XPost: rec.radio.amateur.moderated

Amateur/Ham Radio

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Weekly Information / Mentor / New License Thread

Posted: 28 Mar 2022 06:00 AM PDT https://www.reddit.com/r/amateurradio/comments/tq8rlb/weekly_information_mentor_new_license_thread/


This thread is used for those who just passed their tests to introduce themselves, a place to ask questions that you think dont deserve its own
thread and a place to brag!
Posts will be sorted by new!
Before posting, please make sure to read our FAQs and Wiki Page as your question might have already been answered.
Also make sure to check out our Rules Page
Weekly Nets And Chat Rooms: DMR Net: 0000 UTC Tuesday (Monday night US,
8pm Eastern). No net control. Brandmeister TG 98003. Also linked via
echolink. More info can be found here. HF Net: 01:30 UTC Monday Morning
(Sunday night US). Coordinate via IRC, no net control. Information can be
found here CW Noob Net: 02:30 UTC Saturday Morning (Friday night US). Coordinate via IRC, no net control. Information can be found here Official
IRC Channel - #amateurradio on Geekshed. Link to web-based client is here
but feel free to use whatever client you like. Official Discord Server - /r/amateurradio is on discord. Click here to join Collegiate Ham Radio
Groupme is here Young Amateurs Communications Ham Team EchoLink Net 19:00 Central Saturday Night /r/amateurradio group on the Brandmeister network -
TG 98003 - Listen Live - This talkgroup is bridged to AllStarLink node
48224 and Echolink node W5RI-L and on D-Star via XLX216 Module E North
American Traffic and Awards Net Nightly at 22:30Z on 7.185. If youd like to join a weekly net for new and returning amateurs, check out the details at http://ftroop.vk6flab.com, the net runs every week on Saturday, from 00:00
to 01:00 UTC on Echolink, IRLP, AllStar Link and 2m FM via various
repeaters. You can also listen via the brandmeister hoseline! Link on
homepage. submitted by /u/AutoModerator
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What kind of connection is this?

Posted: 28 Mar 2022 09:41 AM PDT https://www.reddit.com/r/amateurradio/comments/tqdgom/what_kind_of_connection_is_this/

submitted by /u/LOLunlucky
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An amplified crystal radio i made,with an improved diode and an inbuilt antenna,it also has a port for another antenna and a ground connector.I've
even designed my own headphones,aren't the prettiest but they work great.

Posted: 28 Mar 2022 01:23 PM PDT https://www.reddit.com/r/amateurradio/comments/tqifi8/an_amplified_crystal_radio_i_madewith_an_improved/

submitted by /u/ZatannaIzSwag
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FCC wants to hire to fight pirate radio

Posted: 28 Mar 2022 02:12 PM PDT https://www.reddit.com/r/amateurradio/comments/tqjiku/fcc_wants_to_hire_to_fight_pirate_radio/

submitted by /u/KY4ID
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Yaesu FT-60 - is it still the best basic analog HT?

Posted: 28 Mar 2022 11:57 AM PDT https://www.reddit.com/r/amateurradio/comments/tqgiv7/yaesu_ft60_is_it_still_the_best_basic_analog_ht/


I find it hard to believe that nobody has topped a radio that was first released in 2004. submitted by /u/Altruistic-Radish-17
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I live in (and am president of) a HOA. Can you hide an antenna? Other ideas?

Posted: 28 Mar 2022 03:08 AM PDT https://www.reddit.com/r/amateurradio/comments/tq5zdg/i_live_in_and_am_president_of_a_hoa_can_you_hide/


Im getting into Ham for the first time when I test this summer. (Failed the test years ago and never got around to taking it again) I live in a HOA and
I have two neighbors who will pitch a hissy fit if they can see an antenna.
I deal with them on the board so I know how they can be. I live extremely
close now to a repeater if I remember correctly from before. I wondered if
Id get any real enjoyment if I cant mount an antenna for a base station. I
also wondered if it was even worth fooling with at all if I cant mount something.
Id like some suggestions and ideas before I go out and start studying
again for my test. Thank you in advance.
Edited to add: thanks everyone for the advice. So our HOA is full of people
who refuse to participate. We can not change the huge quarum requirements
until we can get enough votes to do so. We would love to make loads of
changes, state law makes some requirements that make it slightly more complicated than just a signature. Even when we made it as easy as dropping
by the park, few showed up. No one cares, until something happens then I
get harassed along with the rest of the board, about it. Im aware of the TV antenna thing. It would wind up in court and no one in this little working class neighborhood can afford it. Wed move but housing prices have
skyrocketed, and we cant afford a bigger payment. So were kinda stuck. submitted by /u/Bastilleinstructor
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30Mhz and lower in a Tesla

