{"id":31994,"date":"2018-05-11T10:44:26","date_gmt":"2018-05-11T14:44:26","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=31994"},"modified":"2018-05-11T10:44:26","modified_gmt":"2018-05-11T14:44:26","slug":"ivan-performs-two-tests-with-the-airspy-hf","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2018\/05\/ivan-performs-two-tests-with-the-airspy-hf\/","title":{"rendered":"Ivan performs two tests with the AirSpy HF+"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/Airspy-Ivan.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-31995\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/Airspy-Ivan.jpg\" alt=\"\" width=\"854\" height=\"458\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/Airspy-Ivan.jpg 854w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/Airspy-Ivan-300x161.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/Airspy-Ivan-768x412.jpg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/Airspy-Ivan-624x335.jpg 624w\" sizes=\"auto, (max-width: 854px) 100vw, 854px\" \/><\/a><\/p>\n<p>Many thanks to <em>SWLing Post<\/em> contributor,\u00a0Ivan Cholakov (NO2CW), who shares the following:<\/p>\n<blockquote><p>Thomas, there has been a lot of discussions regarding Airspy HF+ ever since it came out &#8211; heated exchanges regarding comparisons with peers, modifications and firmware updates.<\/p>\n<p>I took my Airspy HF+ and conducted two tests with it:<\/p>\n<h3>Airspy HF+ vs. SDRPlay RSP-1A on HF and Medium Wave<\/h3>\n<\/blockquote>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/qLW7fk7vWdo?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/youtu.be\/qLW7fk7vWdo\" target=\"_blank\" rel=\"noopener\">Click here to view on YouTube<\/a>.<\/p>\n<blockquote><p>Since I could not completely equalize the audio levels, I think it&#8217;s good to look at the peak to valley ratios on the display rather than the audio volume.<\/p>\n<h3>Airspy HF+ with the R3 mod on and off:<\/h3>\n<\/blockquote>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/A3KI7fNKrFY?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/youtu.be\/A3KI7fNKrFY\" target=\"_blank\" rel=\"noopener\">Click here to view on YouTube.<\/a><\/p>\n<blockquote><p>This comparison used SDR #. It may be helpful to run the same comparison on SDR Console V3. I may do that at a later time.<\/p>\n<p>Both tests used <a href=\"https:\/\/swling.com\/blog\/2017\/02\/the-w6lvp-magnetic-loop-antenna\/\">W6LVP&#8217;s portable amplified receiving loop antenna<\/a> in a noisy suburban backyard in Florida.<\/p><\/blockquote>\n<p>Many thanks, Ivan, for sharing these comparison tests! I agree with you that it&#8217;s most helpful to look closely at the\u00a0peak to valley ratios on the spectrum display rather than using the audio levels as a measure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor,\u00a0Ivan Cholakov (NO2CW), who shares the following: Thomas, there has been a lot of discussions regarding Airspy HF+ ever since it came out &#8211; heated exchanges regarding comparisons with peers, modifications and firmware updates. I took my Airspy HF+ and conducted two tests with it: Airspy HF+ vs. SDRPlay RSP-1A [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[373,433,3,43,158,304],"tags":[3724,6613,6815,3393,5391,6628,4093],"class_list":["post-31994","post","type-post","status-publish","format-standard","hentry","category-am","category-mediumwave","category-news","category-shortwave-radio","category-software-defined-radio","category-videos","tag-airspy","tag-airspy-hf","tag-airspy-hf-v-sdrplay-rsp1a","tag-hf","tag-ivan-cholakov-no2cw","tag-sdrplay-rsp1a","tag-videos"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-8k2","jetpack-related-posts":[{"id":30735,"url":"https:\/\/swling.com\/blog\/2018\/02\/video-comparing-the-sdrplay-rsp1a-and-airspy-hf-on-hf-mw\/","url_meta":{"origin":31994,"position":0},"title":"Video: Comparing the SDRplay RSP1A and Airspy HF+ on HF &#038; MW","author":"Thomas","date":"February 5, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Ivan Cholakov, who shares the following video where he compares the SDRplay RSP1A and the AirSpy HF+ software defined radios on shortwave and mediumwave: https:\/\/youtu.be\/Ff3SG_Mwt9Y Click here to watch on YouTube.","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/Ivan-RSP1a-screen-grab.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/Ivan-RSP1a-screen-grab.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/Ivan-RSP1a-screen-grab.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/Ivan-RSP1a-screen-grab.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":39021,"url":"https:\/\/swling.com\/blog\/2019\/08\/airspy-hf-vs-hf-discovery-ivans-blind-daytime-propagation-comparison\/","url_meta":{"origin":31994,"position":1},"title":"AirSpy HF+ vs. HF+ Discovery: Ivan&#8217;s blind daytime propagation comparison","author":"Thomas","date":"August 15, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Ivan NO2CW, who shares the following: I did this video where I compared the two Airspy editions [HF+ and the new HF+ Discovery] only calling them Receiver 1 and Receiver 2: https:\/\/youtu.be\/VV4nOWkxACU Click here to view on YouTube. Using the same W6LVP loop. 3\u2026","rel":"","context":"In &quot;Ham Radio&quot;","block_context":{"text":"Ham Radio","link":"https:\/\/swling.com\/blog\/category\/ham-radio\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/08\/SDRs.