Just an update on work done this weekend: I have gone thru disconnecting and testing all the phasing lines in the 2m-eme array: 1) All eight antenna SWR were individually tested at the driven element. 2) SWR from the TR relay to the Hpol antennas shows SWR = 1.2, Z = 52, j12 I did not disconnect the lines at the 4-way divider as this looks good (within tolerance of the MFJ analyzer). 3) SWR from the TR relay to the Vpol antennas shows SWR = 1.4, Z = 79, j0 This required individually testing each phasing line, the 4-way divider, and ten-foot az-el coax jumper. I found one phasing line with SWR = 3.9, Z = 116, j120. The rest were SWR = 1.0, Z = 52-54, j0 The 4-way divider with 50-ohm terminations on all ports SWR = 1.1, Z = 59, j0 Terminations vary from 51 to 53 ohms. 4) I will check for open/short ckt on the bad phasing line but expect to replace it. The preamp/TR relay enclosure has been completely modified for a cleaner layout. A 2-foot LMR-400UF jumper was eliminated. LMR-600 directly feeds the relay matrix without jumpers. Wiring and mechanical mounts were added for a 60w 1296 amplifier to supply the 45 loop-yagi installed at the center of the 2m-eme array. The amp will temporarily be used for 23cm-eme on the dish but when the 150w amp is ready for installation at the dish, the 60w amp will be transferred over here for terrestrial use. http://www.kl7uw.com/eme144.htm I decided to delay upgrades to the 900-MHz radio until mid-summer when the 1296 amp will be transferred. Left to do is some bracing of the 3-inch cross boom and re-alignment of 2m-XP20 booms; final RF testing at QRO, then the array will be raised and be QRV (est. 2-3 days). ------------------ Remainder of week will be work on the dish getting 1296 QRV with 60w, and installing a new preamp for 432. 73, Ed - KL7UW, WD2XSH/45 ====================================== BP40IQ 500 KHz - 10-GHz www.kl7uw.com EME: 50-1.1kw?, 144-1.4kw, 432-100w, 1296-testing*, 3400-? DUBUS Magazine USA Rep dubususa(a)hotmail.com ======================================