Posted: 28 Mar 2022 01:44 PM PDT https://www.reddit.com/r/amateurradio/comments/tqiw81/30mhz_and_lower_in_a_tesla/


Some day I would like to own a Tesla. Ive seen some youtube videos on
various radio transceivers mounted in various EVs and they all seem to have their own weird interference problems. It probably has something to do with hundreds of KW worth of power inverters operating in the tens to hundreds
of khz switching range on the same ground reference as a radio receiver. I
dont think new Teslas even have AM radios in them!
Does anyone here have any experience running 30Mhz and lower in a Tesla? Id eventually like to own a Tesla someday and would like to put an HF rig in
it. Is there any hope for it working while the car (or Cybertruck) is on
and driving? Or am I going to be stuck operating off of a separate 12V
battery just for the HF radio, and only while parked, with the Tesla
powered down?
Looking for any experience with this, good or bad. submitted by /u/put_tape_on_it
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How to place multiple antennas within a relatively small area.

Posted: 28 Mar 2022 11:09 AM PDT https://www.reddit.com/r/amateurradio/comments/tqfgfr/how_to_place_multiple_antennas_within_a/


Hi. I am working on a project where I need to place some external antennas
in an plane of around 220mm to 400mm in size.
The wireless technologies in use are WiFi 2.4/5Ghz, Bluetooth, 4G LTE, 5G
NR, LoRaWAN 865 to 868MHz. We plan to use 2 antennas for WiFi-Bluetooth, 3
or 4 for Cellular (Main, Diversity, GNSS, 2x MIMO Antennas Frequency Range
of cellular from 700MHz to 5GHz) and 1 antenna for LoRaWAN.
I am no RF Engineer, but I want to decide the placement of these antennas. Requirements are that the interference and coupling between antennas is
minimal and these antennas perform optimally within the constraints.
Apart from the general guidelines for antennas placement such as placing
the antennas at least 1/4th wavelength apart, orienting the antennas in a
way that that the radiation patterns of antennas are different from each
other what are the other ways to ensure optimal performance?
I would really appreciate if someone can point me to resources that will
help me come up with a solution for this. Also, learnt that some antennas placement simulation software can help decide antenna placement.
What different approaches can I try to solve this?
Thanks! submitted by /u/surfinride
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Out of pure curiosity, how many of you are proficient in continous wave?

Posted: 28 Mar 2022 01:50 PM PDT https://www.reddit.com/r/amateurradio/comments/tqj0oo/out_of_pure_curiosity_how_many_of_you_are/


Ive tried learning CW, but it seems to be that kind of a thing that it is
easy to learn but extremely hard to master.
So I was curious how many of you are feeling comfortable with recieving and transmitting in CW without the help of a software. submitted by
/u/Aelius23
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What's going on here????

Posted: 28 Mar 2022 03:29 PM PDT https://www.reddit.com/r/amateurradio/comments/tql3uu/whats_going_on_here/

submitted by /u/SpaceAilen
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Remote control to avoid horrific coax run and other issues

Posted: 28 Mar 2022 01:07 PM PDT https://www.reddit.com/r/amateurradio/comments/tqi2r2/remote_control_to_avoid_horrific_coax_run_and/


Where would I look for remote control technology where I could interact
with a virtual transceiver on a computer, but the real RF transceiver is located in a different corner of the house, or maybe even in a dog house? I
am trying to avoid 1) terrible coax run from my office, 2) having receiver
next to computers, 3) desktop clutter, 4) punching holes in walls / windows where the XYL would throw an absolute fit. I think it would be too much for Bluetooth, so maybe WiFi P2P (WiFi Direct). Any thoughts? submitted by /u/SquattyLaHeron
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Passed my foundation licence. Now it's time to pick radio.

