2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84913The concept of Gravitational Dipole is introduced starting from the recent discovery of negative gravitational mass (gr-qc/0005107 and physics/0205089). A simple experiment, a gravitational wave transmitter, to test this new concept of gravitational radiation source is presented.6 pages, PDF. Added Gravitational Wave ReceiverGeneral Physicstext