Search found 118 matches

by Andrew (grayhat)
Wed Jan 31, 2024 4:25 pm
Forum: Questions & Advice
Topic: sBitx - any good ?
Replies: 2
Views: 992

sBitx - any good ?

Just noticed that the same folk(s) behind the uBitx made a new model, this one is called sBitx https://www.hfsignals.com/index.php/sbitx-v3/ and seems to offer quite a buch of features, but then it's an SDR and I wonder if it may be plagued by the same issues of other SDR based rigs, including the f...
by Andrew (grayhat)
Mon Jan 29, 2024 10:22 am
Forum: Field Kits and Reports
Topic: Amazing what 3 watts can do.
Replies: 4
Views: 2295

Re: Amazing what 3 watts can do.

N8TGQ wrote: Sun Jan 28, 2024 9:28 pm Since you're running from your car, maybe try an antenna mount right on the car. It will beat any ground plane you can lay out under the tripod by a lot!
A drive-on antenna base and a relatively short (5...9ft) fiberglass telescoping mast to keep the whip above the car may fit well
by Andrew (grayhat)
Thu Jan 25, 2024 7:46 am
Forum: General Discussion
Topic: Anybody home? Need a help!! thanks
Replies: 1
Views: 1005

Re: Anybody home? Need a help!! thanks

Maybe if you add some infos and detail about the kind of help you need, someone could help you, otherwise...
by Andrew (grayhat)
Sun Jan 21, 2024 4:38 pm
Forum: General Discussion
Topic: Ground antenna for TX ?
Replies: 2
Views: 1536

Ground antenna for TX ?

Apparently it works

https://youtu.be/N4V2H5dzaeU

at least judging from the above video

may be worth a try :)
by Andrew (grayhat)
Sun Jan 21, 2024 9:05 am
Forum: General Discussion
Topic: Kite lifted antennas
Replies: 3
Views: 2180

Re: Kite lifted antennas

If the UnUn is DC shorted, like this one http://www.jumaradio.com/The-challenging-Unun-Transformer/ and if the ground goes to a decent ground stake, there shouldn't be need for a bleeder since the antenna would effectively be connected to ground at DC; alternatively one may try a galvanic transforme...
by Andrew (grayhat)
Mon Jan 08, 2024 8:20 am
Forum: Questions & Advice
Topic: Best beginner CW transceiver kit to start with
Replies: 10
Views: 5223

Re: Best beginner CW transceiver kit to start with

4StateQRP is a great source alright. I've built a few of their kits with good results. Check out the transceiver kits at "qrpme.com" they also have ALOT of other useful and quirky fun kits to learn building with. Be prepared to spend some time at the site just looking around. 72 W5GUS Dal...
by Andrew (grayhat)
Sat Jan 06, 2024 1:09 pm
Forum: Questions & Advice
Topic: Counterpoise with TX500
Replies: 3
Views: 2016

Re: Counterpoise with TX500

if using an EFHW then you won't need a counterpoise (ok, a short one may improve radiation but it isn't mandatory), on the other hand, if using an EFRW (a so called "random") then you will need a cointerpoise to both improve radiation and matching through the necessary (in this case) ATU I...
by Andrew (grayhat)
Sun Dec 31, 2023 10:44 am
Forum: General Discussion
Topic: antenna support
Replies: 0
Views: 3424

antenna support

this one looks interesting https://www.gabilradio.com/gra-gnt-antenna-mount can be configured as a tripod or as a stake, has binding posts for radials and may nicely pair with a vertical or a "fishing rod" for portable operations, it is available on amazon https://www.amazon.com/GRA-GNT-Pa...
by Andrew (grayhat)
Fri Dec 22, 2023 7:20 pm
Forum: General Discussion
Topic: The perfect POTA/SOTA rig
Replies: 2
Views: 2296

The perfect POTA/SOTA rig

ok, perfection isn't of this world, but let's just try to play with some imagination, start with an existing or a non existing rig, and add all the features you feel important for a POTA/SOTA activator or for a hunter, come on, let's raise some holidays dust :) P.S. keep real, don't ask for dilythiu...