Posted: 28 Mar 2022 12:35 PM PDT https://www.reddit.com/r/amateurradio/comments/tqhdmj/passed_my_foundation_licence_now_its_time_to_pick/


I live in the UK and I just have passed my foundation licence.
I am looking into buying a small handheld radio 10 watts (under foundation licence in the UK you can only 10 watt radios)
Many people are recommending to get Baofeng UV-5R which for many people is convenient and gives a range of 4-5 miles and amazing value for money
however they are some people who are completely against due to being
complete piece of poo and say you should buy Japanese one. I respect every
body opinions about them and I would like to really hear it from users who actually used them.
Is there any recommendation regarding 10 watts radios which Im not gonna
break a bank. submitted by /u/Dyzi0r
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the VHF/UHF part of the shack - reorganized

Posted: 27 Mar 2022 02:30 PM PDT https://www.reddit.com/r/amateurradio/comments/tptqge/the_vhfuhf_part_of_the_shack_reorganized/

submitted by /u/hb9nbb
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Small Magnet Loop for Transmission: How to measure capacitor voltage?

Posted: 28 Mar 2022 11:01 AM PDT https://www.reddit.com/r/amateurradio/comments/tqfahu/small_magnet_loop_for_transmission_how_to_measure/


Ive been tinkering with small magnetic loop antennas using a Faraday
coupling loop. Its great fun tuning them to resonance.
Id like to measure the actual voltage across the tuning capacitor when operating, but Im not sure how. It could be hundreds of volts at HF frequencies.
Any ideas? submitted by /u/PDP-8A
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HF from North Carolina to S. Korea?

Posted: 28 Mar 2022 04:04 PM PDT https://www.reddit.com/r/amateurradio/comments/tqltkx/hf_from_north_carolina_to_s_korea/


Is it possible to make a shot from NC to S Korea using a NVIS antenna? If
so, what are some possible planning considerations? submitted by
/u/cbk_6
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20 meter zep

Posted: 28 Mar 2022 03:42 PM PDT https://www.reddit.com/r/amateurradio/comments/tqldx0/20_meter_zep/


My Elmer has warned me about the collective knowledge of the internet (no offense) when it comes to things amateur radio related. Unfortunately I am currently unaware of his mortal state so rather than perhaps getting no
answer I will try asking here. I am sure this sort of thing has been
discussed before but if I may revisit the topic in some particulars.
So after some calculating and measuring I have settled on being able to
squeeze in a 20 meter (edit: double extended 5/8) zep. One issue I am
checking on is the center connection and the feed line. My plan is to use 2 continuous pieces of 14 gauge hard drawn wire for each side, meaning the
feed line and onenleg will be a single piece. The center I was going to
snake through 3 holes of a center support and maybe a small wire clamp to
hold it static but will also allow me to adjust the length if need be for tuning. I was thinking about running a ladder line with a 6 inch spacer
down to the feed point. I see no reason why this may be a problem but if it
is I would like to know why.
Next question is do I keep the same 6 inches where I turn the wire to
extend out from the feed to the antenna portion or does it need to be
closer?
The bit I am still a little muddy on is the feed into the transceiver. I
was told that I would be able to just splice it to coax and the tuner
should be able to work it out on its own. But I have also read that a balun would be needed. This is probably the bit I could use a solid answer on.
Some tuners I see have an input for balanced lines that goes through a
balun in the unit. I can build my own balun if need be, that seems simple enough. submitted by /u/LoneStrangerer
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My First Radio

Posted: 28 Mar 2022 02:51 PM PDT https://www.reddit.com/r/amateurradio/comments/tqkc8v/my_first_radio/


Way back in 2002 I got this from AES Cleveland. I found the picture of the radio but I cant remember the model number. I just remember the thing took
8 AA batteries. Guess Im being all nostalgic. Kinda long for those days
where I didnt have a couple dozen menus and sub menus and no computer programming. Im getting old I guess
https://imgur.com/a/6J9sXta submitted by /u/lvnv1983
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Will this FM radio receiver circuit work?

