified amplifier featuring a low-drive QB4-1100 tetrode, capable of up to 600W of output power.
152
Two Communications @twocommunications.bsky.social · 28/09/2026
The Collins Story, written by Toru Ebisawa, is crafted in a style that conveys the joy of seeking the real thing, not just ornaments. A technical read is filled with the passion of an author who spent his youth yearning for Collins radios.
041
Two Communications @twocommunications.bsky.social · 27/09/2026
The US Naval Reserve Master Control Radio Station K9USN, Great Lakes IL
031
Two Communications @twocommunications.bsky.social · 26/09/2026
Chippenham & District Amateur Radio Club, circa 1991
021
Two Communications @twocommunications.bsky.social · 25/09/2026
Basic Circuit Diagram for a Shortwave Power Amplifier Operating on 10 - 20 Meters
041
Two Communications @twocommunications.bsky.social · 24/09/2026
Radio Club, Society for Sport and Technology (GST). Radio operator using a Teltow 215B, circa 1978
152
Two Communications @twocommunications.bsky.social · 23/09/2026
VU2BZ Royal Signals Station in Rawalpindi 1930s
021
Two Communications @twocommunications.bsky.social · 22/09/2026
OE5SLN Antenna
031
Two Communications @twocommunications.bsky.social · 21/09/2026
DX Radio Station
031
Two Communications @twocommunications.bsky.social · 20/09/2026
First amateur radio contact between Argentina and New Zealand. Station Z-2AC, owned and operated by Ivan H. O’Meara. A 50-watt tube transmitter and an inverted-L antenna. O’Meara was the New Zealand amateur who bridged the gap between his station and that of Carlos Braggio, CB8, in Buenos Aires
020
Two Communications @twocommunications.bsky.social · 19/09/2026
Radio Teletype (RTTY) on a Video Display Terminal (VDT). TV set modified for composite video and RF input, circa 1977.
062
Two Communications @twocommunications.bsky.social · 18/09/2026
LA1K's station at the the Student Society, circa 1933
031
Two Communications @twocommunications.bsky.social · 17/09/2026
Silverthorn Collegiate Institute - VE3SCI High School Radio Club, circa 1974
041
Two Communications @twocommunications.bsky.social · 16/09/2026
Power Amplifier Valves, Type RL12P35
031
Two Communications @twocommunications.bsky.social · 15/09/2026
G3SZJ Hamshack, circa 1965
071
Two Communications @twocommunications.bsky.social · 14/09/2026
Electronics magazine, September 1948. Inside the Bell Labs workshop where the future of electronics was taking shape: John Bardeen in the background, Walter Brattain on the right, and William Shockley seated at the workbench...
041
Two Communications @twocommunications.bsky.social · 13/09/2026
Drake R8A Shortwave HF Radio Receiver
051
Two Communications @twocommunications.bsky.social · 12/09/2026
CX3RAN Antenna
021
Two Communications @twocommunications.bsky.social · 11/09/2026
KW 2000B - Vacuum tubes. Mechanical filters. A VFO. And 6146 power tubes.
072
Two Communications @twocommunications.bsky.social · 10/09/2026
Collins Amateur Radio Equipment
0112
Two Communications @twocommunications.bsky.social · 09/09/2026
2m & 70cm EME Antenna
030
Two Communications @twocommunications.bsky.social · 08/09/2026
U.S. Army Signal Corps teletype operators learning Morse code, circa 1943
052
Two Communications @twocommunications.bsky.social · 07/09/2026
Wire radio transmitting antenna built by radio amateur William D. Reynolds, 9ZAF, at his Denver home around 1920. The antenna was an imposing “L”-type double-cage aerial, rising approximately 80 feet and stretching 90 feet between its supporting towers...
042
Two Communications @twocommunications.bsky.social · 06/09/2026
Yaesu FT-891
041
Two Communications @twocommunications.bsky.social · 05/09/2026
Collins 51S-1 Communications Receiver
061
Two Communications @twocommunications.bsky.social · 04/09/2026
Leroy Moffat, Jr., 5HK, 105-foot-long, 93-foot-high inverted-L cage aerial was built from six parallel wires, held apart by wooden spacers to form a wire cage. The vertical section served as the radiator, the horizontal section provided capacitive top-loading to improve the antenna’s performance
041
Two Communications @twocommunications.bsky.social · 03/09/2026
The Heathkit HW-7 and HW-8
041
Two Communications @twocommunications.bsky.social · 02/09/2026
Radio Compass Receiver - Exhibit in the wireless collection of the New England Wireless and Steam Museum - East Greenwich, Rhode Island, USA.
021
Two Communications @twocommunications.bsky.social · 01/09/2026
Hiram Percy Maxim (September 2, 1869 - February 17, 1936). American radio pioneer and inventor, and co-founder (with Clarence D. Tuska) of the American Radio Relay League (ARRL).
031
Two Communications @twocommunications.bsky.social · 31/08/2026
Short Wave Craft: The Radio Experimenter’s Magazine, September 1935.
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Two Communications @twocommunications.bsky.social · 30/08/2026
Don Juan Carlos I de Borbón, EA0JC - King of Spain.
031
Two Communications @twocommunications.bsky.social · 30/08/2026
A small spark-gap transmitter, an early form of radio transmitter used during the wireless telegraphy era before 1920. This example comes from a 1909 book on radio and was designed as a demonstration unit. components: a Leyden jar battery, induction coil, spark gap, antenna, and ground connection.
021
Two Communications @twocommunications.bsky.social · 28/08/2026
PE1NAO Antenna
021
Two Communications @twocommunications.bsky.social · 27/08/2026
OZ1LWT QTH
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Two Communications @twocommunications.bsky.social · 26/08/2026
Young radio enthusiasts find themselves caught up in a world of secret signals, spies, smugglers, and dangerous missions. The Radio Boys on Secret Service Duty by Gerald Breckenridge, published by A. L. Burt Company in 1922. It is the second book in Breckenridge’s Radio Boys adventure series.
021
Two Communications @twocommunications.bsky.social · 25/08/2026
Minidoka Relocation Center, Washington. Radio repair shop. 1942
021
Two Communications @twocommunications.bsky.social · 24/08/2026
Pyramidal Wire Antenna
021
Two Communications @twocommunications.bsky.social · 23/08/2026
Collins 30S1
031
Two Communications @twocommunications.bsky.social · 22/08/2026
LU5BE Antenna
031
Two Communications @twocommunications.bsky.social · 21/08/2026
Trevor Evans, VK2NS, of Bathurst, Australia, was the winner of the first BERU contest in 1931. Operating from his home station, Evans scored 64 points from 64 contacts during British Empire Radio Week, including 55 contacts with New Zealand stations... whatsapp.com/channel/0029...
021
Two Communications @twocommunications.bsky.social · 20/08/2026
Internet controlled 23cm Earth-Moon-Earth (EME) beacon by OE5JFL
041
Two Communications @twocommunications.bsky.social · 19/08/2026
A wireless telegraphic Morse key operator at 17 Lines of Communication Signals, Darwin, Northern Territory, Australia, 1944.
031
Two Communications @twocommunications.bsky.social · 18/08/2026
9 elements OWL yagi - PE1ITR Earth-Moon-Earth (EME) Antenna
051
Two Communications @twocommunications.bsky.social · 17/08/2026
Collins "Log of Amateur Radio Station"
051
Two Communications @twocommunications.bsky.social · 16/08/2026
Drake SSR-1 Communications Receive (1975)
041
Two Communications @twocommunications.bsky.social · 15/08/2026
Czechoslovakia Field Day 1973
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