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/08\/SDRs.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/08\/SDRs.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":30277,"url":"https:\/\/swling.com\/blog\/2018\/01\/ivan-compares-the-airspy-hf-to-the-kiwisdr\/","url_meta":{"origin":31994,"position":2},"title":"Ivan compares the AirSpy HF+ to the KiwiSDR","author":"Thomas","date":"January 14, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor,\u00a0Ivan (NO2CW), who writes: I have been running a public Kiwisdr server for a while and yesterday decided to plug in the new Airspy HF + into the same antenna for a side to side comparison. The antenna is an 80m dipole and the test\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Airspy-waterfall.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Airspy-waterfall.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Airspy-waterfall.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Airspy-waterfall.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57725,"url":"https:\/\/swling.com\/blog\/2023\/09\/ivan-compares-the-new-rtl-sdr-v4-and-the-airspy-discovery-hf\/","url_meta":{"origin":31994,"position":3},"title":"Ivan compares the new RTL-SDR V4 and the Airspy Discovery HF+","author":"Thomas","date":"September 7, 2023","format":false,"excerpt":"Many thanks to SWLing Post contributor, Ivan (NO2CW), who writes: I ran a test of weak signals RTL-SDR v4 against Airspy HF+ Discovery. Using sdr # and a few gain adjustments particular to each of the receivers. I ran the test at approximately 9 pm local time using the same\u2026","rel":"","context":"In &quot;New Products&quot;","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/08\/RTL-SDR-V4.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/08\/RTL-SDR-V4.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/08\/RTL-SDR-V4.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/08\/RTL-SDR-V4.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/08\/RTL-SDR-V4.jpeg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2023\/08\/RTL-SDR-V4.jpeg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":46253,"url":"https:\/\/swling.com\/blog\/2020\/10\/ivan-demonstrates-the-incredible-sdr-co-channel-canceller\/","url_meta":{"origin":31994,"position":4},"title":"Ivan demonstrates the incredible SDR# Co-Channel Canceller","author":"Thomas","date":"October 31, 2020","format":false,"excerpt":"Many thanks to SWLing Post contributor, Ivan (NO2CW), who shares the following short demo of the new SDR# Co-Channel interference canceller tool: https:\/\/youtu.be\/4JSM4yfBzN8 That is simply amazing! Readers note: this powerful tool for DXing is a free upgrade for SDR# users! Click here to read more about the Co-Channel Canceller.\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/06\/AirSpy-HF-PLus-Discovery-e1591531263729.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/06\/AirSpy-HF-PLus-Discovery-e1591531263729.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/06\/AirSpy-HF-PLus-Discovery-e1591531263729.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/06\/AirSpy-HF-PLus-Discovery-e1591531263729.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":41190,"url":"https:\/\/swling.com\/blog\/2019\/12\/mike-compares-the-sdrplay-rspdx-on-mediumwave-and-longwave\/","url_meta":{"origin":31994,"position":5},"title":"Mike compares the SDRplay RSPdx on mediumwave and longwave","author":"Thomas","date":"December 15, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Mike Ladd with\u00a0SDRplay, who shares the following videos comparing the new RSPdx with a number of benchmark SDRs: SDRplay RSPdx and ELAD FDM-S2 weak NDB station https:\/\/youtu.be\/KbHz4sqJmpA SDRplay RSPdx and ELAD FDM-S2 medium wave selectivity https:\/\/youtu.be\/ah5Zu8qgvp8 SDRplay RSPdx and Airspy HF+ Discovery medium wave\u2026","rel":"","context":"In &quot;DX&quot;","block_context":{"text":"DX","link":"https:\/\/swling.com\/blog\/category\/dx\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/SDRplay-RSPdx-1-3.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/SDRplay-RSPdx-1-3.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/SDRplay-RSPdx-1-3.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/11\/SDRplay-RSPdx-1-3.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/31994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=31994"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/31994\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=31994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=31994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=31994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}