Posted: 28 Mar 2022 01:23 PM PDT https://www.reddit.com/r/amateurradio/comments/tqifva/will_this_fm_radio_receiver_circuit_work/


I designed a FM radio receiver circuit, and I cannot test it on a
breadboard due to the internal capacitances and the high frequency of the signals Im trying to receive. Im about to solder all of the components onto
a perfboard, but I want some verification or further tweaking of the
circuit before I do it. Heres the link to the circuit: https://drive.google.com/file/d/1sk2uIf56Ake_oD8jrhKbnRg40w9vK0zb/view?usp=sharing

Please tell me if it works or not and if there is something wrong with it,
how I can fix it or improve upon it.
Thanks in advance. submitted by /u/draginxboi
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Cheap DMR HT?

Posted: 28 Mar 2022 01:15 PM PDT https://www.reddit.com/r/amateurradio/comments/tqi9q2/cheap_dmr_ht/


Im looking for an inexpensive DMR HT for repeater use to recommend to local hams who are not ready to pay ~$300 for the high-end market leaders like
the D878.
The GM-77 would be perfect for this, but appears to be no longer available.
As far as I can tell, none of the Radioddity models is available today
except the GM-73, which is only recommended for hotspot use.
UHF-only is acceptable, as there are no VHF DMR repeaters in this area.
What is available in the low cost, $100 or so range that you would
recommend? submitted by /u/FireWatchWife
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How can I fix this? Its not worth returning.

Posted: 28 Mar 2022 09:07 AM PDT https://www.reddit.com/r/amateurradio/comments/tqcpzq/how_can_i_fix_this_its_not_worth_returning/

submitted by /u/MySixtyNineCents
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A buzzing transmitting set for early amateur radio operators and others-99 years ago

Posted: 27 Mar 2022 11:10 PM PDT https://www.reddit.com/r/amateurradio/comments/tq2rbm/a_buzzing_transmitting_set_for_early_amateur/

submitted by /u/dt7cv
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Hello, i can transform a PC power supply in a radio power supply?

Posted: 28 Mar 2022 07:59 AM PDT https://www.reddit.com/r/amateurradio/comments/tqb7yu/hello_i_can_transform_a_pc_power_supply_in_a/


I got a lot of parts of PCs, so, i want to ask if I can use some of them
for radios, like the power supply or even the motherboard (old PC parts) submitted by /u/Dismal_Newt_5565
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Texts for learning about antennas

Posted: 27 Mar 2022 10:02 PM PDT https://www.reddit.com/r/amateurradio/comments/tq1r48/texts_for_learning_about_antennas/


Im really interested in learning about antenna design but the ARRL antenna books are catastrophically organized, at best. Is there a good resource for learning about antenna theory? submitted by /u/tomjoad773
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I finished the code for my QRSS beacon! It even transmits telemetry data
now. Now to build a PA and put it in a box... (GitHub link in comments)

Posted: 27 Mar 2022 12:41 PM PDT https://www.reddit.com/r/amateurradio/comments/tprgg5/i_finished_the_code_for_my_qrss_beacon_it_even/

submitted by /u/ZeoNet
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Whats a good beginner rig?

Posted: 28 Mar 2022 09:04 AM PDT https://www.reddit.com/r/amateurradio/comments/tqcnbp/whats_a_good_beginner_rig/


Hi. I would really like to start out with radio. What rig should I get for
a beginner? Wouldnt it be good to get a reciever and a tranciever that
could transmit all different frequencys. Sorry im very new to this.
submitted by /u/memelordCOTW
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How to re-learn decades old HAM skills?

Posted: 27 Mar 2022 10:29 PM PDT https://www.reddit.com/r/amateurradio/comments/tq25mb/how_to_relearn_decades_old_ham_skills/


I will start again after decades of inactivity. But what is the best way to re-learn it?
I used Android Morse apps to re-learn Morse and that was ridiculously easy actually. I am also using webSDR online receivers to listen to traffic. So
I think this side I already figured out.
But what is the best way to re-learn tech? I mean I have forgotten even the basic calculations. And radio propagation stuff was always pure voodoo to
me. I am reading an ancient tech book already though. submitted by /u/No-Surround9784
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