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thx 4 information, if it happened again I will try your fix :)

Not everything but nearly everything **Jump_im** I use the same combination in my car together with the ATAS 120A and this is more lazy than the combination 875 - mh 59 :D :D :D So the function of the MH 59 is excellent but the RFI problem is not so fine

OK the number on the 2nd ferrit is a little bit difficult to read but I think its JPN 135 5.5 I tried to google it but no matches https://www.dropbox.com/s/0to3w7tchjdkcia/DSC_0264.jpg

bingo :) excelent :) many thx EDIT: ohh nooo, its only to 30 MHz, I need it for 70 cm :(

thx for the answers, it looks that my problem is a little bit complicated ^^ In the worst case I have to build my own switch with 2 HF relais CX 120 P (CX 120 A), cost around 35 EUR / each or the better one the CX 600 N but this is very expensive (94 EUR / each)

Dear all, I am looking for an antenna switch but I dont know the correct name ^^ may be x-antenna-switch is a good name for it I want to connect TRX 1 to Antenna 1 (black lines) TRX 2 to Antenna 2 (black lines) if I "turn" the switch TRX 1 to Antenna 2 (orange lines) TRX 2 to...

Inside the MH 59 I have 10 x FT50-77 AMIDON FERRITE TOROID. FAIR-RITE 5977000301 QRP SWR, | eBay on the cable it looks like this: Bestellen Sie Ferrit Hüllenkern Ferrit Klemmfilter 27x49mm ID 4mm TDK ZCAT2749-0430C online - versandkostenfrei ab 50 € Nettobestellwert. can not...

Today I found a solution, I added a second ferrit on the mic cable short before the TRX.

So I went to my car (I am on night shift) and plugged the mic out. There is no number on the cable. I opened the mic to check the cable, it looks that it is no shielded cable, there is only something like "cloth" inside, means no metal. I tested again 10m to play a little bit with the SSB...

dont know, the mic is from 2012 but I can check this if no shield I can try to cover it with aluminium foil (from the kitchen) to test if it works

Hello from Germany, I have the same problem with the MH 59 on FT 857 D I tried to put in a ferrit as in the link and several more ferrits on all cables ^^ I am using the ATAS 120A as antenna, UHF/VHF no problems, 15m no problems, good modulation but on 10m it doesnt work. I can not test it on...