 The 1 kW HF transmitter used a remotely tuned whip antenna, while the 3 kW HF transmitter used a vertical cage antenna., and the 10 kW transmitter employed a discone antenna.The vessel contained numerous state-of-the-art receivers, which were fed from an antenna distribution system from three whips.The DAMP ship also carried advanced cryptographic equipment which could be used to encode or decode messages of a confidential or secret nature.