Inside the classic Two-fer QRP transmitter

Manhattan-style construction was used to recreate the classic Two-fer 3-watt crystal-controlled transmitter at KI6SN. Dozens of on-air reports prove that not only is this rig a real QRP workhorse, it puts out a crisp, clean CW note that any low power enthusiast would be proud of. For more information on Manhattan-style construction, read K7QO's tutorial.