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Christopher? I stated what happened in my previous post.? I was being interfered with by the Pacificon station until I put the 20 meter bandpass Filter on then everything was fine.? You guys do a

I am one of the folks that run the Pacificon station. This last year we had very good radios across the board with good harmonic suppression and no key clickers. We are transmitting through bpf's and

which filters were you using? You guys are convincing me I want to get a couple. Connie W6EFI

Agree.? I tested the 20 meter band pass filter at Pacificon.? ?The Pacificon station was running 500 Watts on 40 meters.? Their antenna was 20 feet from my antenna.? ?With no BP filter, I was

Hi Joy, The issue is symmetric. ?If you hear noise when others transmit on other bands, you will be creating the same kind of RF noise to other nearby operators when you transmit (likely broadband

Ron, the boards are 6 for $8.? I will return your $40 extra that you sent.? Thank you for your support.? ?Full building details are in the excellent manual posted to CalQrp groups.io site.? Doug

Joy, are you going to drop the filter check without trying it?????? I respectfully disagree with Dave and ask that you at least try it to see which one of us is correct.? ?But, if you don't want to

Thanks Ron, I am hearing interference from other stations some of the time. I am transmitting qrp and doubt I am causing interference for others. I could be wrong. It was my misunderstand of what

I will be at the Baylands starting with lunch. Hiroki AH6CY

Hi Joy, If you use a bandpass filter, you are less likely to interfere with other operators nearby, anyone operating on a different band ! Needing bandpass filter on other transmitters is more of a

Plenty of opportunity but I haven't done it. It sounds ?from what Ron said others would also have to use a filter in order to reduce the interference. ?Am I correct Ron? I don't want to bother other

Check out CalQrp group.? ?Our June kit is a set of bandpass filters for 40, 30,and 20 meters.? Kits are limited to 25 members but bare boards are available at $8 a set, shipped to USA only.

At the Baylands a few months back, Barry and I tested a pair of the QRP Bandpass Filters made by Tactical Radio, one for 15m, one for 20m, which are spec'd to have >40 dB cross-band rejection. ?We

Did you ever have an opportunity to test the band pass filter I made for you to test?

Except for the weather I think it would be a great place to live. Enjoyed the photos and I'm jealous about your qso's. Maybe you can start COTA, "castles on the air"? Sounds like you could activate a

How dare those oligarchs in their cabanas on deck 12 complain about you having some quiet, low key qsos on deck 14. No class! Sounds like you had a fun crossing for your first cruise on the Rotterdam.

Lets see, the ant is the cheap Chinese telescoping whip with radials. It costs about $35 on Aliexpress. The noise on the ship was the same at all operating positions. I did find that curious. It is

I just checked AliExpress and the Antenna is now $41 and change, including shipping and Trump Tariffs. We used to buy for $30, before Tariffs. Doug

Great report Dave.? ?Wow you have a wonderful qso list.? Doug

Dave, fantastic operating! Did you get any new prefixes? The IARU 100 and R 80 anniversary stations are a great catch, too. Cliff